CHAPTER 23
PAGE 3
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
23-10-00 SPEECH COMMUNICATION
The EXTRA 300LT can be equipped with various
communication systems. Refer to the Equipment List of the
Pilot’ Operating Handbook for identification of the units
installed. Also refer to the applicable vendor documents for
suitable maintenance information.
Independent from the equipment installed, the electric
hardware such as switches, circuit breakers, sockets and
wiring is the same.
The control sticks and power levers for pilot and copilot
feature PTT switches. The sockets for connecting the headsets
are located on the right side of the respective cockpit. The
related wiring is generally fastened to the sticks, levers,
torque tube or steel tubes with cable straps. The wiring can
be easily traced from the switches and sockets to the
instrument panel, where it is not guided through cable ducts.
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