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Section 2 System Overview
1
st
Ed Nov 2018
IDU-450 EFIS Software Version 8.0H (Rotorcraft)
2-1
Section 2
System Overview
2.1
Abbreviations and Acronyms
0R No
Radius
3-D Three-Dimensional
AC Advisory
Circular
ACTV Active
ADAHRS
Air Data Attitude Heading Reference System
ADC
Air Data Computer
ADF
Automatic Direction Finder
ADS-B
Automatic Dependent Surveillance-Broadcast
AFCS
Automatic Flight Control System
AFM
Aircraft Flight Manual
AGL
Above Ground Level
AHRS
Attitude Heading Reference System
AIRAC
Aeronautical Information Regulation and Control
AIRMET
Airmen’s Meteorological Information
ALT Pressure
Altitude
ALT SEL
Altitude Selection
AMLCD
Active Matrix Liquid Crystal Display
ANP
Actual Navigation Performance
ANT Antenna
AP Autopilot
APP
Waypoint is part of an Instrument Approach Procedure
APPR Approach
APT Airport
APV
Approach with Vertical Guidance
AOA
Angle of Attack
ARINC
Aeronautical Radio, Inc.
ARTCC
Air Route Traffic Control Center
AS
SAE Aerospace Standard
ASEL
Aircraft Selected Altitude
ATC
Air Traffic Control
ATT Attitude