SATCOM
Give an example of when pilots would use SATCOM
ex. They are nice so they call the hotel to come pick everyone up from the airport and order pizza
What is the heart of the CMS
CMU
Where power control is performed
CDU
Any interphone station set to interphone can TX & RX messages from the other aircraft
Common
The number of source devices that connect to the printer
12
SIMPLEX
HALF DUPLEX
DUPLEX
Where are the CMUs located
aft electronic rack next to mmrs
Com radio page can be accessed how?
The COM function select key
Boom operator or instructor must press interphone PTT switch to allow receiver aircraft to hear voice transmissions from tanker.
Control
Where on CDU you check the status of the printer
STAT function key
What are the call priorities?
EMG
HGH
LOW
PUB
What are the CMS components
CMU
APM
A circuit that suppresses the output of a radio receiver if the signal strength falls below a certain level
What is Squelch
Voice transmissions to receiver aircraft can only be generated from boom operator or boom instructor stations by pressing PTT switch
Private
Check paper
How many components are there? What are they?
2
R/T
IGA antenna
The connection/data transfer between CMU 1 & CMU 2
cross-talk
This allows the crew to tune the COM either with a manually entered frequency, maritime channel, anti-jam net, call sign entry, or by preset number entry.
IPC
How the tanker aircraft is able to connect and communicate to the receiver aircraft
nozzle coil
The amount of source devices the printer communicate with at a time
1
Main purpose of Satellite Comm?
Long range data and voice communication without ground station availability
What are the two data busses information from the cmu travels on?
ARINC 618
ARINC 429
The UHF and VHF Guard frequencies
243.000
121.500
Provides isolation of voice carrying signal lines when the refueling system is in emergency or over-ride
Audio Isolator (Model 1041-1)
The microprocessor-controlled interface that provides a communications link between the printer and 12 source devices
ARINC multiplexer circuit card