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Basis of preparation and significant accounting policies (Tables)
12 Months Ended
Mar. 31, 2022
Basis of preparation and significant accounting policies  
Summary of annual depreciation rates

    

Rate of

 

Depreciation

Hangar and buildings

3.33 to 5

%

Plant and equipment (excluding aircraft)

20 to 33.3

%

Fixtures and fittings

20

%

Motor vehicles

33.3

%

Schedule of estimates of useful lives and residual values

    

Number of Owned Aircraft

    

    

Aircraft Type

  

at March 31, 2022

  

Useful Life

  

Residual Value

Boeing 737s *

  

471 (a)

23 years from date of manufacture

  

15% of current market value of new aircraft, determined periodically

*Including 61 new B737-8200s

(a)The Group operated 500 aircraft as of March 31, 2022, of which 29 were leased Airbus A320 aircraft.