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 5 : Aeroplane Instruments and Equipment121.05.9 Flight crew interphone system |
| (1) | An air service operator shall not operate an aeroplane with a MCM exceeding 15 000 kilograms and a maximum approved passenger seating configuration of more than 19 seats, unless such aeroplane is equipped with a flight crew interphone system. |
| (2) | The flight crew interphone system shall— |
| (a) | operate independently of the public address system except for handsets, microphones, selector switches and signalling devices; |
| (b) | provide a means of two-way communication between the flight deck crew compartment and— |
| (i) | each passenger compartment; |
| (ii) | each galley located on another level than on a passenger deck level; and |
| (iii) | each isolated flight crew compartment; |
| (c) | be readily accessible for use from each of the required flight deck crew stations on the flight deck; |
| (d) | be readily accessible for use at the required cabin crew member stations close to each separate or pair of floor-level emergency exits; |
| (e) | have an alerting system incorporating aural or visual signals for use by flight deck crew members to alert the cabin crew and for use by cabin crew members to alert the flight deck crew; |
| (f) | have a means of the recipient of a call to determine whether it is a normal call or an emergency call; and |
| (g) | provide on the ground a means of two-way communication between ground personnel and at least two flight deck crew members. |