XML 83 R59.htm IDEA: XBRL DOCUMENT v3.23.2
Basis of preparation and significant accounting policies - Property, plant and equipment (Details)
 12 Months Ended
Mar. 31, 2023
aircraft
Disclosure of detailed information about property, plant and equipment [line items]  
Number of aircraft operated 537
Hangar and buildings | Minimum  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 3.33%
Hangar and buildings | Maximum  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 5.00%
Plant and equipment (excluding aircraft) | Minimum  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 20.00%
Plant and equipment (excluding aircraft) | Maximum  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 33.30%
Fixtures and Fittings  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 20.00%
Motor vehicles  
Disclosure of detailed information about property, plant and equipment [line items]  
Rate of Depreciation 33.30%
Aircraft  
Disclosure of detailed information about property, plant and equipment [line items]  
Useful life, property, plant and equipment 23 years
Residual value as percentage of current market value 15.00%
Aircraft | Minimum  
Disclosure of detailed information about property, plant and equipment [line items]  
Interval between maintenance checks 8 years
Aircraft | Maximum  
Disclosure of detailed information about property, plant and equipment [line items]  
Interval between maintenance checks 12 years
Airbus A320  
Disclosure of detailed information about property, plant and equipment [line items]  
Number of leased aircraft operated 28
Boeing 737 Aircraft  
Disclosure of detailed information about property, plant and equipment [line items]  
Number of aircraft owned 507
Useful life, property, plant and equipment 23 years
Residual value as percentage of current market value 15.00%
Boeing 737 Aircraft | Minimum  
Disclosure of detailed information about property, plant and equipment [line items]  
Interval between maintenance checks 8 years
Boeing 737 Aircraft | Maximum  
Disclosure of detailed information about property, plant and equipment [line items]  
Interval between maintenance checks 12 years
Boeing 737-8200s  
Disclosure of detailed information about property, plant and equipment [line items]  
Number of aircraft owned 98