B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Aircraft Maintenance Science
COMMUNICATION AND NAVIGATION SYSTEM
(Upto 2015 batch)
Time 3 Hours Maximum 75 Marks
Part A x 3 15)
Answer any five questions.
1. Mention the functions of a radio transmitter.
2. Explain various types of microphones.
3. What is Aircraft SELCAL system? and explain in brief.
4. What is the importance of wave guide?
5. Explain about emergency locator transmitter.
6. Explain Antenna and its various types.
7. Describe about ATC transponder.
8. Name various radar bands with its frequency ranges.
Sub. Code
62
CP-7827
2
Wk16
Part B x 12 60)
Answer all questions.
9. Explain the aircraft VHF communication
system.
Describe the Aircraft DME system.
Or
What is TCAS system and explain its
function?
Describe Aircraft Automatic Direction Finder
system.
10. Explain the various types of carrier wave.
List the various RF bands with its name
frequency range and uses.
Or
Explain ILS with neat sketch.
11. Write in brief Aircraft Radio Altimeter system.
Explain Aircraft Cockpit Voice Recorder.
Or
Explain Global positioning system with its all
segments.
CP-7827
3
Wk16
12. Explain about aircraft INS system.
Write short notes on RMI.
Or
Explain the aircraft VOR system with neat sketch.
13. Write short notes on
Radar Safety.
Radom maintenance
Or
Draw the block diagram of analog radar and explain
its features.
————————