Safety
AIRCRAFT HAZARD AREA (AHA)
AHA
At a glance
Meaning of AIRCRAFT HAZARD AREA (AHA)
Used by ATC to segregate air traffic from a launch vehicle, reentry vehicle, amateur rocket, jettisoned stages, hardware, or falling debris generated by failures associated with any of these activities.
More about AIRCRAFT HAZARD AREA (AHA)
Used by ATC to segregate air traffic from a launch vehicle, reentry vehicle, amateur rocket, jettisoned stages, hardware, or falling debris generated by failures associated with any of these activities. An AHA is designated via NOTAM as either a TFR or stationary ALTRV. Unless otherwise specified, the vertical limits of an AHA are from the surface to unlimited.