Avionics Flashcards
What are the two altimeters?
Barometric
Radar
What does the barometric altimeter do?
Uses pitot- static pressure to indicate altitude above sea level
How does radar altimeter work?
Uses radio echoes to determine altitude above ground level
What is azimuth?
Angular position in a horizontal plane measured clockwise from true north
What is bearing?
Angular position of object with respect to a point or line
What is range?
Distance of object from observer
What is heading?
Actual orientation of the aircrafts longitudinal axis at any instance
What is true heading?
Direction measured by true north
What is magnetic heading?
The direction of earths magnetic field
What is relative heading?
Current direction an object is facing at the 0/360 azimuth alignment
What’s the purpose of using Very-high frequency/ Ultra-high frequency?
To communicate
What’s the purpose of Intercommunication Audio System (IAS)?
To provide amplification and routing of audio signals
What does TACAN stand for?
Tactical Air Navigation
What’s the purpose of TACAN?
To determine bearing and slant range
What does INS stand for?
Inertial Navigation System
What is INS?
Fully automatic dead reckoning navigation system
What does GPS stand for?
Global Positioning System
Define GPS?
Navigation system that receives information from satellite source
What does ARI stand for?
Attitude Reference Indicator
What does ARI do?
Self contained pitch and roll attitude reference system
What does ILS stand for?
Instrument Landing System
Define ILS.
All weather approach guidance system
What is the pitot static system?
Measures temperature, pitot and static pressures surrounding aircraft
What does AFCS stand for?
Automatic flight control system
What is the purpose of AFCS?
To provide autopilot and automatic throttle control
What does AOA stand for?
Angle of Attack
What is AOAT used for?
To measure the difference between the longitudinal axis of the aircraft and the airstream
What does ADC stand for?
Air Data Computer
What is the ADC used for?
Receives inputs from various aircraft sensors
What does ADSU stand for?
Airstream Direction Sensing Unit
Legacy only
What does TTP stand for?
Total Temperature Probe
What does TTP do?
Measures total temperature of the air outside the aircraft
What is data link
It’s a two way UHF communications link
What are the four modes of operation of data link?
Automatic carrier landing
Vector
Waypoint mode
Alignment
What does RADAR stand for?
Radio Detection and Ranging
What does the mission computer do?
Communicate and provide data conversion with non- mix avionics equipment
What does HUD stand for?
Heads Up Display
What does the HUD provide?
Steering
Altitude
Navigation
A/A and A /G weapons
What does DDI stand for ?
Digital Display Indicator
What does UFCD stand for?
Up Front Control Display
What does UFCD do?
Provide entry and Display of aircraft data
What does MPCD stand for?
Multipurpose Color Display
What does TAMMAC stand for?
Tactical Aircraft Moving Map Capability
How is TAMMAC used?
Provides enhanced navigational/ tactical situational awareness to aircrew
SSR
Solid State Recorder
RMM
Removable Memory Module
AMU
Advanced Memory Unit
DFIRS
Deplorable Flight Incident Recorder Set
What are two functions of DFIRS?
Retrieving and storage of flight data
Deployment of stored flight data before crash
FIRAMS
Flight Incident Recorder and Monitoring System
JHMCS
Joint Helmet Cueing System
What missile does the JHMCS work with?
9X
What is the purpose of position lights?
Determine position of aircraft at night
What’s the purpose of the anti-collision strobe lights?
Guard against in flight collisions
What are white Landing/taxi light used for?
Landing and taxi operations at night
E-BATT
Emergency battery
Legacy only
