assigned life (of an aircraft in flying hours)

призначений ресурс (ЛА; вимірюється в льотних годинах)

flying hours / logged flight hours

logged flight hours / flying hours

low flying aircraft / low-flying aircraft

assigned materiel (assigned equipment)

airframe flying hours

mean time between repairs (flying hours)

time to first overhaul (flying hours)

total airframe flying hours

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

hours flown in combat

cryptanalyst hours

maintenance by flight hours

engine logged hours

helicopter logged hours

sack duty (hours, time)

in the hours of daylight

Watt hours (Wh) rating

man hours of duty

anti-low-flying aircraft missile

aircraft flying

organization of aircraft flying

aircraft flying wreck rate

assigned area of operations (AO)

assigned flight level

assigned forces

assigned mission

NATO assigned forces