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).