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Military Aircraft: Helicopters

Question for Ministry of Defence

UIN 4325, tabled on 16 January 2020

To ask the Secretary of State for Defence, what estimate he has made of the maintenance costs per annum of the (a) AgustaWestland Apache AH1, (b) AgustaWestland AW159 Wildcat, (c) Eurocopter AS365 Dauphin II and (d) Westland Gazelle.

Answered on

21 January 2020

The average per hour and per annum maintenance costs are given below:





Cost per annum




Cost per hour




* Numbers are rounded and to the nearest hour.

1Apache and Wildcat figures are based on actual figures from financial year 2018/19.

2 Gazelle figures are the annualised cost for the period 1 April 2019 to March 2025 (planned out of service date).

The Dauphin II aircraft is maintained via a civilian contract, on an availability basis, with maintenance cost per flying hour/per annum managed by the contractor. The Ministry of Defence does not therefore hold figures relating to that platform.

Figures are based on estimates and are not official statistics produced by Defence Statistics.

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