Direction finding compasses; other navigational instruments and appliances

1. Scope and Applicability

This PCR applies to foreground data packages for the manufacture of finished direction-finding compasses and other navigational instruments and appliances covered by CPC 3.0 subclass 48211. It covers mechanical, liquid-filled magnetic, gyroscopic, electromechanical, and electronic instruments when the finished product performs a direction-finding, heading, steering, or other navigation function and is delivered at the manufacturing gate.

The producer shall declare the instrument technology, navigation function, intended platform or application, applicable performance or test specification, delivered configuration, included accessories, software or firmware status when relevant, manufacturing geography, and reporting period. A mixed production dataset is allowed only when the product mix and allocation basis are disclosed.

Rangefinders, theodolites, tachymeters, levels, surveying or geophysical instruments, radar and radio-navigation apparatus, and parts or accessories sold separately are outside this PCR unless they are integral to the declared finished CPC 48211 instrument. Use-stage operation, installation on a vessel or other platform, maintenance, and end-of-life treatment are outside the default foreground manufacturing boundary; they may be connected as downstream stages in a lifecycle model when the study goal requires them.

2. Product Category Identity

Field	Value
canonical_pcr_id	pcr.metal-products-machinery-and-equipment.medical-appliances-precision-and-optical-instruments-watches-and-clocks.direction-finding-compasses-other-navigational-instruments-and-appliances
classification_refs	CPC 3.0: 48211, exact
covered_products	Finished direction-finding compasses and other navigational instruments and appliances, including applicable magnetic, gyroscopic, electromechanical, and electronic configurations
excluded_products	Rangefinders, theodolites, tachymeters, levels; surveying, hydrographic, oceanographic, hydrological, meteorological, or geophysical instruments; radar, radio-navigation-aid, or radio-remote-control apparatus; separately supplied parts and accessories; services
representative_product	One declared finished navigation instrument production mix, at plant, with its technology, function, performance/test basis, configuration, accessories, and software or firmware status identified
production_route	Receipt and preparation of product-specific materials and components; in-house component fabrication when applicable; instrument assembly; software or firmware loading when applicable; calibration and functional testing; finishing, marking, and packaging
market_state	Finished product, manufactured, at plant

3. Reference Flow

Field	Value
What	Deliver a finished direction-finding compass or other navigational instrument that performs the declared navigation function
How much	1 kg of conforming packaged product output at the manufacturing gate
How well	Meets the declared manufacturer specification and any applicable construction, performance, calibration, and test requirements for the identified instrument type
How long or cycle	One reporting-period production output; service life and use profile shall be declared separately when downstream lifecycle stages are modelled
reference_flow_link	The mass of conforming packaged product output that fulfils the declared instrument function and configuration

Field	Value
Reference amount	1 kg
Reference product flow	Direction finding compasses, other navigational instruments and appliances 186ab31c-d8f5-48e2-86d2-e415b035e0a3
Reference flow property	Mass 93a60a56-a3c8-11da-a746-0800200b9a66
Reference unit group	Units of mass 93a60a57-a4c8-11da-a746-0800200c9a66
Reference unit	kg
Required qualifiers	instrument technology; navigation function; intended platform or application; applicable performance or test specification; delivered configuration and included accessories; software or firmware status when relevant; packaged or unpackaged mass convention; manufacturing geography; reporting period; production mix

When constructing a foreground data package, every item in Required qualifiers shall be declared in dataset metadata, process notes, the reference-flow comment, the product description, or an equivalent data-package field. Missing required qualifiers make the reference-flow definition incomplete.

4. Measurement and Unit Rules

rule_id	Applies to	Required property	Required unit	Rule
reference_mass	Reference product	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Normalize the foreground inventory to 1 kg of conforming packaged output. State whether reusable transport packaging is excluded and whether single-use sales packaging is included.
production_output_mass	Conforming and nonconforming instrument outputs	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Determine mass from calibrated scales or a reconciled production count multiplied by product-specific measured unit mass; do not use nominal catalogue mass without reconciliation.
component_mass_basis	Materials, components, consumables, rejects, scrap, and packaging	Mass 93a60a56-a3c8-11da-a746-0800200b9a66	kg	Preserve product-specific mass records and convert other mass units to kg using the declared Units of mass conversion.
energy_preservation	Electricity, fuels, compressed air, and thermal services	Energy property declared by the selected flow	kWh, MJ, or the selected flow reference unit	Preserve metered units and conversion factors in raw records; normalize only after assigning the activity to the relevant process and reporting period.
test_result_traceability	Calibration and functional testing	Test-specific property	Declared test unit	Retain measured test values, acceptance limits, calibration status, test method or specification, and pass/rework/reject disposition; do not convert performance results into mass.

5. System Boundary

rule_id	Applies to	Rule	source_ids
boundary_foreground_manufacturing	Foreground manufacturing dataset	Include all producer-controlled activities from receipt and preparation of materials and components through assembly, configuration, calibration, functional testing, rework, finishing, marking, and packaging. Record products, co-products, wastes, and direct emissions that cross the foreground boundary.	eu-pef-2021-2279
boundary_upstream_links	Purchased materials, components, energy, consumables, packaging, and services	Connect each material upstream input to an appropriate upstream dataset with geography, technology, and temporal fit. Do not recursively reproduce the same CPC 48211 manufacturing stage inside its own foreground inventory.	eu-pef-2021-2279
boundary_exclusions	Excluded or unavailable processes and flows	Avoid cut-offs. Any exclusion shall be identified, justified, and disclosed with its expected material, energy, and environmental significance; an unavailable background dataset shall be reported as a data gap rather than silently omitted.	eu-pef-2021-2279
boundary_downstream_extension	Distribution, installation, use, maintenance, and end of life	These stages are outside the default foreground manufacturing dataset. When a lifecycle study includes them, declare scenario assumptions and connect separate downstream datasets; for electrical or electronic configurations, retain component, material, and hazardous-substance information needed for appropriate treatment modelling.	eu-pef-2021-2279; eu-weee-2012-19

Boundary Abstraction

Field	Value
declared_starting_condition	Product-specific purchased materials, components, subassemblies, energy carriers, consumables, and packaging arrive at the foreground manufacturing gate with declared identities, quantities, and upstream dataset references
starting_condition_role	Starting condition for producer-controlled manufacturing of the finished instrument
product_classification_scope	CPC 3.0 subclass 48211 only; adjacent surveying, geophysical, radar/radio-navigation, and separately supplied parts categories are not implicitly included
recursive_input_rule	If a purchased input is itself a finished CPC 48211 instrument, record it as a disclosed purchased product input with its own upstream dataset and do not reopen its internal manufacturing inventory in this foreground package
upstream_dataset_requirement	Use traceable upstream datasets for purchased materials, components, energy, consumables, packaging, and treatment services; record provider, geography, technology, temporal reference, and any proxy limitation
disclosure	Declare instrument technology and configuration, controlled process coverage, outsourced operations, mass convention, reporting period, site coverage, allocation, rework treatment, exclusions, data gaps, and downstream stages included or excluded

6. Process Inventory Structure

Process Map

process_id	process_name	inclusion	inclusion_condition	role	quantitative_reference
materials_components_preparation	Materials and components receipt and preparation	required	Always included	Foreground receipt, incoming inspection, kitting, cleaning, and preparation	kg of prepared materials and components transferred to assembly
in_house_component_fabrication	In-house component fabrication	conditional	Include when the reporting site machines, forms, coats, prints, solders, or otherwise fabricates components	Foreground component production	kg of accepted components transferred to instrument assembly
instrument_assembly	Instrument manufacturing and assembly	required	Always included	Foreground mechanical, fluid, electrical, and electronic assembly as applicable	kg of assembled instrument output
firmware_configuration	Software or firmware loading and configuration	conditional	Include for programmable, digital, or electronically configured instruments	Foreground configuration	kg of configured instrument output
calibration_testing	Calibration and functional testing	required	Always included; test content depends on declared instrument type and specification	Foreground calibration, environmental or functional test, and disposition	kg of conforming tested instrument output
finishing_packaging	Finishing, marking, documentation, and packaging	required	Always included	Foreground final preparation and factory-gate output	kg of conforming packaged reference product

Process: Materials and components receipt and preparation (materials_components_preparation)

Inputs

Product flows

Product-specific materials, components, and subassemblies (purchased_materials_components)

Record all purchased mechanical, magnetic, fluid-containing, optical-display, electrical, electronic, enclosure, fastener, cable, seal, and other items that enter the declared product configuration. The bill of materials shall remain product-specific.

• Selected flow: Product-specific purchased material, component, or subassembly flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Measured receipt or stock-reconciled consumption assigned to the product configuration
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_bom_materials
• Sources: eu-pef-2021-2279

Incoming preparation consumables (incoming_preparation_consumables)

Record cleaning agents, protective materials, temporary fixtures, and other consumables used to prepare inputs when they cross the foreground boundary.

• Selected flow: Site-selected preparation consumable flow
• Flow property / unit: Mass or volume / selected flow reference unit
• Amount rule: Issued, metered, or stock-reconciled quantity used for the product batch
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_consumables

Waste flows

No waste input is prescribed category-wide. Record returned or reprocessed material as an input only when it crosses the process boundary and its prior burden treatment is disclosed.

Elementary flows

No elementary input is prescribed category-wide; measured withdrawals shall be recorded when they cross the environment boundary.

Outputs

Product flows

Prepared and kitted materials and components (prepared_materials_components)

Record the mass transferred to assembly after incoming inspection and preparation.

• Selected flow: Internal prepared-material and component transfer
• Flow property / unit: Mass / kg
• Amount rule: Calculated from accepted receipts, stock changes, and preparation losses
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of prepared materials and components transferred
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_bom_materials

Waste flows

Incoming rejects and preparation losses (incoming_rejects_losses)

Record rejected components, damaged materials, removed protective items, and preparation residues by material or waste route.

• Selected flow: Site-selected waste flow by material and treatment route
• Flow property / unit: Mass / kg
• Amount rule: Weighed or stock-reconciled rejected and discarded quantity
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_waste_rejects

Elementary flows

Direct preparation emissions (preparation_direct_emissions)

Record measured or permit-calculated releases from cleaning or preparation only when they cross the environment boundary.

• Selected flow: Substance- and compartment-specific elementary flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Direct measurement or calculation from collected activity data and a documented factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_direct_emissions

Process: In-house component fabrication (in_house_component_fabrication)

Inputs

Product flows

Fabrication materials and prepared components (fabrication_material_inputs)

Record only materials and components consumed in producer-controlled machining, forming, coating, printing, joining, or electronic assembly.

• Selected flow: Product-specific material or component flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Metered, issued, or stock-reconciled consumption by fabrication route
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per kg of accepted fabricated components
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_bom_materials

Fabrication energy (fabrication_energy)

Record electricity, fuels, compressed air, and thermal services used by included fabrication equipment and allocated support systems.

• Selected flow: Geography- and technology-specific energy carrier selected by the data producer
• Flow property / unit: Energy / kWh, MJ, or selected flow reference unit
• Amount rule: Metered consumption or documented equipment-level allocation for the reporting period
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of accepted fabricated components
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_process_energy
• Sources: eu-pef-2021-2279

Waste flows

No waste input is prescribed category-wide.

Elementary flows

No elementary input is prescribed category-wide; record direct resource withdrawals when present.

Outputs

Product flows

Accepted fabricated components (accepted_fabricated_components)

Record accepted components transferred to instrument assembly.

• Selected flow: Internal fabricated-component transfer
• Flow property / unit: Mass / kg
• Amount rule: Measured accepted component mass or reconciled accepted count multiplied by measured unit mass
• Value mode: Calculated value (calculated_value)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per kg of accepted fabricated components
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_production_output

Waste flows

Fabrication scrap and treatment outputs (fabrication_scrap)

Separate recyclable metal or polymer scrap, electronic scrap, hazardous residues, and other treatment routes where material.

• Selected flow: Site-selected waste flow by material and treatment route
• Flow property / unit: Mass / kg
• Amount rule: Weighed or stock-reconciled waste transferred to each route
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per kg of accepted fabricated components
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_waste_rejects

Elementary flows

Direct fabrication emissions (fabrication_direct_emissions)

Record substance- and compartment-specific emissions from producer-controlled fabrication, coating, soldering, cleaning, or combustion.

• Selected flow: Substance- and compartment-specific elementary flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Direct measurement or calculation from collected activity data and a documented factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of accepted fabricated components
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_direct_emissions

Process: Instrument manufacturing and assembly (instrument_assembly)

Inputs

Product flows

Prepared components and subassemblies (assembly_components)

Record accepted purchased and in-house fabricated components entering the declared assembly route.

• Selected flow: Product-specific component or internal transfer flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Issued mass or reconciled component count multiplied by measured unit mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_bom_materials

Assembly consumables and filling media (assembly_consumables)

Record adhesives, solder, flux, lubricants, sealing materials, compass liquid or other filling media, process gases, and cleaning agents actually consumed by the selected technology.

• Selected flow: Product- and technology-specific consumable flow selected by the data producer
• Flow property / unit: Mass or volume / selected flow reference unit
• Amount rule: Issued, metered, or stock-reconciled consumption by production batch
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_consumables

Assembly energy (assembly_energy)

Record electricity, fuels, compressed air, and thermal services used by assembly lines and allocated support equipment.

• Selected flow: Geography- and technology-specific energy carrier selected by the data producer
• Flow property / unit: Energy / kWh, MJ, or selected flow reference unit
• Amount rule: Metered consumption or documented equipment-level allocation for the reporting period
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_process_energy
• Sources: eu-pef-2021-2279

Waste flows

No waste input is prescribed category-wide.

Elementary flows

No elementary input is prescribed category-wide; record direct resource withdrawals when present.

Outputs

Product flows

Assembled instrument awaiting configuration or test (assembled_instrument)

Record the assembled instrument transferred to configuration or calibration and testing.

• Selected flow: Internal assembled-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Measured transfer mass or reconciled accepted count multiplied by measured unit mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_production_output

Waste flows

Assembly rejects, scrap, and hazardous waste (assembly_waste)

Record rejected parts, spills, residues, contaminated wipes, electronic scrap, and other waste by material and treatment route.

• Selected flow: Site-selected waste flow by material and treatment route
• Flow property / unit: Mass / kg
• Amount rule: Weighed or stock-reconciled waste transferred to each route
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_waste_rejects

Elementary flows

Direct assembly emissions (assembly_direct_emissions)

Record substance- and compartment-specific emissions from soldering, coating, sealing, filling, cleaning, or on-site combustion.

• Selected flow: Substance- and compartment-specific elementary flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Direct measurement or calculation from collected activity data and a documented factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of assembled instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_direct_emissions

Process: Software or firmware loading and configuration (firmware_configuration)

Inputs

Product flows

Programmable assembled instruments (programmable_instruments)

Record only instruments that require software, firmware, map, parameter, or configuration loading before test.

• Selected flow: Internal assembled-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Measured transfer mass or reconciled unit count multiplied by measured unit mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of configured instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_production_output

Configuration energy (configuration_energy)

Record electricity used by programming stations and directly attributable support equipment.

• Selected flow: Geography-specific electricity flow selected by the data producer
• Flow property / unit: Energy / kWh
• Amount rule: Metered consumption or documented equipment-time allocation
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of configured instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_process_energy

Waste flows

No waste input is prescribed category-wide.

Elementary flows

No elementary input is prescribed category-wide.

Outputs

Product flows

Configured instrument (configured_instrument)

Record configured instruments and preserve the software or firmware identifier and configuration status.

• Selected flow: Internal configured-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Reconciled configured unit count multiplied by measured product-specific unit mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of configured instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_configuration_records

Waste flows

Configuration rejects and rework (configuration_rejects)

Record units sent to reconfiguration, rework, or disposal without double-counting their original material burden.

• Selected flow: Internal rework transfer or site-selected waste flow
• Flow property / unit: Mass / kg
• Amount rule: Disposition count multiplied by measured unit mass, separated by rework and disposal route
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of configured instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_configuration_records

Elementary flows

No direct elementary output is prescribed category-wide.

Process: Calibration and functional testing (calibration_testing)

Inputs

Product flows

Assembled or configured instruments for test (instruments_for_test)

Record instruments entering calibration and testing, distinguished by technology and declared test route.

• Selected flow: Internal assembled- or configured-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Measured transfer mass or reconciled unit count multiplied by measured unit mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of conforming tested instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_test_calibration

Test energy and consumables (test_energy_consumables)

Record electricity, fuels, chamber services, calibration media, test gases, and replaceable test consumables used by the declared route.

• Selected flow: Site-selected energy carrier or consumable flow
• Flow property / unit: Energy, mass, or volume / selected flow reference unit
• Amount rule: Metered, issued, or equipment-time-allocated consumption
• Value mode: Foreground record (foreground_record)
• Specificity: Technology-specific (technology_specific)
• Normalization basis: per kg of conforming tested instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_test_calibration
• Sources: iso-25862-2019; iso-8728-2024; iec-60945-2002

Waste flows

No waste input is prescribed category-wide.

Elementary flows

No elementary input is prescribed category-wide; record direct resource withdrawals used by test chambers or other equipment when present.

Outputs

Product flows

Conforming calibrated and tested instrument (tested_conforming_instrument)

Record only instruments that pass the declared manufacturer and applicable external requirements.

• Selected flow: Internal conforming tested-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Passed unit count multiplied by measured product-specific unit mass and reconciled to transfer mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of conforming tested instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_test_calibration
• Sources: iso-25862-2019; iso-8728-2024; iec-60945-2002

Waste flows

Test failures, rework, and consumed test items (test_failures_waste)

Separate rework loops, recoverable failed instruments, discarded units, and consumed test items by disposition route.

• Selected flow: Internal rework transfer or site-selected waste flow
• Flow property / unit: Mass / kg
• Amount rule: Weighed quantity or disposition count multiplied by measured unit mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: per kg of conforming tested instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_test_calibration

Elementary flows

Direct test emissions (test_direct_emissions)

Record releases from environmental chambers, test gases, fuels, or other test operations when they cross the environment boundary.

• Selected flow: Substance- and compartment-specific elementary flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Direct measurement or calculation from collected activity data and a documented factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per kg of conforming tested instrument output
• Basis kind: Process output (process_output)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_direct_emissions

Process: Finishing, marking, documentation, and packaging (finishing_packaging)

Inputs

Product flows

Conforming tested instruments (conforming_instruments_for_finishing)

Record conforming instruments entering final cleaning, marking, documentation, and packaging.

• Selected flow: Internal conforming tested-instrument transfer
• Flow property / unit: Mass / kg
• Amount rule: Measured transfer mass or reconciled unit count multiplied by measured unit mass
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_production_output

Sales packaging and documentation materials (sales_packaging_materials)

Record product-specific primary and secondary sales packaging, manuals, labels, protective inserts, and included accessories according to the declared mass convention.

• Selected flow: Material-specific packaging or documentation flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: BOM quantity or issued quantity reconciled to packaged production output
• Value mode: Foreground record (foreground_record)
• Specificity: Product-specific (product_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_packaging_output
• Sources: eu-pef-2021-2279

Finishing and packaging energy (finishing_packaging_energy)

Record energy used by cleaning, marking, printing, and packaging equipment.

• Selected flow: Geography-specific energy carrier selected by the data producer
• Flow property / unit: Energy / kWh, MJ, or selected flow reference unit
• Amount rule: Metered consumption or documented equipment-time allocation
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_process_energy

Waste flows

No waste input is prescribed category-wide.

Elementary flows

No elementary input is prescribed category-wide; record direct resource withdrawals when present.

Outputs

Product flows

Finished direction-finding compass or other navigational instrument (reference_product)

This is the conforming packaged factory-gate reference product with all required qualifiers declared.

• Selected flow: Direction finding compasses, other navigational instruments and appliances 186ab31c-d8f5-48e2-86d2-e415b035e0a3
• Flow property / unit: Mass 93a60a56-a3c8-11da-a746-0800200b9a66 / kg
• Amount rule: Exactly 1 kg after normalization from measured conforming packaged output mass
• Value mode: Calculated value (calculated_value)
• Specificity: Product-specific (product_specific)
• Normalization basis: 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_packaging_output

Waste flows

Finishing and packaging waste (finishing_packaging_waste)

Record cleaning residues, label and print waste, offcuts, damaged packaging, and rejected final units by treatment route.

• Selected flow: Site-selected waste flow by material and treatment route
• Flow property / unit: Mass / kg
• Amount rule: Weighed or stock-reconciled waste transferred to each route
• Value mode: Foreground record (foreground_record)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Collected record (collected_record)
• Collection protocol: cp_waste_rejects

Elementary flows

Direct finishing emissions (finishing_direct_emissions)

Record releases from cleaning, marking, printing, or packaging operations when they cross the environment boundary.

• Selected flow: Substance- and compartment-specific elementary flow selected by the data producer
• Flow property / unit: Mass / kg
• Amount rule: Direct measurement or calculation from collected activity data and a documented factor
• Value mode: Calculated value (calculated_value)
• Specificity: Site-specific (site_specific)
• Normalization basis: per 1 kg conforming packaged reference product
• Basis kind: Reference flow (reference_flow)
• Evidence kind: Calculated from collection (calculated_from_collection)
• Collection protocol: cp_direct_emissions

7. Allocation and Co-product Handling

rule_id	Applies to	Rule	source_ids
allocation_avoid	Shared production, utilities, buildings, test equipment, and waste systems	First avoid allocation by submetering, separate batch records, equipment-time records, or subdivision of independently measured processes.	eu-pef-2021-2279
allocation_physical	Shared processes that cannot be subdivided	Use a causal physical driver such as machine time, test-chamber time, energy metering, occupied area-time, or mass throughput when it represents resource use. Document the driver, period, denominator, and products sharing the process.	eu-pef-2021-2279
allocation_economic_fallback	Shared processes without a defensible physical relationship	Economic allocation may be used only as a documented fallback. Record prices, currency, price period, product quantities, and sensitivity to the allocation choice.	eu-pef-2021-2279
allocation_rework	Rework and repeated test loops	Keep the original material burden with the instrument batch and add only the incremental energy, consumables, emissions, and waste from each rework or repeated-test loop. Do not count the same instrument mass as a new purchased input.
allocation_scrap	Scrap and waste leaving the foreground system	Record gross scrap and waste quantities and treatment routes. Do not subtract avoided burdens or recycled-content credits inside the foreground manufacturing inventory unless the downstream study applies and documents a separate consistent recycling method.	eu-pef-2021-2279

8. Foreground Data Collection, Calculation, and Quality Rules

Data Collection Protocols

protocol_id	process_id	flow_role	record_type	raw_fields	collection_method	unit	frequency	temporal_coverage	site_scope	aggregation_rule	quality_evidence
cp_bom_materials	materials_components_preparation	Purchased and internally fabricated materials, components, and subassemblies	BOM, purchase receipt, issue record, stock ledger	part_id; material_or_component_name; supplier; quantity; unit; measured_unit_mass; batch; product_configuration; opening_stock; closing_stock; returns	Product-specific BOM reconciled with receipts, issues, returns, and stock change	kg and original record unit	Each batch; monthly reconciliation	Same representative reporting period as output	Every included manufacturing site and outsourced controlled operation	Sum net consumption by item and configuration; convert to kg; assign to product using direct records before allocation	Approved BOM revision; scale calibration; stock reconciliation; supplier traceability; variance explanation
cp_consumables	instrument_assembly	Preparation, fabrication, assembly, cleaning, filling, and finishing consumables	Issue log, meter, purchase and stock record	consumable_id; function; batch; issued_quantity; returned_quantity; opening_stock; closing_stock; unit; density_if_volume_to_mass; process_id	Metered or stock-reconciled consumption linked to process and batch	selected flow reference unit	Each batch or monthly	Same representative reporting period as output	Every included manufacturing site	Net consumption equals issues plus opening stock minus returns and closing stock; allocate only documented shared remainder	Meter calibration; stock reconciliation; SDS or product identity; allocation record
cp_process_energy	instrument_assembly	Electricity, fuels, compressed air, and thermal services	Meter, invoice, equipment log	energy_carrier; meter_id; start_reading; end_reading; unit; process_id; equipment_time; reporting_period; allocation_driver	Submetering preferred; otherwise reconcile site energy and allocate with a causal driver	kWh, MJ, or selected flow reference unit	Continuous or monthly	At least one representative production year, or justified shorter campaign	Every included manufacturing site	Net metered consumption minus excluded loads; assign by process and product with documented causal driver; normalize to reference output	Meter calibration; invoice reconciliation; excluded-load list; allocation worksheet
cp_production_output	finishing_packaging	Internal transfers, conforming output, nonconforming output, and production mix	Production and transfer log; scale record	product_id; configuration; quantity; gross_mass; packaging_mass; net_mass; pass_status; batch; process_id; timestamp	Calibrated weighing or reconciled count multiplied by measured product-specific unit mass	kg	Each batch	Same representative reporting period as inputs	Every included manufacturing site	Sum conforming output using the declared packaging convention; preserve nonconforming and rework dispositions separately	Scale calibration; count-mass reconciliation; batch release record; packaging convention
cp_waste_rejects	instrument_assembly	Rejects, scrap, residues, packaging waste, and treatment transfers	Waste scale ticket, reject log, transporter receipt	waste_id; material; hazardous_status; source_process; mass; unit; disposition; treatment_provider; batch; date	Weigh by waste stream and reconcile with reject and shipment records	kg	Each shipment and batch; monthly reconciliation	Same representative reporting period as output	Every included manufacturing site	Sum by source process, material, hazardous status, and treatment route; exclude internal rework transfers from final waste until discarded	Scale ticket; licensed treatment receipt where applicable; hazardous classification; mass-balance reconciliation
cp_direct_emissions	instrument_assembly	Direct emissions to air, water, and soil	Continuous monitor, stack or wastewater test, permit calculation	substance; compartment; concentration; flow_rate; operating_time; activity_amount; factor; factor_source; control_efficiency; process_id	Direct measurement preferred; otherwise calculate from collected activity and a documented factor	kg of substance and original measurement unit	As required by monitoring method; aggregate monthly	Same representative reporting period as output	Every included emitting source	Convert measured concentration and flow or activity times factor to mass; subtract only measured control removal; assign to process	Instrument calibration; laboratory report; permit method; factor reference; uncertainty record
cp_configuration_records	firmware_configuration	Software or firmware loading, configuration, and disposition	Configuration station log	product_id; hardware_revision; software_or_firmware_id; configuration_id; start_time; end_time; pass_status; rework_count; energy_assignment	Export controlled configuration records and reconcile to production batches	unit count, kg, and kWh when allocated	Each configured unit or batch	Same representative reporting period as output	Each included configuration station	Count unique units by final status; record repeat operations as rework; normalize assigned energy to configured output	Configuration checksum or revision; station log; batch reconciliation; disposition record
cp_test_calibration	calibration_testing	Calibration, functional or environmental testing, pass/rework/reject disposition, energy, and consumables	Test-system export, calibration certificate, chamber log	product_id; technology; test_method; specification_revision; measured_value; unit; acceptance_limit; equipment_id; calibration_status; start_time; end_time; pass_status; rework_count; energy; consumables	Export test results and reconcile to released and rejected production units	test-specific unit, unit count, kg, kWh, and consumable reference unit	Each tested unit or statistically justified batch	Same representative reporting period as output	Every included test route and outsourced controlled test	Preserve raw test values; count each unit once in final disposition; add repeated-test activity without duplicating instrument mass	Equipment calibration; method revision; acceptance record; traceable disposition; ISO/IEC or manufacturer specification when applicable
cp_packaging_output	finishing_packaging	Sales packaging, documentation, included accessories, and final packaged output	Packaging BOM, issue record, final scale record	package_id; material; item_count; unit_mass; included_accessory; document_mass; product_id; gross_packaged_mass; reusable_transport_packaging_mass	Product-specific packaging BOM reconciled with issues and final weighing	kg	Each packaging configuration and batch	Same representative reporting period as output	Every included finishing and packaging site	Sum single-use packaging and declared included items; exclude reusable transport packaging only when separately tracked and disclosed	Packaging BOM revision; scale calibration; issue reconciliation; mass convention approval

Calculation Rules

rule_id	Applies to	Formula or rule	Inputs	Output	source_ids
calc_reference_normalization	Every foreground inventory amount	normalized amount = reporting-period amount / conforming packaged output mass	Collected or calculated reporting-period amount; conforming packaged output mass from cp_production_output and cp_packaging_output	Amount per 1 kg reference product	eu-pef-2021-2279
calc_count_to_mass	Component, instrument, reject, or packaging records reported by count	mass = item count × product-specific measured mean unit mass; retain sampling plan and variability	Item count; calibrated measured unit masses; configuration identity	kg by configuration and disposition
calc_stock_reconciliation	Materials and consumables without direct metering	consumption = opening stock + receipts - closing stock - documented returns - documented transfers outside scope	Stock ledger; receipts; returns; transfers; reporting period	Net foreground consumption	eu-pef-2021-2279
calc_direct_emission	Factor-based direct emissions	emission mass = collected activity × documented emission factor × (1 - measured control efficiency); preserve original units and conversions	Activity record; factor; control efficiency; unit conversion	kg substance by compartment	eu-pef-2021-2279
calc_mass_balance	Each process and reporting-period foreground package	Compare mass inputs with product, waste, measured direct-emission, stock-change, and documented evaporation outputs; investigate and disclose residual rather than forcing closure	Material and product inputs; outputs; wastes; direct emissions; stock change	Mass-balance residual and reconciliation statement
calc_shared_resource_allocation	Shared energy, utilities, buildings, and test equipment	allocated amount = shared amount × declared causal driver for the product / sum of the same driver for all products sharing the resource	Shared total; product driver; total driver; period; product list	Allocated foreground activity	eu-pef-2021-2279
calc_rework_increment	Rework and repeated tests	Add only incremental rework energy, consumables, emissions, and waste to the original batch; instrument mass remains one continuous internal transfer	Rework log; repeated-test log; incremental resource records; final disposition	Rework-adjusted process inventory without duplicate product mass

Data Quality Requirements

requirement_id	Applies to	Requirement	Evidence
dq_identity	Reference product and product mix	Match the Tiangong UUID and CPC 48211 scope; declare all required qualifiers and exclude adjacent product classes.	Dataset metadata; product specification; classification review; reference-flow comment
dq_completeness	Foreground process inventory	Cover all known material, energy, water, product, co-product, waste, and direct-emission flows for included processes; list exclusions and data gaps explicitly.	Process map; reconciled ledgers; meter list; waste register; emission register; exclusion log
dq_temporal	Inputs, outputs, and allocation drivers	Use the same representative reporting period, normally at least 12 consecutive months or a justified complete production campaign; disclose abnormal shutdowns or start-up conditions.	Timestamped records; production calendar; period justification
dq_technology	Instrument route and test route	Data shall represent the declared magnetic, gyroscopic, electromechanical, or electronic technology and delivered configuration; mixed routes require disclosed shares.	BOM revision; route sheet; equipment list; configuration and test records
dq_geography	Manufacturing and upstream links	Identify every included site and outsourced controlled operation; upstream datasets shall disclose geography and proxy limitations.	Site list; supplier records; dataset metadata; proxy register
dq_precision	Measurements and calculated quantities	Retain instrument calibration, sampling, count-to-mass variability, factor uncertainty, and reconciliation residuals sufficient to review each material quantity.	Calibration certificates; sampling plan; raw measurements; uncertainty and reconciliation records
dq_allocation	Shared resources and multi-output processes	Record the hierarchy applied, driver, denominator, product population, period, and sensitivity when allocation is material.	Submeter records; allocation worksheet; price or physical-driver evidence; sensitivity result
dq_traceability	Product-specific BOM, configuration, test, waste, and output	Maintain a batch or reporting-period chain from purchased inputs through configuration and test disposition to final output and waste treatment.	BOM and batch records; configuration checksum; test export; waste tickets; release record
dq_review	Dataset release	An independent reviewer shall be able to reproduce normalization, mass balance, allocation, reference-flow identity, and all declared limitations from retained evidence.	Review checklist; calculation workbook; source register; versioned foreground package

9. Validation Rules

rule_id	Applies to	Rule	source_ids
validation_reference_identity	Reference flow	Confirm product flow UUID 186ab31c-d8f5-48e2-86d2-e415b035e0a3, Mass UUID 93a60a56-a3c8-11da-a746-0800200b9a66, Units of mass UUID 93a60a57-a4c8-11da-a746-0800200c9a66, and unit kg; reject a package with a different or missing identity.
validation_scope_qualifiers	Product identity	Confirm CPC 48211 scope and every required qualifier, including technology, navigation function, application, performance/test basis, configuration, software or firmware status, mass convention, geography, period, and product mix.	unsd-cpc-3-0; iso-25862-2019; iso-8728-2024; iec-60945-2002
validation_process_coverage	Process map and inventory	Confirm all required processes are present, every applicable conditional process is included, outsourced controlled operations are disclosed, and all detailed process IDs match the process map.	eu-pef-2021-2279
validation_bom_output_reconciliation	Materials, components, packaging, and output	Confirm product-specific BOM and packaging records reconcile to conforming output, rejects, wastes, stock change, and the disclosed mass-balance residual.	eu-pef-2021-2279
validation_energy_emissions	Energy and direct emissions	Confirm energy records cover included equipment and support loads and each direct emission is measured or calculated from collected activity using a documented factor; unresolved sources or units fail the affected check.	eu-pef-2021-2279
validation_test_traceability	Calibration and testing	Confirm the applicable specification or manufacturer test basis, equipment calibration status, measured result, acceptance limit, and final disposition are traceable for the declared instrument route.	iso-25862-2019; iso-8728-2024; iec-60945-2002
validation_allocation	Shared and multifunctional processes	Confirm subdivision was considered first and any remaining allocation has a reproducible causal physical driver or documented fallback with sensitivity.	eu-pef-2021-2279
validation_no_silent_cutoff	Exclusions and data gaps	Confirm exclusions, unavailable background data, and cut-offs are explicit and justified; any silent omission makes validation inconclusive.	eu-pef-2021-2279
validation_electronic_eol_disclosure	Electrical or electronic configurations when downstream end of life is modelled	Confirm component, material, and hazardous-substance information needed for treatment modelling is retained and the downstream scenario is separate from foreground manufacturing.	eu-weee-2012-19

10. Published Dataset Profile

Field	Value
dataset_role	Product-specific or disclosed production-mix foreground manufacturing dataset for a finished CPC 48211 instrument
downstream_use	secondary_dataset; background_dataset after review and publication
allowed_use	Product carbon-footprint or LCA studies that require a traceable manufacturing-stage dataset and whose product technology, configuration, geography, period, and mass convention match the declared scope
excluded_use	Direct comparison of materially different navigation technologies or performance classes without functional adjustment; use-stage, installation, maintenance, or end-of-life claims not represented by connected downstream datasets; adjacent CPC categories
required_metadata	PCR id and version; product flow UUID; CPC code; instrument technology and navigation function; platform or application; performance/test basis; configuration and included accessories; software or firmware status; packaging convention; site and geography; reporting period; product mix; process coverage; allocation; upstream dataset references
required_quality_disclosure	Primary-data share; temporal, geographical, and technological representativeness; BOM and output reconciliation; mass-balance residual; metering and allocation methods; test and calibration traceability; exclusions; data gaps; proxy datasets; uncertainty; review status
update_trigger	Change in product technology, BOM, configuration, software or firmware affecting manufacturing, performance/test route, site, supplier mix, energy mix, allocation, packaging convention, waste treatment, applicable standard, or reporting period that materially changes the inventory or qualifiers

11. Data Sources

Source id	Type	Reference	Used for
unsd-cpc-3-0	official_guidance	United Nations Statistics Division, Central Product Classification Version 3.0, CPC resources and structure, https://unstats.un.org/unsd/classifications/Econ/CPC (retrieved 2026-08-10)	CPC 48211 product-category identity and adjacent-category exclusions
eu-pef-2021-2279	official_guidance	European Commission, Commission Recommendation (EU) 2021/2279, Annex I Product Environmental Footprint Method, Official Journal L 471, https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32021H2279 (retrieved 2026-08-10)	Functional-unit structure, supply-chain boundary, foreground products/wastes, product-specific BOM and manufacturing data, allocation hierarchy, cut-off disclosure, and data-quality requirements
iso-25862-2019	standard	ISO 25862:2019, Ships and marine technology - Marine magnetic compasses, binnacles and azimuth reading devices, official abstract and status, https://www.iso.org/standard/68015.html (retrieved 2026-08-10)	Magnetic-compass product identity, technology qualifiers, construction/performance scope, and calibration/test traceability
iso-8728-2024	standard	ISO 8728:2024, Ships and marine technology - Marine gyro-compasses, official abstract and status, https://www.iso.org/standard/82079.html (retrieved 2026-08-10)	Gyro-compass product identity, construction/performance scope, and type-test traceability
iec-60945-2002	standard	IEC 60945:2002, Maritime navigation and radiocommunication equipment and systems - General requirements - Methods of testing and required test results, official publication page, https://webstore.iec.ch/en/publication/3959 (retrieved 2026-08-10)	Electronic shipborne navigation-equipment performance/test qualifier and test-record requirements
eu-weee-2012-19	official_guidance	Directive 2012/19/EU on waste electrical and electronic equipment, consolidated text, https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:02012L0019-20240408 (retrieved 2026-08-10)	Conditional disclosure of electrical/electronic components, materials, and hazardous substances for downstream treatment modelling