Explorer
Emission Factor
Flight outside UK first class - without RF effect
0.2579kgCO2e/passenger-km
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Emission intensity of international first class flight to/from non-UK countries excluding fuel combustion and radiative forcing (RF) effect reflecting impact of contrails and high-altitude release of GHGs but not upstream fuel emissions. 8% distance uplift applied for indirect nature of flights. Retrieved from the Conversion Factors 2025: flat file published by the UK BEIS/Defra at the source URL.
| Property | Value |
|---|---|
| Name | Flight outside UK first class - without RF effect |
| Sector | Transport |
| Category | Air Travel |
| Source | BEIS |
| Source Dataset | Greenhouse gas reporting: conversion factors 2025 |
| Region | |
Unit Type | |
| Year | 2025 |
| Year Released | 2025 |
| Emission Factor |
|
LCA Activity | fuel_combustion |
CO2e Calculation Origin | Source |
CO2e Calculation Method | AR5 |
Supported CO2e Calculation Method | AR4, AR5, AR6 |
| Data Versioning |
|
API Reference
Activity ID
passenger_flight-route_type_outside_uk-aircraft_type_na-distance_na-class_first-rf_excluded-distance_uplift_included
UUID
5cc062bc-e192-47d3-a1ca-75e383d0045e
Code Snippet
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