Written Question·Ministry of Defence·UIN 88472

F-35 Aircraft

Tabled: 5 November 2025
Answered: 17 November 2025

Question

Ben Obese-Jecty

Conservative — Huntingdon

To ask the Secretary of State for Defence, with reference to paragraph 11 of the Fifty-First Report of the Committee of Public Accounts, entitled The UK’s F-35 stealth fighter capability, HC 1232, for what reason the UK F-35 fleet achieved two-fifths of t

Answer

Luke Pollard
The Ministry of Defence (MOD) does not release availability data for operational security reasons; the National Audit Office (NAO) reporting of this metric was also appropriately redacted for this reason. The standard availability metric used by the NAO a...
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