Avionics Flashcards

1
Q

What are the two altimeters?

A

Barometric

Radar

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2
Q

What does the barometric altimeter do?

A

Uses pitot- static pressure to indicate altitude above sea level

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3
Q

How does radar altimeter work?

A

Uses radio echoes to determine altitude above ground level

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4
Q

What is azimuth?

A

Angular position in a horizontal plane measured clockwise from true north

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5
Q

What is bearing?

A

Angular position of object with respect to a point or line

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6
Q

What is range?

A

Distance of object from observer

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7
Q

What is heading?

A

Actual orientation of the aircrafts longitudinal axis at any instance

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8
Q

What is true heading?

A

Direction measured by true north

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9
Q

What is magnetic heading?

A

The direction of earths magnetic field

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10
Q

What is relative heading?

A

Current direction an object is facing at the 0/360 azimuth alignment

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11
Q

What’s the purpose of using Very-high frequency/ Ultra-high frequency?

A

To communicate

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12
Q

What’s the purpose of Intercommunication Audio System (IAS)?

A

To provide amplification and routing of audio signals

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13
Q

What does TACAN stand for?

A

Tactical Air Navigation

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14
Q

What’s the purpose of TACAN?

A

To determine bearing and slant range

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15
Q

What does INS stand for?

A

Inertial Navigation System

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16
Q

What is INS?

A

Fully automatic dead reckoning navigation system

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17
Q

What does GPS stand for?

A

Global Positioning System

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18
Q

Define GPS?

A

Navigation system that receives information from satellite source

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19
Q

What does ARI stand for?

A

Attitude Reference Indicator

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20
Q

What does ARI do?

A

Self contained pitch and roll attitude reference system

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21
Q

What does ILS stand for?

A

Instrument Landing System

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22
Q

Define ILS.

A

All weather approach guidance system

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23
Q

What is the pitot static system?

A

Measures temperature, pitot and static pressures surrounding aircraft

24
Q

What does AFCS stand for?

A

Automatic flight control system

25
What is the purpose of AFCS?
To provide autopilot and automatic throttle control
26
What does AOA stand for?
Angle of Attack
27
What is AOAT used for?
To measure the difference between the longitudinal axis of the aircraft and the airstream
28
What does ADC stand for?
Air Data Computer
29
What is the ADC used for?
Receives inputs from various aircraft sensors
30
What does ADSU stand for?
Airstream Direction Sensing Unit | Legacy only
31
What does TTP stand for?
Total Temperature Probe
32
What does TTP do?
Measures total temperature of the air outside the aircraft
33
What is data link
It's a two way UHF communications link
34
What are the four modes of operation of data link?
Automatic carrier landing Vector Waypoint mode Alignment
35
What does RADAR stand for?
Radio Detection and Ranging
36
What does the mission computer do?
Communicate and provide data conversion with non- mix avionics equipment
37
What does HUD stand for?
Heads Up Display
38
What does the HUD provide?
Steering Altitude Navigation A/A and A /G weapons
39
What does DDI stand for ?
Digital Display Indicator
40
What does UFCD stand for?
Up Front Control Display
41
What does UFCD do?
Provide entry and Display of aircraft data
42
What does MPCD stand for?
Multipurpose Color Display
43
What does TAMMAC stand for?
Tactical Aircraft Moving Map Capability
44
How is TAMMAC used?
Provides enhanced navigational/ tactical situational awareness to aircrew
45
SSR
Solid State Recorder
46
RMM
Removable Memory Module
47
AMU
Advanced Memory Unit
48
DFIRS
Deplorable Flight Incident Recorder Set
49
What are two functions of DFIRS?
Retrieving and storage of flight data | Deployment of stored flight data before crash
50
FIRAMS
Flight Incident Recorder and Monitoring System
51
JHMCS
Joint Helmet Cueing System
52
What missile does the JHMCS work with?
9X
53
What is the purpose of position lights?
Determine position of aircraft at night
54
What's the purpose of the anti-collision strobe lights?
Guard against in flight collisions
55
What are white Landing/taxi light used for?
Landing and taxi operations at night
56
E-BATT
Emergency battery | Legacy only