non-radar separation

radar cross-section / radar cross section (RCS); radar signature; radar crossover

non-interference; non-intervention

non-mandated non-governmental organization

non-directional beacon (NDB) / non directional beacon

TRML-4D radar (нім. Telefunken Radar Mobil Luftraumüberwachung / Telefunken mobile airspace surveilance radar)

non-imaging portable radar sensor

non-linear radar

altitude separation

area of separation (=buffer zone)

buffer zone / area of separation

flight 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

traffic separation

separation

separation allowance

separation center