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Prohibited, restricted and danger areas

AIP ENR 1.4

The Office of Airspace Regulation (OAR) at CASA designates volumes of airspace as a prohibited, restricted or danger area as follows:

  • A prohibited area (PA) is designated for reasons of military necessity to prohibit the flight of aircraft over the area. There are currently no designated prohibited areas.
  • A restricted area (RA) is designated in the interests of public safety, security or for the protection of the environment to restrict the flight of aircraft over the area to aircraft flown in accordance with specified conditions. All permanent restricted areas are given a conditional status which indicates the likelihood of obtaining a clearance through the area. Refer to ERSA and NOTAMs for details. Examples include weapons firing, military flying, communication facilities emitting high-intensity radiated fields, explosive ordnance demolition, aerobatic displays, and police activities.
  • A danger area (DA) is designated where an activity within or over the area is a potential danger to aircraft flying over the area. While no approval is required to fly through a DA, pilots are encouraged to be particularly vigilant if electing to do so. Examples include: flying training, gliding competitions, parachuting activities, mine blasting, high velocity plume rise and small arms firing.

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