FAQ

Frequently Asked Questions

Search across all schemes or select one below to explore compliance questions.

EU ETS

European Union Emissions Trading System — allowances, monitoring plans, and compliance for EEA routes.

UK Emissions Trading Scheme — post-Brexit carbon compliance for aircraft operators on UK routes.

Carbon Offsetting and Reduction Scheme for International Aviation — ICAO's global carbon offset framework.

ReFuelEU Aviation — sustainable aviation fuel blending mandates and compliance requirements.