> ## Documentation Index
> Fetch the complete documentation index at: https://docs.canadava.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Glossary & Acronyms

> Complete list of aviation terms and acronyms

<Info>
  This glossary is written for **virtual airline and flight simulation** use within Virtual Air Canada Airline. It is not intended as a real-world aviation reference.
</Info>

This section provides a comprehensive list of aviation terms and acronyms used throughout the Virtual Air Canada Airline ASOPs. Click any term to learn more.

## A

* **[ACARS](/aops/additional-resources/glossary/acars)** - Aircraft Communications Addressing and Reporting System
* **[ADF](/aops/additional-resources/glossary/adf)** - Automatic Direction Finder
* **[ADS-B](/aops/additional-resources/glossary/ads-b)** - Automatic Dependent Surveillance-Broadcast
* **[AFE](/aops/additional-resources/glossary/afe)** - Above Field Elevation
* **[AFM](/aops/additional-resources/glossary/afm)** - Aircraft Flight Manual
* **[AGL](/aops/additional-resources/glossary/agl)** - Above Ground Level
* **[ALTN](/aops/additional-resources/glossary/altn)** - Alternate
* **[APU](/aops/additional-resources/glossary/apu)** - Auxiliary Power Unit
* **[ASR](/aops/additional-resources/glossary/asr)** - Air Safety Report
* **[ATC](/aops/additional-resources/glossary/atc)** - Air Traffic Control
* **[ATIS](/aops/additional-resources/glossary/atis)** - Automatic Terminal Information Service

## B

* **[BCBS](/aops/additional-resources/glossary/bcbs)** - Brain-Centered Body Scanning
* **[BDRT](/aops/additional-resources/glossary/bdrt)** - Both Dependent Runway Thresholds

## C

* **[CAT](/aops/additional-resources/glossary/cat)** - Category (as in CAT I/II/III ILS approaches)
* **[CDA](/aops/additional-resources/glossary/cda)** - Continuous Descent Approach
* **[CDL](/aops/additional-resources/glossary/cdl)** - Configuration Deviation List
* **[CDU](/aops/additional-resources/glossary/cdu)** - Control Display Unit
* **[CG](/aops/additional-resources/glossary/cg)** - Center of Gravity
* **[CI](/aops/additional-resources/glossary/ci)** - Cost Index
* **[CRM](/aops/additional-resources/glossary/crm)** - Crew Resource Management
* **[CVR](/aops/additional-resources/glossary/cvr)** - Captain's Voyage Report / Cockpit Voice Recorder

## D

* **[DA/DH](/aops/additional-resources/glossary/da-dh)** - Decision Altitude/Decision Height

## E

* **[EICAS](/aops/additional-resources/glossary/eicas)** - Engine Indication and Crew Alerting System
* **[ECAM](/aops/additional-resources/glossary/ecam)** - Electronic Centralized Aircraft Monitor
* **[EODP](/aops/additional-resources/glossary/eodp)** - Engine-Out Departure Procedure
* **[ETOPS](/aops/additional-resources/glossary/etops)** - Extended-range Twin-engine Operational Performance Standards

## F

* **[FAF](/aops/additional-resources/glossary/faf)** - Final Approach Fix
* **[FCU](/aops/additional-resources/glossary/fcu)** - Flight Control Unit
* **[FD](/aops/additional-resources/glossary/fd)** - Flight Director
* **[FDR](/aops/additional-resources/glossary/fdr)** - Flight Data Recorder
* **[FGCS](/aops/additional-resources/glossary/fgcs)** - Flight Guidance Control System
* **[FL](/aops/additional-resources/glossary/fl)** - Flight Level
* **[FMC/FMGC](/aops/additional-resources/glossary/fmc-fmgc)** - Flight Management Computer/Flight Management Guidance Computer
* **[FMS](/aops/additional-resources/glossary/fms)** - Flight Management System
* **[FOD](/aops/additional-resources/glossary/fod)** - Foreign Object Debris
* **[FOQA](/aops/additional-resources/glossary/foqa)** - Flight Operations Quality Assurance
* **[FRMS](/aops/additional-resources/glossary/frms)** - Fatigue Risk Management System

## G

* **[GNSS](/aops/additional-resources/glossary/gnss)** - Global Navigation Satellite System
* **[GPU](/aops/additional-resources/glossary/gpu)** - Ground Power Unit
* **[GPWS/EGPWS](/aops/additional-resources/glossary/gpws-egpws)** - (Enhanced) Ground Proximity Warning System

## H

* **[HF](/aops/additional-resources/glossary/hf)** - High Frequency (radio)
* **[HOT](/aops/additional-resources/glossary/hot)** - Hold-Over Time
* **[HUD](/aops/additional-resources/glossary/hud)** - Head-Up Display

## I

* **[IAF](/aops/additional-resources/glossary/iaf)** - Initial Approach Fix
* **[ICAO](/aops/additional-resources/glossary/icao)** - International Civil Aviation Organization
* **[ILS](/aops/additional-resources/glossary/ils)** - Instrument Landing System
* **[IMC](/aops/additional-resources/glossary/imc)** - Instrument Meteorological Conditions
* **[IROP](/aops/additional-resources/glossary/irop)** - Irregular Operations
* **[ISA](/aops/additional-resources/glossary/isa)** - International Standard Atmosphere

## L

* **[LNAV](/aops/additional-resources/glossary/lnav)** - Lateral Navigation
* **[LOFT](/aops/additional-resources/glossary/loft)** - Line-Oriented Flight Training
* **[LVP](/aops/additional-resources/glossary/lvp)** - Low Visibility Procedures

## M

* **[MAC](/aops/additional-resources/glossary/mac)** - Mean Aerodynamic Chord
* **[MCP](/aops/additional-resources/glossary/mcp)** - Mode Control Panel
* **[MEA](/aops/additional-resources/glossary/mea)** - Minimum Enroute Altitude
* **[MEL](/aops/additional-resources/glossary/mel)** - Minimum Equipment List
* **[METAR](/aops/additional-resources/glossary/metar)** - Meteorological Aerodrome Report
* **[Mmo](/aops/additional-resources/glossary/mmo)** - Maximum Operating Mach Number
* **[MNPS](/aops/additional-resources/glossary/mnps)** - Minimum Navigation Performance Specification
* **[MSA](/aops/additional-resources/glossary/msa)** - Minimum Sector Altitude
* **[MTOW](/aops/additional-resources/glossary/mtow)** - Maximum Take-Off Weight

## N

* **[NADP](/aops/additional-resources/glossary/nadp)** - Noise Abatement Departure Procedure
* **[NAT HLA](/aops/additional-resources/glossary/nat-hla)** - North Atlantic High Level Airspace
* **[ND](/aops/additional-resources/glossary/nd)** - Navigation Display
* **[NOTAM](/aops/additional-resources/glossary/notam)** - Notice to Air Missions

## O

* **[OAT](/aops/additional-resources/glossary/oat)** - Outside Air Temperature
* **[OFP](/aops/additional-resources/glossary/ofp)** - Operational Flight Plan

## P

* **[PA](/aops/additional-resources/glossary/pa)** - Public Address
* **[PAPI](/aops/additional-resources/glossary/papi)** - Precision Approach Path Indicator
* **[PBN](/aops/additional-resources/glossary/pbn)** - Performance-Based Navigation
* **[PF](/aops/additional-resources/glossary/pf)** - Pilot Flying
* **[PIC](/aops/additional-resources/glossary/pic)** - Pilot-in-Command
* **[PIREP](/aops/additional-resources/glossary/pirep)** - Pilot Report
* **[PM](/aops/additional-resources/glossary/pm)** - Pilot Monitoring

## Q

* **[QFE](/aops/additional-resources/glossary/qfe)** - Atmospheric pressure at aerodrome elevation
* **[QNH](/aops/additional-resources/glossary/qnh)** - Altimeter setting to display elevation above sea level
* **[QRH](/aops/additional-resources/glossary/qrh)** - Quick Reference Handbook

## R

* **[RA](/aops/additional-resources/glossary/ra)** - Resolution Advisory (TCAS) / Radio Altimeter
* **[RNAV](/aops/additional-resources/glossary/rnav)** - Area Navigation
* **[RNP](/aops/additional-resources/glossary/rnp)** - Required Navigation Performance
* **[RTO](/aops/additional-resources/glossary/rto)** - Rejected Take-Off
* **[RVR](/aops/additional-resources/glossary/rvr)** - Runway Visual Range
* **[RVSM](/aops/additional-resources/glossary/rvsm)** - Reduced Vertical Separation Minimum

## S

* **[SELCAL](/aops/additional-resources/glossary/selcal)** - Selective Calling System
* **[SID](/aops/additional-resources/glossary/sid)** - Standard Instrument Departure
* **[SIGMET](/aops/additional-resources/glossary/sigmet)** - Significant Meteorological Information
* **[SIM](/aops/additional-resources/glossary/sim)** - Simulator
* **[SLOP](/aops/additional-resources/glossary/slop)** - Strategic Lateral Offset Procedure
* **[SOPs](/aops/additional-resources/glossary/sops)** - Standard Operating Procedures
* **[STAR](/aops/additional-resources/glossary/star)** - Standard Terminal Arrival Route

## T

* **[TA](/aops/additional-resources/glossary/ta)** - Traffic Advisory (TCAS)
* **[TCAS](/aops/additional-resources/glossary/tcas)** - Traffic Collision Avoidance System
* **[TEM](/aops/additional-resources/glossary/tem)** - Threat and Error Management
* **[TOD](/aops/additional-resources/glossary/tod)** - Top of Descent
* **[TOGA](/aops/additional-resources/glossary/toga)** - Take-Off/Go-Around thrust setting
* **[TOW](/aops/additional-resources/glossary/tow)** - Take-Off Weight

## V

* **[V1](/aops/additional-resources/glossary/v1)** - Decision speed
* **[V2](/aops/additional-resources/glossary/v2)** - Take-off safety speed
* **[VAPP](/aops/additional-resources/glossary/vapp)** - Approach speed
* **[VNAV](/aops/additional-resources/glossary/vnav)** - Vertical Navigation
* **[VMC](/aops/additional-resources/glossary/vmc)** - Visual Meteorological Conditions
* **[Vmo](/aops/additional-resources/glossary/vmo)** - Maximum Operating Speed
* **[VOR](/aops/additional-resources/glossary/vor)** - VHF Omnidirectional Range
* **[VR](/aops/additional-resources/glossary/vr)** - Rotation speed
* **[Vref](/aops/additional-resources/glossary/vref)** - Reference speed

## W

* **[WOCL](/aops/additional-resources/glossary/wocl)** - Window of Circadian Low
* **[WX](/aops/additional-resources/glossary/wx)** - Weather

## Z

* **[ZFW](/aops/additional-resources/glossary/zfw)** - Zero Fuel Weight

<Card title="Final Section: Revision History" icon="clock-rotate-left" href="/aops/additional-resources/revision-history">
  Continue to view the document version history and changes
</Card>