Pilot’s Manual Learjet 60
7-34 PM-123
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FLIGHT PHONES
Flight phones are available. One phone is located in the cockpit and the
other installed in the passenger compartment. The cabin phone may be
a remote phone or wired directly to the phone base. They are fully du-
plexed (that is, they can receive and transmit simultaneously). When
not used as a telephone, they can serve as an intercom system between
the cabin and cockpit. Different models may be selected and their use
and functionality are found in the appropriate operator’s guide.
Flight phones are designed for airborne telephone service and can be
operated from the cockpit or the cabin using the appropriate control
units. The flight phones operate in the Air/Ground Radiotelephone
Automated Service (AGRAS) system. The flight phones may receive
calls from the ground when they are placed to the AGRAS Credit Card
Number or the QM number. The AGRAS Credit Card Number is in-
stalled by the user from the control units while the QM number is shop
installed. When properly coded into the flight phone, AGRAS provides
for the direct-dial call placement completely analogous to the business
office phone. The AGRAS system or QM number does not apply to the
Iridium SATCOM system.
Power to the flight phones is 28 VDC through the FLITE FONE circuit
breaker on the pilot’s circuit breaker panel. The amperage of the circuit
breaker varies with model and equipment: 7.5-amp for UHF Flitefone
VI with FAX, 5.0-amp for UHF Flitefone VI without voice privacy or
FAX, 5.0-amp for Jetfone with or without FAX, 10.0-amp for Flitefone
800 with or without FAX or 10.0 amp for the Magnastar C-2000 Digital
Airborne Telephone System with or without FAX.
IRIDIUM SATCOM SYSTEM (OPTIONAL)
The Iridium SATCOM system consists of single or dual channel
transceiver, wired or wireless handsets, and low profile top mounted
SATCOM antenna. The device provides features such as air to air, air to
ground, ground to air call transfer, extension to extension calling, and
three party conferencing. The system uses the Iridium Low Earth Orbit
(LEO) satellite constellation for global voice and data communications
services including the polar regions. A customer selected service
provider is identified on the Subscriber Identity Module (SIM) card
installed in the transceiver. Power to the Iridium SATCOM system is
through a 5 amp circuit breaker on the pilot’s circuit breaker panel.
Refer to user’s manual for more detailed instructions on the use of the
Iridium SATCOM system.
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