nonoperational flying time

nonoperational attrition

accident-free flying / mishap-free flying

mishap-free flying / accident-free flying

low flying aircraft / low-flying aircraft

mean time between repairs (flying hours)

time to first overhaul (flying hours)

noncombat flying time

Total time spent flying

zone standard time (zone time) (ZST)

time to climb / climb time

time-gain control / gain time control

real time kinematic / real-time kinematic (RTK)

takeoff time (T time)

Date and time from real time clock

Real time clock date / time

anti-low-flying aircraft missile

flying boat

flying bomb

flying control officer

flying properties

flying squadron

flying wing

non-flying squadron

operational flight/ flying

unidentified flying object (UFO)

with flying colors

nap-of-the-earth (NOE) (ground-hugging / terrain masking / flying under the radar / hedgehopping)

achieve coordination in flying

flying ace goggles

flying command post

flying junction

flying torpedo