Block 6

Question 1

Provides approximate location of underwater wreckage and activate upon immersion in fresh or salt water

Answer 1

Underwater acoustical beacon (UAB)

Question 2

Frequency of the UAB

Answer 2

37.5 kHz

Question 3

Maximum depth of the UAB

Answer 3

20,000 feet

Question 4

Maximum range of the UAB

Answer 4

12,000 feet

Question 5

How long will the UAB transmit

Answer 5

30 days

Question 6

What is the UAB mounted onto

Answer 6

CVR and FDR

Question 7

What aids in locating a crashed aircraft and activates by sudden deceleration force along the longitudinal axis

Answer 7

Emergency locator transmitter (ELT)

Question 8

Three major components of the ELT

Answer 8

Control unit transmitter antenna

Question 9

What is the VHF transmit frequency of the emergency signal of the ELT

Answer 9

121.5 MHz

Question 10

What is the UHF transmit frequency of the emergency signal of the ELT

Answer 10

243 MHz

Question 11

How long will the VHF AM and UHF transmit

Answer 11

Until its self-contained battery pack is exhausted or the system is reset

Question 12

How long will the encoded digital message transmit for

Answer 12

24 hours

Question 13

What kind of audio tone does a transmitter emit

Answer 13

A repeating downward sweeping audio tone

Question 14

How many G’s transmitter built to withstand

Answer 14

100

Question 15

What are the three switch positions of the transmitter in an ELT

Answer 15

Reset, on/arm, and off

Question 16

What are the three switches on the control unit of the ELT

Answer 16

Test, auto, and reset

Question 17

What switch is used when transporting the unit to and from the aircraft

Answer 17

Off switch

Question 18

What switch bypasses the system impact sensor for testing purposes

Answer 18

Test Switch

Question 19

What switch spring loaded to reset the system back to normal after testing or activation

Answer 19

Reset switch

Question 20

What is the normal or standby switch

Answer 20

On/auto switch

Question 21

What helps piece together the cause of an aircraft crash

Answer 21

Cockpit voice recorder (CVR)

Question 22

What volts and hertz does the CVR system operate on

Answer 22

115 VAC and 400 Hz

Question 23

What are the components of the cockpit voice recorder

Answer 23

CVR, control unit, voice recorder test switch, remote area microphone

Question 24

What component has a 30 minute capacity and records over the previous recording

Answer 24

CVR

Question 25

What components does the control unit of the CVR compose of

Answer 25

Headset jack, test switch, meter, and controlled area microphone

Question 26

What component of the CVR provides a go or no go indication

Answer 26

Meter

Question 27

What component is used to bypass external power relay and it’s possible to test system on ground

Answer 27

Voice recorder test switch

Question 28

What component is dedicated to the fourth channel

Answer 28

Remote area microphone

Question 29

What component picks up and records voice signals and suppress engine in turbine noises

Answer 29

Remote area microphone

Question 30

What are the three purposes of the analog interphone

Answer 30

Crew to crew communication, | Ability to select key and modulate Monitor received audio from radio and navigational system

Question 31

Button used to key the radios and interphone systems

Answer 31

PTT

Question 32

Hearing yourself speak feedback through the headset

Answer 32

Side tone

Question 33

What interphone is used for crew to crew communication

Answer 33

Normal interphone

Question 34

Hands-free crew to crew communication

Answer 34

Hot mic

Question 35

Emergency crew to crew communication

Answer 35

Call

Question 36

Used to prevent ground loop feedback

Answer 36

Audio common ground

Question 37

What enables operators to select which radio they wish to key modulate and monitor

Answer 37

Interphone set control (ISC)

Question 38

How many positions does the rotary select knob have

Answer 38

Seven positions

Question 39

What enables the operator to monitor received audio signals from navigational receivers

Answer 39

Interphone monitor panel

Question 40

What is the bulkhead mounted assembly

Answer 40

Interphone station

Question 41

What two functions does the interphone station have

Answer 41

Transmit and receive

Question 42

What interconnects interphone system components

Answer 42

Interphone junction box (IJB)

Question 43

What uses the two button key method is typically used by the pilot and copilot stations

Answer 43

U92

Question 44

What uses the one button keying method is used by everyone else

Answer 44

U94

Question 45

What carries audio intelligence from microphone selected system

Answer 45

Microphone audio line

Question 46

What carries audio between the ICS, monitor panels, or interphone stations to the U92 are U94 connected to headsets

Answer 46

Headset audio lines

Question 47

What grounds and shuts off receiver and turns transmitter on

Answer 47

Control key lines

Question 48

Carries all audio from interphone to the operators headset

Answer 48

HDST HI

Question 49

Return line for headset

Answer 49

HDST LO

Question 50

Carries the audio from the microphone to the interphone

Answer 50

MIC HI

Question 51

Return line for Microphone

Answer 51

MIC LO

Question 52

What interphone connection is used to select key and modulate

Answer 52

Interconnection with radios

Question 53

What interconnection uses audio lines only

Answer 53

Interconnection with navigational system

Question 54

What interphone connection provides audio for safety of flight an emergency warning systems

Answer 54

Interconnection with warning systems