Glossary & Acronyms

This section provides a comprehensive list of aviation terms and acronyms used throughout the Air Canada Virtual Airline ASOPs.

A

  • ACARS: Aircraft Communications Addressing and Reporting System
  • ADF: Automatic Direction Finder
  • ADS-B: Automatic Dependent Surveillance-Broadcast
  • AFE: Above Field Elevation
  • AFM: Aircraft Flight Manual
  • AGL: Above Ground Level
  • ALTN: Alternate
  • APU: Auxiliary Power Unit
  • ASR: Air Safety Report
  • ATC: Air Traffic Control
  • ATIS: Automatic Terminal Information Service

B

  • BCBS: Brain-Centered Body Scanning
  • BDRT: Both Dependent Runway Thresholds (simultaneous operations)

C

  • CAT: Category (as in CAT I/II/III ILS approaches)
  • CDA: Continuous Descent Approach
  • CDL: Configuration Deviation List
  • CDU: Control Display Unit
  • CG: Center of Gravity
  • CI: Cost Index
  • CRM: Crew Resource Management
  • CVR: Captain’s Voyage Report / Cockpit Voice Recorder

D

  • DA/DH: Decision Altitude/Decision Height
  • EICAS: Engine Indication and Crew Alerting System
  • ECAM: Electronic Centralized Aircraft Monitor
  • EODP: Engine-Out Departure Procedure
  • ETOPS: Extended-range Twin-engine Operations Performance Standards

F

  • FAF: Final Approach Fix
  • FCU: Flight Control Unit
  • FD: Flight Director
  • FDR: Flight Data Recorder
  • FGCS: Flight Guidance Control System
  • FL: Flight Level
  • FMC/FMGC: Flight Management Computer/Flight Management Guidance Computer
  • FMS: Flight Management System
  • FOD: Foreign Object Debris
  • FOQA: Flight Operations Quality Assurance
  • FRMS: Fatigue Risk Management System

G

  • GNSS: Global Navigation Satellite System
  • GPU: Ground Power Unit
  • GPWS/EGPWS: (Enhanced) Ground Proximity Warning System

H

  • HF: High Frequency (radio)
  • HOT: Hold-Over Time
  • HUD: Head-Up Display

I

  • IAF: Initial Approach Fix
  • ICAO: International Civil Aviation Organization
  • ILS: Instrument Landing System
  • IMC: Instrument Meteorological Conditions
  • IROP: Irregular Operations
  • ISA: International Standard Atmosphere

L

  • LNAV: Lateral Navigation
  • LOFT: Line-Oriented Flight Training
  • LVP: Low Visibility Procedures

M

  • MAC: Mean Aerodynamic Chord
  • MCP: Mode Control Panel
  • MEA: Minimum Enroute Altitude
  • MEL: Minimum Equipment List
  • METAR: Meteorological Aerodrome Report
  • Mmo: Maximum Operating Mach Number
  • MSA: Minimum Sector Altitude
  • MTOW: Maximum Take-Off Weight

N

  • NADP: Noise Abatement Departure Procedure
  • NAT HLA: North Atlantic High Level Airspace
  • ND: Navigation Display
  • NOTAM: Notice to Air Missions

O

  • OAT: Outside Air Temperature
  • OFP: Operational Flight Plan

P

  • PA: Public Address
  • PAPI: Precision Approach Path Indicator
  • PBN: Performance-Based Navigation
  • PF: Pilot Flying
  • PIC: Pilot-in-Command
  • PM: Pilot Monitoring

Q

  • QFE: Atmospheric pressure at aerodrome elevation
  • QNH: Altimeter setting to display elevation above sea level
  • QRH: Quick Reference Handbook

R

  • RA: Resolution Advisory (TCAS) / Radio Altimeter
  • RNAV: Area Navigation
  • RNP: Required Navigation Performance
  • RTO: Rejected Take-Off
  • RVR: Runway Visual Range
  • RVSM: Reduced Vertical Separation Minimum

S

  • SELCAL: Selective Calling System
  • SID: Standard Instrument Departure
  • SIGMET: Significant Meteorological Information
  • SIM: Simulator
  • SLOP: Strategic Lateral Offset Procedure
  • SOPs: Standard Operating Procedures
  • STAR: Standard Terminal Arrival Route

T

  • TA: Traffic Advisory (TCAS)
  • TCAS: Traffic Collision Avoidance System
  • TEM: Threat and Error Management
  • TOD: Top of Descent
  • TOGA: Take-Off/Go-Around thrust setting
  • TOW: Take-Off Weight

V

  • V1: Decision speed
  • V2: Take-off safety speed
  • VAPP: Approach speed
  • VNAV: Vertical Navigation
  • VMC: Visual Meteorological Conditions
  • Vmo: Maximum Operating Speed
  • VOR: VHF Omnidirectional Range
  • VR: Rotation speed
  • Vref: Reference speed

W

  • WOCL: Window of Circadian Low
  • WX: Weather

Z

  • ZFW: Zero Fuel Weight

Final Section: Revision History

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