ATK
n. C / Un. Stands for Available Tonne Kilometres. A way to measure how much cargo or how many passengers an airline can carry over a certain distance.
n. Abbreviation for Available Tonne Kilometres. A metric representing the total transport capacity of an airline, calculated by multiplying the payload capacity in tonnes by the distance flown.
The airline increased its ATK by adding larger planes to the fleet.
Industry analysts use ATK to compare the efficiency and capacity growth of different international carriers.
Despite a reduction in the total number of flights, the carrier maintained its ATK by deploying high-capacity wide-body aircraft on its most profitable long-haul routes.
Commonly used in the plural form when comparing data across different time periods or airlines.