Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 91 : General Aviation and Operating Flight RulesSubpart 7 : Flight Operations91.07.11 Mass and balance |
| (1) | The owner or operator of an aircraft shall ensure that, during any phase of the operation, the loading, mass and the centre of gravity of the aircraft complies with the limitations specified in the approved AFM referred to in regulation 91.03.2 or the operations manual if the limitations therein are more restrictive. |
| (2) | The owner or operator shall establish the mass and the centre of gravity of the aircraft by actual weighing prior to initial entry into operation and thereafter at intervals of five years. |
| (3) | The accumulated effects of modifications and repairs on the mass and balance of the aircraft, shall be accounted for and properly documented by the owner or operator. |
| (4) | The aircraft shall be weighed in accordance with the provisions of subregulation (2), if the effect of modifications on the mass and balance is not accurately known. |
| (5) | The owner or operator shall determine the mass of all operating items and flight crew members included in the dry operating mass of the aircraft, by weighing or by using the appropriate standard mass as prescribed in Document SA-CATS 91. |
| (6) | The influence of the mass of the operating items and flight crew members referred to in subregulation (5) on the centre of gravity of the aircraft shall be determined by the owner or operator of such aircraft. |
| (7) | The owner or operator shall establish the mass of the traffic load, including any ballast, by actual weighing, or determine the mass of the traffic load in accordance with the appropriate standard passenger and baggage mass as prescribed in Document SA-CATS 91. |
| (8) | The owner or operator shall determine the mass of the fuel load by using the actual specific gravity or, if approved by the Director, a standard specific gravity. |