rotary-wing aircraft [aviation]
вертоліт (вертольоти); вертолітна авіація
вертоліт (вертольоти); вертолітна авіація
fixed wing aircraft and helicopters
variable-geometry wing aircraft
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