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Appendix 1 

APPENDIX 1. ACRONYMS AND ABBREVIATIONS 

This appendix contains acronyms and abbreviations for both old as well as new General Aviation terms that are 

used throughout this Handbook. Inspectors can refer to the following alphabetical listing of frequently used 

acronyms and abbreviations and their meanings when using this Handbook. 

14 CFR Title 14 of the Code of Federal Regula- tions 

49 U.S.C. Title 49 of the United States Code

A/FD Airport/Facility Directory

AC Advisory Circular

ACCSS air carrier cabin safety specialists

ACE aerobatic competency evaluator

ACO Aircraft Certification Office 

ACR airman certification representative

ADF automatic direction finding

AFSS automated flight service station

AFTN aeronautical fix telecommunication

AH alert height

AGL above ground level

AIDS Accident Incident Data Subsystem

AIP Aeronautical Information Publication

ARFF Aircraft Rescue and Fire Fighting Equip- ment 

ASI aviation safety inspector

AST aviation safety technician

ATC air traffic control

ATP airline transport pilot

ATPE airline transport pilot examiner 

BFA Balloon Federation of America 

CAN Center Area NOTAM 

CAR Civil Air Regulations 

CASFO Civil Aviation Security Field Office

CE commercial pilot examiner

CFI certificated flight instructor

CHDO certificate holding district office

CIRE commercial and instrument rating exam- iner 

CMO Certificate Management Office 

CPL commercial pilot license

CPM certification project manager 

CRW canopy relative work 

DH decision height

CTA control areas

DME distance measuring equipment

DOD Department of Defense

DPE designated pilot examiner

EAA Experimental Aircraft Association

EIR Enforcement Investigation Report

EIS Enforcement Information Subsystem

FAA Federal Aviation Administration

FCC Federal Communications Commission

FD flight director

FDC flight data center

FIE flight instructor examiner

FIR flight information regions

FIRC flight instructor refresher clinic

FL flight level 

FM flight manual 

FMCS flight management computer systems

FMS flight management system 

Appendix 1-1 
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Appendix 1 

APPENDIX 1. ACRONYMS AND ABBREVIATIONS—Continued 

FOI fundamentals of instructing 

FSAS Flight Standards Automation System

FSDO Flight Standards District Office

FSS flight service station

FTD flight training device

GPS global positioning system 

GSGC Ground School Graduation Certificate 

GTD ground training device

HAZMAT hazardous material 

HF high frequency

HUD heads-up display

IAP instrument approach procedures

ICAO International Civil Aviation Organization

ICAS International Council of Air Shows

IFO International Field Office

IFP Instrument Foreign Pilot

IFR instrument flight rules

IGA international general aviation 

IIC inspector-in-charge 

ILS instrument landing system

IMC instrument meteorological conditions

INS inertial navigation system

IRA Instrument Rating Airplane

IRS inertial reference systems

ISIS Integrated Safety Information Subsystem

ISS inertial sensor system 

JAR Joint Airworthiness Requirements 

LAHSO land-and-hold-short operations

LOA letter of authorization 

LORAN long-range navigation

LRN long-range navigation

LRNS long-range navigation system

MC/FPE military competency/foreign pilot exam- iner 

MEL minimum equipment list 

MLS microwave landing system

MNPS Minimum Navigation Performance Spec- ification 

MSL mean sea level 

NAS National Airspace System

NAT North Atlantic

navaid navigational aid

NDB nondirectional beacon

NDPER National Designated Pilot Examiner

Registry 

NEB National Examiner Board

NFDC National Flight Data Center

NM nautical miles

NOTAM Notice to Airmen

NTSB National Transportation Safety Board

OCA oceanic control areas

OJT on-the-job training

PAI principal avionics inspector

PCA primary category aircraft

PE private pilot examiner

PIC pilot-in-command

POI principal operations inspector

PPE proficiency pilot examiner

PPM PTRS Procedures Manual

Appendix 1-2 
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Appendix 1 

APPENDIX 1. ACRONYMS AND ABBREVIATIONS—Continued 

PTRS Program Tracking and Reporting Subsystem 

PTS practical test standards 

RAIM receiver autonomous integrity moni- toring 

RVR runway visual range

RVSM Reduced Vertical Separation Minimum

SA selective availability

SFAR Special Federal Aviation Regulations

SIC second-in-command

SODA Statement of Demonstrated Ability

SOIR simultaneous operations on intersecting runways (replaced by LAHSO) 

SPG Special Planning Group 

STC supplemental type certificate 

TAF terminal weather forecasts 

TC type certification 

TCDS type certificate data sheet 

TCE training center evaluator

TCO training course outline

TSO technical standard order

USNOF United States NOTAM Office 

USPA United States Parachute Association 

VFR visual flight rules

VHF very high frequency

VIS Vital Information Subsystem VLA

VLF very low frequency 

VMC minimum controllable airspeed 

VMC visual meteorological conditions 

VOR VHF omni-directional radio range 

VREF approach speed

Appendix 1-3 
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Appendix 1

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Appendix 1-4