AIM
7/26/12
Appendix 4
−
2
Abbreviations/Acronyms
Abbreviation/
Acronym
Meaning
DH ........
Decision Height
DME.......
Distance Measuring Equipment
DME/N
.....
Standard DME
DME/P
.....
Precision DME
DOD .......
Department of Defense
DP ........
Instrument Departure Procedure
DPU .......
Data Processor Unit
DRT .......
Diversion Recovery Tool
DRVSM ....
Domestic Reduced Vertical Separation
Minimum
DUATS.....
Direct User Access Terminal System
DVA .......
Diverse Vector Area
DVFR
......
Defense Visual Flight Rules
DVRSN
....
Diversion
EDCT
......
Expect Departure Clearance Time
EFAS ......
En Route Flight Advisory Service
EFV .......
Enhanced Flight Visibility
EFVS
......
Enhanced Flight Vision System
ELT........
Emergency Locator Transmitter
EMAS
.....
Engineered Materials Arresting System
EPE .......
Estimate of Position Error
ESV .......
Expanded Service Volume
ETA .......
Estimated Time of Arrival
ETD .......
Estimated Time of Departure
ETE .......
Estimated Time En Route
EWINS
.....
Enhanced Weather Information System
EWR.......
Newark International Airport
FA.........
Area Forecast
FAA .......
Federal Aviation Administration
FAF........
Final Approach Fix
FAROS
.....
Final Approach Runway Occupancy Signal
FAWP ......
Final Approach Waypoint
FB.........
Fly
−
by
FCC .......
Federal Communications Commission
FD ........
Flight Director System
FDC .......
Flight Data Center
FDE .......
Fault Detection and Exclusion
FIR ........
Flight Information Region
FIS ........
Flight Information Service
FISDL
.....
Flight Information Services Data Link
FLIP
.......
Flight Information Publication
FMS .......
Flight Management System
FMSP
......
Flight Management System Procedure
FO ........
Fly
−
over
FPA........
Flight Path Angle
FPV .......
Flight Path Vector
FPNM
......
Feet Per Nautical Mile
Abbreviation/
Acronym
Meaning
FSDO
......
Flight Standards District Office
FSS ........
Flight Service Station
GBAS
......
Ground Based Augmentation System
GEO .......
Geostationary Satellite
GLS .......
GBAS Landing System
GNSS
......
Global Navigation Satellite System
GNSSP
.....
Global Navigation Satellite System Panel
GPS .......
Global Positioning System
GRI........
Group Repetition Interval
GSD .......
Geographical Situation Display
GUS .......
Ground Uplink Station
HAT .......
Height Above Touchdown
HDTA......
High Density Traffic Airports
HEMS
.....
Helicopter Emergency Medical Services
HIRL
......
High Intensity Runway Lights
HIWAS .....
Hazardous Inflight Weather Advisory
Service
HRR .......
Helicopter Rapid Refueling Procedures
HUD .......
Head
−
Up Display
Hz .........
Hertz
IAF ........
Initial Approach Fix
IAP ........
Instrument Approach Procedure
IAS ........
Indicated Air Speed
IAWP ......
Initial Approach Waypoint
ICAO
......
International Civil Aviation Organization
IF .........
Intermediate Fix
IFIM
.......
International Flight Information Manual
IFR ........
Instrument Flight Rules
ILS ........
Instrument Landing System
ILS/PRM . . .
Instrument Landing System/Precision
Runway Monitor
IM.........
Inner Marker
IMC .......
Instrument Meteorological Conditions
InFO
.......
Information For Operators
INS ........
Inertial Navigation System
IOC........
Initial Operational Capability
IR .........
IFR Military Training Route
IRU........
Inertial Reference Unit
ITWS
......
Integrated Terminal Weather System
JFK ........
John F. Kennedy International Airport
kHz ........
Kilohertz
LAA .......
Local Airport Advisory
LAAS
......
Local Area Augmentation System
LAHSO
....
Land and Hold Short Operations
LAWRS ....
Limited Aviation Weather Reporting
Station
LDA .......
Localizer Type Directional Aid