діапазон режимів горизонтального польоту
flight envelope / performance envelope / service envelope
authorized flight envelope
basic flight envelope
carried flight envelope
cleared flight envelope
envelope clearance flight
extensive flight envelope
ferry flight envelope
flight altitude envelope
flight envelope boundary
flight envelope clearance
flight envelope protection
flight management guidance envelope computer
flight path angle envelope
flight path envelope
flight-envelope limit
full-flight envelope protection
limit flight envelope
limited-envelope flight control system
limited-envelope flight test
normal flight envelope
operating flight envelope
operational flight envelope
peripheral flight envelope
permissible flight envelope
recommended flight envelope
restrictive flight envelope
safe-flight envelope
service flight envelope
Sensor Assisted Flight Envelope (SAFE technology)
depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance
surveyor's level (surveying level, tbc)