Nav Comm Section 2 part1

Question 1

What is the purpose of the radar installed in the aircraft?

Answer 1

Primary purpose To see weather and secondary purpose is to see traffic

Question 2

What is the basic operating principle of the aircraft weather radar?

Answer 2

Bounces the signal, pulse echo

Question 3

What are the two bands used in an aircraft radar?

Answer 3

C band- air liner

X band- general aviation

Question 4

What is a stormscope used for?

Answer 4

Tells you when lightning strikes

Question 5

What is the basic operating principle of the stormscope?

Answer 5

Has a AM directional receiver directional antenna

Question 6

What is the purpose of the Radar altimeter?

Answer 6

Measures the exact distance to the ground

Question 7

What is the purpose of the GPWS?

Answer 7

Warns the pilot when he’s to low

Question 8

What is the purpose of the transponder?

Answer 8

Helps ATC identify the aircraft

Question 9

What is a mode A transponder?

Answer 9

Identification only

Question 10

What is a mode C transponder?

Answer 10

Identification and altitude

Question 11

What is a mode S transponder?

Answer 11

Identification altitude and collision avoidance

Question 12

How often does the FAA require that transponders be tested?

Answer 12

Every 24 calendar months

Question 13

What is the purpose of the 4 digit code used with the transponder?

Answer 13

It’s the Identification number for the aircraft

Question 14

What is TCAS?

Answer 14

Traffic collision avoidance system

Question 15

What is the purpose of the ELT?

Answer 15

Locates a crash aircraft (emergency locator transmitter)