Question to the Department for Transport:

To ask the Secretary of State for Transport, with reference to the Answer of 9 January 2026 to Question 100955, what programmes the Civil Aviation Authority is engaged in to support airspace modernisation and sustainable aviation fuel take-up in line with the 2050 Net Zero target; and what the financial cost of those programmes is to the public purse.

The CAA are involved in a variety of Airspace Modernisation programmes, including administering the Airspace Modernisation Support Fund (ASF). The ASF is funded through the UK State overflight charging mechanism for commercial air transport.

DfT is also supporting the CAA’s Hydrogen in Aviation Challenge until at least March 2027 to help innovative companies work with the regulator on this emerging technology.