Airline operations
This includes British Airways Plc and BA CityFlyer Ltd.
Available seat kilometres (ASK)
The number of seats available for sale multiplied by the distance flown.
Available tonne kilometres (ATK)
The number of tonnes of capacity available for the carriage of revenue load (passenger and cargo) multiplied by the distance flown.
Revenue passenger kilometres (RPK)
The number of revenue passengers carried multiplied by the distance flown.
Cargo tonne kilometres (CTK)
The number of revenue tonnes of cargo (freight and mail) carried multiplied by the distance flown.
Revenue tonne kilometres (RTK)
The revenue load in tonnes multiplied by the distance flown.
Load factor
The percentage relationship of revenue load carried to capacity available.
Passenger load factor
RPK expressed as a percentage of ASK.
Overall load factor
RTK expressed as a percentage of ATK.
Break-even load factor
The load factor required to equate total traffic revenue with operating costs.
Frequent flyer RPKs as a percentage of total RPKs
The amount of frequent flyer RPKs expressed as a percentage is of total RPKs indicative of the proportion of total passenger traffic that is represented by redemption of frequent flyer points in the year.
Revenue per RPK
Passenger revenue from Airline scheduled operations divided by Airline scheduled RPK.
Total traffic revenue per RTK
Revenue from total traffic (scheduled and non-scheduled) divided by RTK.
Total traffic revenue per ATK
Revenue from total traffic (scheduled and non-scheduled) divided by ATK.
Punctuality
The industry's standard, measured as the percentage of flights departing within 15 minutes of schedule.
Regularity
The percentage of flights completed to flights scheduled, excluding flights cancelled for commercial reasons.
Unduplicated route kilometers
All scheduled flight stages counted once, regardless of frequency or direction.
Interest cover
The number of times profit before taxation and net interest expense and interest income covers the net interest expense and interest income.
Dividend cover
The number of times profit for the year covers the dividends paid and proposed.
Operating margin
Operating profit/(loss) as a percentage of revenue.
Net debt
Loans, finance leases and hire purchase arrangements, net of other current interest bearing deposits and cash and cash equivalents less overdrafts.
Net debt/total capital ratio (including operating leases)
Net debt as a ratio of total capital, adjusted to include the discounted value of future operating lease commitments.
Total capital
Total equity plus net debt.
Net debt/total capital ratio
Net debt as a ratio of total capital.
Manpower equivalent
Number of employees adjusted for part-time workers, overtime and contractors.
EBITDAR
Earnings before interest, tax, depreciation, amortisation and rentals.
n/a
Not applicable.




