Originally Posted by Spadhampton
...We are forced to wear the David Clark headset?
No, there is no obligation to wear the headsets that are supplied with the aircraft. The David Clark noise cancelling headsets (their top of the line model) connect to a David Clark fitting that is installed behind each pilot seat, where the standard headset fitting is on the legacy aircraft. Incorporated into that fitting are two standard phone receptacles that allow a conventional headset to be used. The receptacle design is a mechanical interference fit, in other words, either the David Clark noise-cancelling headset can be connected, or a standard two-plug headset can be connected, but it is not possible to connect both at the same time.
We elected to provide the two noise-cancelling headsets as standard equipment on every plane for occupational health and safety reasons. The flight compartment of a Twin Otter can be quite noisy at takeoff power, and the superior noise attenuation of these headsets (combined with the noise cancelling capability) protects the pilots from exposure to excessive sound pressure levels.
Originally Posted by Spadhampton
...We don't need "technical approval". We don't care about warranties and we don't need Approved Data, Supplemental Type Certificate or anything from the FAA. We have our own engineering.
Uh, just out of curiosity... who is 'We'?
