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 rules121.07.21 Minimum flight altitudes |
| (1) | An air service operator shall establish minimum flight altitudes and the methods to determine such minimum flight altitudes for all route segments to be flown which provide the required terrain clearance, taking into account the operating limitations referred to in Subpart 8 of this Part and the minimum altitudes prescribed in regulation 91.06.32. |
| (2) | The operator shall take into account the following factors when establishing minimum flight altitudes— |
| (a) | the accuracy with which the position of the aeroplane can be determined; |
| (b) | the probable inaccuracies in the indications of the altimeters used; |
| (c) | the characteristics of the terrain along the routes or in the areas where operations are to be conducted; |
| (d) | the probability of encountering unfavourable meteorological conditions; and |
| (e) | possible inaccuracies in aeronautical charts. |
| (3) | In complying with the provisions of subregulation (2), the operator shall give due consideration to— |
| (a) | corrections for temperature and pressure variations from standard values; |
| (b) | the air traffic control requirements; and |
| (c) | any contingencies which may occur along the planned route. |