Document ID: chunk:federal_register_of_legislation:F2021C01280:reg:5:p15
Version: federal_register_of_legislation:F2021C01280
Segment Type: reg
Provision Reference: reg 5 (pt 15/26)
Character Range: 43213–46120

for feathering and unfeathering the propeller to ensure that the propeller fully feathers within the time limits specified by the aircraft manufacturer.

Intervals
       8.3 The check mentioned in subclause 8.2 must be carried out at intervals not exceeding whichever of the following happens first:
(a) every 110 hours in service;
(b) every 12 months after manufacture;
(c) the compliance times that have been published as AMD.

9 Cockpit voice recording systems

Application
       9.1 This clause applies for a cockpit voice recording system (CVRS) installed on an aircraft for compliance with CAO 20.18 (Aircraft equipment — basic operational requirements).

Testing
       9.2 Each voice channel of the CVRS must be tested in accordance with this subclause to ensure proper recording of each of the following audio inputs:
(a) for the first channel — from each microphone and headset used at the First Officer's position;
(b) for the second channel — from each microphone and headset used at the Captain's position;
(c) for the third channel — from the flight deck mounted area microphone;
(d) for the fourth channel — from each microphone and headset used at the station for the third and fourth crew positions;
(e) if the positions mentioned in paragraph (d) of this subclause are not required — from each microphone and headset used at other flight deck positions having audio selection and transmit facilities;
(f) if the positions mentioned in paragraphs (d) and (e) of this subclause are not required — from each microphone on the flight deck that is used with the passenger address system, if its signals are not recorded on another channel;
Note   The CVRS may need to be removed post-flight and replayed to objectively analyse the quality of the audio recorded on each discrete channel, and where applicable, the correct recording of the ATM data-link messages and related functionality.
       9.3The bulk erase inhibit logic of the CVRS must be tested to ensure that it is functioning properly.
       9.4 The CVRS underwater locating device (if fitted) must be tested and maintained in accordance with the manufacturer's requirements and recommendations.
       9.5 Crash sensor switches incorporated into the CVRS power feed must be tested in accordance with the manufacturer's procedures to ensure they are operating properly.

Intervals
       9.6Each of the tests mentioned in this clause must occur at intervals not exceeding:
(a) for equipment utilising analogue technology (tape based):
           (i) every 12 calendar months; or
           (ii) 2 000 hours' time-in-service;
 whichever happens first; or
(b) for equipment utilising digital technology (solid state based), every 24 calendar months.

10 Emergency exits

Application
       10.1 This clause applies to an aircraft which has an emergency exit, except when the emergency exit:
(a) is a service door; or
(b) is a normal