Calculation changes
Flight: DEFRA - July 2024 Update
Notable Changes
DEFRA has updated the emission factors for greenhouse gas conversion. You can access the updated methodology here: 2024 Greenhouse Gas Conversion Factors Methodology.
Here is Conversion factors 2024: full set (for advanced users).
What's New?
Flight Classifications
For flights starting or finishing in the UK:
- Domestic: Both starts and finishes in the UK.
- Short-haul: Under 3700 km, when either origin or destination is in the UK.
- Long-haul: Above 3700 km, when either origin or destination is in the UK.
- International: When either origin or destination is in the UK.
Updated Logic
All other aspects of the logic remain the same as in previous versions.
Updated Factors
- New emission factors for averaged aircraft type were published.
- Aircraft-specific information on emission factors will be available in the future (2025).