nati - obst
- National Aeronautics and Space Administration
- native asphalt
- native bitumen
- native material
- native soil
- NATO airfield
- natural bitumen
- natural cement
- natural concealment
- natural cover
- natural drainage
- natural ground airfield
- natural moisture content
- natural slope
- natural water content
- navaids
- naval air base
- naval air base complex
- naval air facility
- naval air station
- naval auxiliary air station
- naval missile facility
- naval seaplane base
- navigation and astrodome building
- navigational aids
- navigator training wing base
- Navy airfield
- NBC
- near miss
- nearest landing field
- needle
- negative suction wave
- neon' aerodrome beacon
- neoprene flexible tank
- nest
- net fuel
- net volume
- net weight
- Newfoundland Base Command
- night marking of obstructions
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