Navigate / EASA
GM1 FCL.010 Definitions

ED Decision 2025/002/R

ABBREVIATIONS

The following abbreviations apply to the Acceptable Means of Compliance and Guidance Material to Part-FCL:

A Aeroplane

AC Alternating Current

ACAS Airborne Collision Avoidance System

ADF Automatic Direction Finding

ADS Aeronautical Design Standard

AFCS Automatic Flight Control System

AFM Aircraft Flight Manual

AGL Above Ground Level

AIC Aeronautical Information Circular

AIP Aeronautical Information Publication

AIRAC Aeronautical Information Regulation and Control

AIS Aeronautical Information Services

AMC Acceptable Means of Compliance

AeMC Aero-medical Centre

AME Aero-medical Examiner

AoA Angle of Attack

AOH Aircraft Operating Handbook

AOM Aircraft Operating Manual

APU Auxiliary Power Unit

As Airship

ATC Air Traffic Control

ATIS Automatic Terminal Information Service

ATO Approved Training Organisation

ATP Airline Transport Pilot

ATPL Airline Transport Pilot Licence

ATS Air Traffic Service

AUM All Up Mass

AUPRTA Airplane Upset Prevention and Recovery Training Aid


B Balloon

BCAR British Civil Airworthiness Requirement

BEM Basic Empty Mass

BIR Basic instrument rating

BITD Basic Instrument Training Device

BPL Balloon Pilot Licence


CAS Calibrated Airspeed

CAT Clear Air Turbulence

CB-IR Competency-based training course for Instrument Rating

CDFA Constant-Descent Final Approach

CDI Course Deviation Indicator

CFI Chief Flight Instructor

CG Centre of Gravity

CP Co-pilot

CPL Commercial Pilot Licence

CRE Class Rating Examiner

CRI Class Rating Instructor

CRM Crew Resource Management

CS Certification Specification

CTKI Chief Theoretical Knowledge Instructor


DC Direct Current

DF Direction Finding

DME Distance Measuring Equipment

DPATO Defined Point After Take-Off

DPBL Defined Point Before Landing

DR Dead Reckoning navigation

DTO Declared Training Organisation

DVE Degraded Visual Environment


ECQB European Central Question Bank

EFIS Electronic Flight Instrument System

EOL Engine Off Landings

ERPM Engine Revolutions per Minute

ETA Estimated Time of Arrival

ETOPS Extended-range Twin-engine Operation Performance Standard


FAF Final Approach Fix

FAR Federal Aviation Regulations

FCL Flight Crew Licensing

FE Flight Examiner

F/E Flight Engineer

FEM Flight Examiner Manual

FFS Full-Flight Simulator

FI Flight Instructor

FIE Flight Instructor Examiner

FIS Flight Information Service

FMC Flight Management Computer

FMS Flight Management System

FNPT Flight and Navigation Procedures Trainer

FS Flight Simulator

FSTD Flight Simulation Training Device

ft feet

FTD Flight Training Device


G Gravity forces

GLONASS Global Orbiting Navigation Satellite System

GM Guidance Material

GNSS Global Navigation Satellite Systems

GPS Global Positioning System


H Helicopter

HF High Frequency

HOFCS High Order Flight Control System

HPA High-Performance Aeroplane

hrs Hours

HUMS Health and Usage Monitoring System

HT Head of Training


IAS Indicated Airspeed

ICAO International Civil Aviation Organization

IGE In-Ground Effect

IFR Instrument Flight Rules

ILS Instrument Landing System

IMC Instrument Meteorological Conditions

IOS Instructor Operating Station

IR Instrument Rating

IRE Instrument Rating Examiner

IRI Instrument Rating Instructor

ISA International Standard Atmosphere


JAR Joint Aviation Requirements


kg Kilogram


LAPL Light Aircraft Pilot Licence

LDP Landing Decision Point

LMT Local Mean Time

LO Learning Objectives

LOC-I Loss of Control In-flight

LOFT Line-Orientated Flight Training


m Meter

MCC Multi-Crew Cooperation

MCCI Multi-Crew Cooperation Instructor

ME Multi-Engine

MEL Minimum Equipment List

MEP Multi-Engine Piston

MET Multi-Engine Turboprop

METAR Meteorological Aerodrome Report

MI Mountain Rating Instructor

MP Multi-Pilot

MPA Multi-Pilot Aeroplane

MPL Multi-crew Pilot Licence

MPH Multi-Pilot Helicopter

MTOM Maximum Take-Off Mass


NDB Non-Directional Beacon

NM Nautical Miles

NOTAM Notice To Airmen

NOTAR No Tail Rotor


OAT Outside Air Temperature

OBS Omni Bearing Selector

OEI One Engine Inoperative

OEM Original Equipment Manufacturer

OGE Out of Ground Effect

OML Operational Multi-pilot Limitation

OSL Operational Safety Pilot Limitation

OTD Other Training Devices


PAPI Precision Approach Path Indicator

PBN Performance-based Navigation

PF Pilot Flying

PIC Pilot-In-Command

PICUS Pilot-In-Command Under Supervision

PL Powered-lift

PNF Pilot Not Flying

POM Pilot Operating Manual

PPL Private Pilot Licence


QDM Magnetic Heading (aircraft to station)

QDR Magnetic Heading (station to aircraft)

QFE Atmospheric pressure at aerodrome elevation

QNH Altimeter sub-scale setting to obtain elevation when on the ground


RAIM Receiver Autonomous Integrity Monitoring

RNAV Radio Navigation

RPM Revolutions per Minute

RRPM Rotor Revolutions per Minute

R/T Radio-telephony


S Sailplane

SATCOM Satellite Communication

SE Single-Engine

SEP in the context of aeroplanes: Single-Engine Single-Pilot aeroplane, as defined in Article 2(8c)

SEP in the context of helicopters: Single-Engine Piston

SET Single-Engine Turboprop

SFE Synthetic Flight Examiner

SFI Synthetic Flight Instructor

SID Standard Instrument Departure

SIGMET Significant Meteorological Weather

SLPC Single Lever Power Control

SOP Standard Operating Procedure

SP Single-Pilot

SPA Single-Pilot Aeroplane

SPH Single-Pilot Helicopter

SPIC Student PIC

SPL Sailplane Pilot Licence

SSR Secondary Surveillance Radar

STI Synthetic Training Instructor


TAF (Terminal Area Forecasts) Aerodrome Forecast

TAS True Airspeed

TAWS Terrain Awareness Warning System

TCH Type Certificate Holder

TDP Take-off Decision Point

TEM Threat and Error Management

TK Theoretical Knowledge

TMG Touring Motor Glider

TORA Take-Off Run Available

TODA Take-Off Distance Available

TR Type Rating

TRE Type Rating Examiner

TRI Type Rating Instructor


UPRT Upset Prevention and Recovery Training

UTC Universal Time Coordinated


V Velocity

VASI Visual Approach Slope Indicator

VFR Visual Flight Rules

VHF Very High Frequency

VMC Visual Meteorological Conditions

VOLMET Meteorological Information for Aircraft in-Flight

VOR VHF Omni-directional Radio Range


ZFTT Zero Flight Time Training

ZFM Zero Fuel Mass