Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 121 : Air Transport Operations - Carriage on Aeroplanes of more than 19 Passengers or CargoSubpart 7 : Flight OperationsDivision Two : Dispatch and flight release rules121.07.28 Inertial navigation systems and inertial reference systems |
No air service operator shall use inertial navigation or reference systems (INS/IRS) unless the operator—
(a) | is authorised to do so in its operations specifications; and |
(b) | complies with the INS/IRS requirements prescribed in Document SA-CAT 121. |