pilotless aircraft unit
підрозділ безпілотних літальних апаратів
pilotless aircraft surveillance system
multirole pilotless combat aircraft
ground-to-air pilotless aircraft
pilotless aircraft research division
pilotless aircraft research station
gear reduction unit / gear-reduction unit
position and navigation unit / position navigation unit (PNU)
pinch (a unit) out of a large unit
training aircraft (tng acft) / trainer aircraft
aircraft accident (flight accident; aircraft mishap)
aircraft mishap / flight accident, aircraft accident
aircraft modernization / aircraft upgrade
aircraft track and balance (adjusting balance of aircraft)
aircraft upgrade / aircraft modernization
aircraft weapons / aircraft armaments
flight accident / aircraft accident, aircraft mishap