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Unless otherwise directed by ATC, compliance with the semi-circular rule is required for all flights operating above…

  • A

    1500 ft AGL

  • B

    2000 ft AGL

  • C

    1000 ft AGL

  • D

    3000 ft AGL

SA CIVIL AVIATION REGULATIONS
PART 91: GENERAL AVIATION AND OPERATING FLIGHT RULES
91.06.33 Semi-circular rule

(1) Unless otherwise directed by an ATSU, the PIC of an aircraft in level flight shall fly at an altitude or flight level, as appropriate, selected according to magnetic track from the table as prescribed in Document SA-CATS 91 (…).

(2) Aircraft flown in accordance with VFR at a height of less than 1500 feet above the surface, shall not be required to comply with the provisions of sub-regulation (1), unless if otherwise directed by an ATSU.

(3) A flight conducted from flight level 200 and above, shall be flown in compliance with IFR.


Regarding VFR flights, the semi-circular rule:

  • does not apply below 1500 feet AGL.
  • applies above 1500 feet AGL.

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