appr - audi
- appreciation
- approach
- approach (pattern) leg
- approach (pattern) leg
- approach angle correction
- approach angle indicator
- approach area
- approach area hazard
- approach azimuth
- approach azimuth antenna
- approach azimuth guidance
- approach beacon
- approach beam
- approach ceiling
- approach chart
- approach clearance
- approach computer
- approach control
- approach control point
- approach control radar
- approach control service
- approach control tower
- approach control unit
- approach controller
- approach course
- approach elevation antenna
- approach end
- approach facilities
- approach final
- approach fix
- approach flow
- approach funnel
- approach glide
- approach glide slope
- approach heading
- approach height
- approach idle
- approach information
- approach landing
- approach light beacon
