Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 135 : Air Transport Operations - Carriage of less than 20 passengers or cargoSubpart 5 : Aeroplane Instruments and Equipment135.05.4 Altitude alerting system |
The operator of a large turbine-engine aeroplane shall not operate the aeroplane unless such aeroplane is equipped with an altitude alerting system capable of—
| (a) | alerting the flight deck crew members upon approaching preselected altitude in either ascent or descent in sufficient time to establish level flight at such preselected altitude; and |
| (b) | alerting the flight deck crew members when deviating above or below a preselected altitude by at least an aural signal. |