Document ID: chunk:federal_register_of_legislation:F2025C00187:reg:8:p10
Version: federal_register_of_legislation:F2025C00187
Segment Type: reg
Provision Reference: reg 8 (pt 10/11)
Character Range: 336177–338914

1 FDR — the inoperative recorder has not been inoperative for more than 21 days; and
(c) for an aircraft that is required to be fitted with 1 CVR and 1 FDR:
           (i) the inoperative recorder has not been inoperative for more than 21 days; and
 (ii) the other recorder is operative; and
(d) for an aircraft that is fitted with 1 combination recorder — the inoperative recorder has not have been inoperative for more than 3 days; and
(e) for an aircraft that is fitted with more than 1 combination recorders:
           (i) the inoperative combination recorder has not been inoperative for more than 21 days; and
 (ii) the other combination recorder is operative.

26.39 Data link recorder
        RESERVED
Note   No requirements are currently prescribed. This section has been reserved to preserve the MOS structure for any future provisions that would be appropriate following consultation.

Division 26.10 Aircraft interior communication systems

26.40 Flight crew intercommunications system — VFR flights
       (1) This section applies to an aircraft (a relevant aircraft):
(a) that is flown under the VFR; and
(b) whose flight is required by or under the civil aviation legislation or the aircraft's AFM to be conducted by at least 2 pilots; and
(c) whose cockpit noise levels at any stage of the flight prevent the pilots from communicating with each other in speech at the level of normal conversation.
       (2) A relevant aircraft must be fitted with a flight crew intercommunications system which, for each flight crew member,               includes a headset and microphone that are not of the hand-held type.

26.41 Flight crew intercommunications system — IFR flights
       (1) This section applies to an aircraft (a relevant aircraft) that is flown under the IFR.
       (2) When a relevant aircraft begins a flight with 1 pilot, as permitted by or under the civil aviation legislation or the AFM, it must be fitted with or carry:
(a) 2 headsets and microphones that are not of a hand-held type; or
(b) 1 headset and microphone that is not of a hand-held type, and 1 hand-held microphone with a loudspeaker.
       (3) When a relevant aircraft begins a flight with at least 2 pilots, as required by or under the civil aviation legislation or the AFM, it must be fitted with:
(a) 3 headsets and 3 microphones that are not of a hand-held type; or
(b) 2 headsets and microphones that are not of a hand-held type, and 1 hand-held microphone with a loudspeaker.

26.42 Public-address system
       (1) This section applies to an aircraft (a relevant aircraft) that has:
(a) a maximum operational passenger seating configuration of 20 or more; and
(b) at least 1 passenger on board for a flight.
       (2) When a relevant