noun
cruising capacity; range
Technical term for the distance a ship or aircraft can travel without refueling.
この旅客機の航続力は約1万キロです。
This airliner has a cruising range of about 10,000 kilometers.
航続距離 is a more common synonym for cruising range or flight range, while 航続力 emphasizes the capability or capacity aspect.
Compound of 航続 (kōzoku, 'cruising') and 力 (ryoku, 'power' or 'capacity'). The exact historical derivation is uncertain; the spelling is conventionally associated with the meaning of cruising endurance.