Systems 2 - COMMS, NAV and GPS review Flashcards
True or false? Both UHF and VHF systems have dedicated receivers for Guard.
False; only UHF has a dedicated Guard receiver.
How many preset channels can the UHF backup control unit store?
20
True or false? The UHF backup radio automatically activates in the event of an RMU failure.
False; you must turn on the backup control unit using the ON/OFF/PUSH TEST knob.
In COLD mode, when are the interphone microphones active?
Only when the ICS key switch or ICS KEY/MUTE switch is activated
True or false? With the Audio Control Panel identifier select switch in the R position, the VHF NAV radio receives both voice and Morse signals.
False; only Morse NAVAID recognition signals are received
What control sets the interphone system to HOT or COLD mode?
INTPH switch on the rear cockpit audio control panel
What are the five fields that comprise the RMU display areas?
a. UHF Comm
b. VHF Comm
c. ATC transponder
d. Blank
e. VHF NAV
Which comm mode do you set in the RMU for the UHF radio to receive on both active and Guard frequencies?
BOTH
How do you transfer the standby VHF frequency to the primary position?
Press the transfer switch adjacent to the VHF field
Up to how many UHF and VHF comm frequencies can be stored in the RMU memory?
20
True or false? The RMU stores up to five transponder codes in memory, in addition to the active code.
False; it only stores one code in memory.
Up to how many VHF NAV memory channels are stored in the RMU?
10
What are the three types of VOR facilities?
a. VOR
b. VOR/DME
c. VORTAC
What information does the ILS localizer provide?
Course guidance to runway centerline.
True or false? During a localizer approach, localizer course information is displayed on both the EADI and EHSI.
True
What happens to DME display error at a higher aircraft altitude?
The error increases.
True or false? You must press the IDT button on the RMU for the transponder to reply to a Mode A interrogation signal.
False; properly set, the transponder will respond automatically.
How is the TAS altitude block selected?
Depress the normal/below/above pushbutton selector switch on the control stick grip
True or false? Targets displayed on the TAS display as white diamonds represent “other” traffic.
False; white diamonds represent proximity traffic.
What should you do if TEST FAIL replaces ANNUN ON when the GPS unit is first turned on?
Recycle power to the unit.
Which GPS button is used primarily during holding and non-precision approaches?
OBS button
The active flight plan is always shown as what flight plan number?
FPL 0
How many flight plans can be stored in memory?
Up to 25 and each flight plan can have up to 30 waypoints.
You notice that the EHSI course indication cannot be changed by rotating the CRS knob on the EFIS control panel. What indication on the EHSI might confirm your problem?
CP flag
Which indication on the EHSI indicates that the DME system has failed?
RED X in the DME dispay….????
A TAS failure notification will appear on what instrument?
TAS/VSI
What indication on the RMU alerts you to a possible failure of the transponder?
Dashes or OFF in the ATC code field
What is the first component you should check when you suspect an avionics failure?
Circuit breaker
How are all VHF tuning functions controlled?
Through the RMU only
What are the five fields in the RMU?
a. UHF comm
b. VHF comm
c. ATC transponder
d. Blank
e. VHF NAV
What is the purpose of the ICS KEY/MUTE button?
Mutes all incoming audio while allowing inter-cockpit communication
How is the range display changed on the TAS display?
UP/DN range switches on the TA/VSI
Where are the VOR antennae located on the T-6A?
Vertical stabilizer
Which ILS component operates at 75 MHz and indicates your location along the approach path?
Marker beacons
What is the range of the DME?
Up to 199 miles slant range depending upon aircraft altitude
What should you do if the controller directs you to squawk altitude?
Set the transponder to ALT in the RMU.
How do you select the page types on the GPS panel?
Large outer knobs on the left and right side of the panel