Artex Elt 110-406; Transmitter And Antenna; Transmitter Switch (On-Off) - BOMBARDIER LEARJET 40 Pilot's Manual

ARTEX ELT 110-406

The ARTEX ELT 110-406 transmits on 121.5, 243.0 and 406.025 MHz.
The ELT may be manually activated with a cockpit mounted switch or
will automatically activate during an impact. Once activated, the ELT
transmits the standard swept tone on 121.5 and 243.0 MHz. During that
time the 406 MHz transmitter turns on and an encoded digital message
is sent to the satellite. The information contained in the message in-
cludes:
• Serial number of the transmitter.
• Country code.
• Manufacturer.
• Position coordinates (optional).
The information sent to the satellite is programmed at the factory and
contains a unique number that can be used to identify the beacon. The
ELT 110-406 system consists of a transmitter, antenna, cockpit switch
and indicator light, buzzer (aural monitor), and associated airplane
wiring.

TRANSMITTER AND ANTENNA

The transmitter and antenna are installed in the airplane tail section.
Power for the transmitter is provided by an internal battery pack which
consists of 4 D size lithium manganese dioxide cells connected in series.
The ELT unit incorporates an ON-OFF switch. Because of its location,
this switch is not generally used by the crew. Access to the transmitter
is through an access cover placarded "ELT LOCATED HERE." The an-
tenna is externally mounted and is connected to the transmitter using
antenna cable.

Transmitter Switch (ON-OFF)

In the ON position, the transmitter will transmit distress signals contin-
uously. In the OFF position, the transmitter is armed to activate either
automatically (impact) or manually (remote control from the cockpit
switch). If removed from its mounting rack, the transmitter will be de-
activated.
PM-132A
Pilot's Manual
5-83