Avionics/Electrical

Question 1

What does barometric altimeter use to indicate altitude above sea level

Answer 1

Barometric altimeter uses pitot static pressure to indicate altitude above sea level

Question 2

What does the radar altimeter use to indicate altitude above ground level

Answer 2

Radio echoes

Question 3

How is the Azimuth defined

Answer 3

Defined as the angular position or bearing in a horizontal plane

Question 4

How is the azimuth normally measured

Answer 4

Clockwise from true north

Question 5

Bearing

Answer 5

Angular position of an object from a reference point

Question 6

Range

Answer 6

Distance of an object

Question 7

Heading

Answer 7

Actual orientation of the longitudinal axis

Question 8

True heading

Answer 8

Direction measured by true north

Question 9

Magnetic heading

Answer 9

Uses the direction of the earths magnetic field as a reference point

Question 10

Relative heading

Answer 10

Uses current direction that an object is facing a 0/360 azimuth alignment

Question 11

What are the advantages of fiber optic cables

Answer 11

Improved system performance 
Immunity to electrical noise
Signal security
Improved safety
Electrical isolation 
Reduced size and weight 
Environmental protection

Question 12

What is the purpose of VHF/UHF

Answer 12

Very high frequency/ ultra high frequency: used to communicate with other aircraft or ground stations

Question 13

What is the purpose of IAS

Answer 13

Intercommunication audio system: provides amplification and routing of audio signals between cockpit and ground crew

Question 14

What are CNI controls

Answer 14

Threat warnings
Weapon tones
Voice alerts

Question 15

What is the purpose of the TACAN

Answer 15

Tactical air navigation: determines the relative bearing and slant range distance from ground to aircraft

Question 16

INS

Answer 16

Inertial navigation system: self contained, fully automatic dead reckoning navigation system.

Question 17

ARI

Answer 17

Attitude reference indicator: self contained pitch and roll reference system, electronically driven.

Question 18

ILS

Answer 18

Instrument landing system

All weather guidance system

Question 19

What does the pitot static system measure

Answer 19

Temperature

Question 20

AOA

Answer 20

Angle of attack, shows the approach of angle

Question 21

AOAT

Answer 21

Angle of attack transmitters: measures the difference between the longitudinal axis and airstream

Question 22

ADC

Answer 22

Aircraft data computer: receives inputs from aircraft sensors

Question 23

Data link

Answer 23

Two way UHF communication link connecting aircraft data with the ship

Question 24

RADAR

Answer 24

Radio detection and ranging provides A/A (air to air) and A/G (air to ground) modes

Question 25

DDI

Answer 25

Digital display indicators : provides night vision image system

Question 26

UFCD

Answer 26

Up front control display: displays aircraft data

Question 27

MPCD

Answer 27

Multipurpose color display

Question 28

TAMMAC

Answer 28

Tactical aircraft moving map capability

Question 29

DFIRS

Answer 29

Deplorable flight incident recorder: door 300, lasts for 72 hours

Question 30

What is the function of AFCS

Answer 30

Automatic flight control system: provides autopilot and automatic throttle control

Question 31

FIRAMS

Answer 31

Flight incident recorder and monitoring system: monitors engine and airframe operational status

Question 32

What does the electrical power system consist of

Answer 32

2 generators
2 transformer rectifiers
1 battery with charger

Question 33

D/C battery (maint battery) supplies how much power?

Answer 33

28vdc

Question 34

A/C generators supply how much power

Answer 34

115/200vac with 3 phases of electrical power supplying 28vdc