Civil Aviation Act, 2009 (Act No. 13 of 2009)RegulationsCivil Aviation Regulations, 2011Part 127 : Commercial Helicopter Operations: Passengers Cargo and MailSubpart 5 : Helicopter Instruments and Equipment127.05.6 Crew interphone system |
| (1) | The operator of a helicopter with a maximum approved passenger seating configuration of more than 19 seats, shall not operate the helicopter unless such helicopter is equipped with a crew interphone system. |
| (2) | The crew interphone system shall— |
| (a) | operate independently of the public address system referred to in regulation 127.05.7 except for handsets, microphones, selector switches and signalling devices; |
| (b) | provide a means of two-way communication between the flight deck and each passenger compartment; |
| (c) | be readily accessible for use from each of the required crew stations on the flight deck; |
| (d) | be readily accessible for use at the required cabin crew stations close to each emergency exit; |
| (e) | have an alerting system incorporating aural or visual signals for use by flight crew members to alert the cabin crew and for use by cabin crew to alert the flight 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 one flight crew member, if the design of the helicopter requires such interphone system. |