Avionics: Communication, Navigation, Surveillance (CNS) Flashcards
What unit within the avionics system controls the following?
-VHF COM1:
-VHF COM2:
-Integrated Avionics Unit 1 (GIA 1)
-Integrated Avionics Unit 2 (GIA 2)
Where are the following located?
-VHF COM 1 Antenna:
-VHF COM 2 Antenna:
-Top of fuselage
-Bottom of fuselage
What actions occur when MASK MIC switch is turned ON?
-Headset microphone turned off
-Mask microphone turned on
-Cockpit speaker turned on
What is the automatic cutout period for the Comm Transmitter?
35 Seconds
Does frequency auto tuning occur when the CDI navigation source is ground based?
Into the standby only, not the active.
What navigation sensors are used in long range (magenta) source?
GPS only
What type of operations are allowed by SBAS?
RNAV or GPS approaches to LPV or LP minimums
When must RAIM availability be checked?
When SBAS or WAAS service is not available along the entire route of flight.
May an instrument departure or arrival (SID/STAR) be used if the navigation database is not current?
Yes, if each waypoint is verified by reference to current publications.
May an RNAV or GPS approach be used if the navigation database is not current?
No
Is the use of LPV minimums authorized?
Provided SBAS is operative with WAAS system (US)
Is the use of LNAV/VNAV minimums (Baro-VNAV) authorized?
It is allowed except for approaches at airports with elevation above 5,000’.
Is it authorized to arm approach mode and couple the AFCS to GP on an approach with LNAV or LP minimums with advisory vertical guidance?
(LNAV+V,LP+V)
It is allowed, suggested to add 50’m to the baro min with an MDA.
What information is transmitted to ATC through the transponder ADS-B out function?
Aircraft GPS Position, at a minimum
