MOD 13-14-15

Question 1

What best describes the operation of an ELT in an aircraft?

Answer 1

It activates automatically in the event of a crash

Question 2

On what frequencies do a 3-frequency ELT transmit?

Answer 2

121.500 MHz, 243.0 MHz and 406 MHz

Question 3

What is the primary source of power for an aircraft ELT?

Answer 3

The ELT has its own dedicated battery

Question 4

In what format is the information transmitted on the 121.500 MHz and 243.0 MHz frequencies?

Answer 4

Analog signal, consisting of a sweeping audio tone

Question 5

When testing an ELT in the aircraft, what frequency is used to monitor the ELT transmission?

Answer 5

121.500 MHz

Question 6

What is the proper time of day to test the ELT?

Answer 6

Within the first 5 minutes of any UTC hour

Question 7

COSPAS/SARSAT is the satellite system operated by Russia and the USA.

Answer 7

YES

Question 8

NOAA is the U.S. government agency that operates the COSPAS/SARSAT system.

Answer 8

YES

Question 9

A remote switch is NOT required on a 406 MHz ELT.

true or false

Answer 9

false

Question 10

What is the maximum recording time for an aircraft CVR?

Answer 10

Either 30 minutes or 120 minutes

Question 11

What is the normal number of channels of audio that an aircraft CVR records?

Answer 11

4 channels

Question 12

What best describes the operation of a ‘G’ switch in an aircraft CVR installation?

Answer 12

It removes power from the CVR in the event of a crash

Question 13

Which of the following statements best describes the functions of an aircraft CVR?

Answer 13

To record sounds from the aircraft cockpit and protect the recording

Question 14

What is the common name of the CVR test that must be performed, as per the CARs, to determine that the CVR is recording useable audio?

Answer 14

A CVR intelligibility test

Question 15

What is the purpose of an FDR correlation test?

Answer 15

To ensure all FDR parameters are being recorded and are usable

Question 16

How often must an FDR correlation test be performed, as per the CARs?

Answer 16

Every 12 months or 3000 flight hours, whichever occurs first

Question 17

What is the primary purpose of the ULB/ULD installed on an FDR or CVR?

Answer 17

To enable investigators to find the FDR or CVR if the aircraft lands in water

Question 18

What best describes a Health and Usage Monitoring System (HUMS)?

Answer 18

Records data, similar to an FDR, for use in maintenance and reliability tracking

Question 19

Which are the advantage of SATCOM as it compares to aircraft HF?

Answer 19

1) SATCOM utilizes direct/space wave methods of propagation
2) SATCOM is not as succeptable to iterference from changes in the ionosphere
3) SATCOM provides a means for communication in remote areas and trans-oceanic flights

Question 20

Which ones are satellite communications service providers?

Answer 20

Iridium, Globalstar and Inmarsat

Question 21

Which of the following is NOT a frequency range for SATCOM?

1) 2.0 MHz to 30.0 MHz
2) 1.616 GHz to 1.6265 GHz
3) 27.5 GHZ to 31 GHz
4) 19.4 GHz to 29.3 GHz

Answer 21

1)2.0 MHz to 30.0 MHz

Question 22

Which of the following components is NOT typically used in a SATCOM system?

1) Automatic Antenna Coupler
2) High Power Amplifiers
3) Demultiplexers
4) Beam Steering Networks

Answer 22

1) Automatic Antenna Coupler

Question 23

Where on the aircraft are the antenna(s) for the SATCOM system located?

Answer 23

On the upper surface of the aircraft fuselage