ешелон (висота польоту на повітряних трасах, що встановлюється з метою безпеки)
altitude separation
area of separation (=buffer zone)
buffer zone / area of separation
forcible separation
separation losses
separation of belligerents
separation of forces
separation zone
line of separation
Zone of Separation (ZOS)
military authority assumes responsibility for separation of aircraft (MARSA)
unwanted separation sensing strap
flow with preserved pattern of separation
surface of separation
boundary layer separation
flow separation
lateral separation
longitudinal separation
separation point
vertical separation
non-radar separation
traffic separation
separation
separation allowance
separation center
separation charge
separation command
separation from contact
separation of aircraft in formation
separation program(me) number
separation qualification record
separation reconnaissance