flying hour rate

flying hour rate

[¦flī·iŋ ¦au̇r ′rāt] (aerospace engineering) utilization rate

utilization rate

i. As it pertains to combat aircraft, it means the average number of sorties, hours flown, or hours to be flown per aircraft per day or month. More commonly, it is the average number of hours per aircraft per month. Also known as a flying hour rate.
ii. The number of hours per day or year a commercial, trainer, or transport aircraft is used.