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 Equipment127.05.7 Public address system |
| (1) | The operator of a helicopter with a maximum approved passenger seating configuration of more than nine seats, shall not operate the helicopter unless such helicopter is equipped with a public address system. |
| (2) | The public address system shall— |
| (a) | operate independently of the interphone systems referred to in regulations 127.05.5 and 127 .05.6, except for handsets, microphones, selector switches and signalling devices; |
| (b) | be readily accessible for immediate use from each required flight crew member station; |
| (c) | be readily accessible for use from at least one cabin crew station in the cabin; |
| (d) | in the case of a public address system microphone intended for cabin crew use, be positioned adjacent to a cabin crew seat located near each required emergency exit in the passenger compartment; |
| (e) | be capable of operation within 10 seconds by a cabin crew member at each of those stations in the compartment from which the use of such public address system is accessible; |
| (f) | be audible and intelligible in all phases of flight at all passenger seats, toilets and cabin crew seats and stations; |
| (g) | be powered continuously during normal operation; and |
| (h) | provide reliable operation for at least 10 minutes, following a total failure of the normal electrical generating system. |