91.135 Mandatory broadcast zones

• (a) Except as provided in paragraphs (b) and (c), a pilot must not operate an aircraft within a mandatory broadcast zone designated under Part 71 unless that pilot--
  • (1) makes the following broadcasts on the radio frequency assigned to the mandatory broadcast zone:
    • (i) at entry - the aircraft callsign, position and altitude, and the pilot's intentions for flight within the mandatory broadcast zone:
    • (ii) when joining the aerodrome traffic circuit of an aerodrome within the mandatory broadcast zone - the aircraft callsign, position and altitude, and the pilot's intentions:
    • (iii) before entering a runway for take-off from an aerodrome within the mandatory broadcast zone - the aircraft callsign, the runway to be used for take-off, and the pilot's intentions for flight within the mandatory broadcast zone after take-off; and
    • (iv) at any other time at least at the intervals prescribed for the mandatory broadcast zone - the aircraft callsign, position and altitude, and the pilot's intentions for flight within the mandatory broadcast zone; and
  • (2) maintains a listening watch on the radio frequency assigned to the mandatory broadcast zone; and
  • (3) activates, if equipped, the aircraft's landing lights or anti-collision lights.
• (b) Pilots of aircraft in formation may operate within a mandatory broadcast zone without complying with paragraphs (a)(1) and (a)(2), but only if--
  • (1) all the pilots of the aircraft in formation comply with paragraph (a)(3); and
  • (2) the pilot of the lead aircraft complies with paragraphs (a)(1) and (a)(2).
• (c) A pilot-in-command of an aircraft without an operable radio may operate within a mandatory broadcast zone for the purpose of enabling repairs to be made to that radio, but only if--
  • (1) the pilot-in command complies with paragraph (a)(3); and
  • (2) if practicable, the pilot-in-command arranges for another person to make the broadcasts required in paragraph (a)(1) on the pilot's behalf.
• (d) The pilot-in-command of a parachute-drop aircraft intending to drop a parachutist within or into a mandatory broadcast zone must make a broadcast on the radio frequency assigned to the mandatory broadcast zone stating the aircraft callsign, position, altitude, and the intentions of the person making the parachute descent before authorising that person to exit the aircraft to make the parachute descent.