AIP - Airport Improvement Program - For more information
contact the appropriate FAA Airport office or reference the AIP Website.
AGL - Above Ground Level
ALP - (Airport Layout Plan) - The plan of an airport
showing the layout of existing and proposed airport facilities.
ALPs are used by many organizations for planning, verifying
airport data, obstruction evaluation, project coordination,
and other studies. They also show whether the airport meets
the standards applicable to new instrument approach procedure
Certified Altimeter - Altimeter that meets flight
standards certification criteria for use as a altimeter setting
at the airport.
Convertible Special - A special instrument flight
procedure developed for a designated operator(s) according to
14 CFR 97 standards which is submitted to the FAA for conversion
into a public procedure.
DA - Decision altitude: Missed approach point
on a precision approach.
DH - Decision height: Missed approach point on
an ILS approach.
DOT - Department Of Transportation
FAA - Federal Aviation Administration
Flight Inspection - Flight Check of Instrument
FICO - Flight Inspection Central Operations
FSDO - Flight Standards District Office
GS - Glide Slope
GPS - Global Positioning System
HIRL - High Intensity Runway Lights
IFP - Instrument Flight Procedure
IAWP - In accordance with published
IFR - Instrument Flight Rules
ILS - Instrument Landing System
LAAS - Local Area Augmentation System
LIRL - Low Intensity Runway Lights
LOC - Localizer
MDA - Minimum Descent Altitude
MIRL - Medium Intensity Runway Lights
NACO - National Aeronautical Charting Office
NAS - National Airspace System
NAVAIDS - Navigational Aids
NGS - National Geodetic Survey NGS
NDB - Non-Directional Beacon
NFDC - National Flight Data Center
Non-Fed. Facility - A non-federally owned navigation
facility that meets the requirements of Title 14 U.S.C. Part 171
Obligated Airport - Any public airport having
agreements with the Federal Aviation Administration. These obligations
are in the sponsor's assurances in grant agreements under the
Airport Improvement Program (AIP) and in real property transfers
under the Surplus Property Act and other legislation. Among
the obligations is the requirement to maintain an current Airport
Layout Plan on file with the FAA.
OM - Outer marker
PFC - Passenger Facility Charge
Reimbursable Agreement - Is a contract that ensures the cost recovery of goods or services provided by the FAA. Contact the appropriate FPO for further details.
RAPT - Regional Airspace Procedures Team - is an
integrated team comprised of members from Air Traffic, Aviation
System Standards (AVN), Flight Standards, and Airports. The
RAPT evaluates customer requests that may have an impact on
airspace, airports, or flight procedures.
TERPS - U.S. Standard for Terminal Instrument
Procedures, FAA Order 8260.3B. The criteria used for development
of most instrument flight procedures in the U.S.A.
RNAV - Area navigation
VFR - Visual Flight Rules
VGSI - Visual Glide Slope Indicator
VOR - Very high frequency Omni directional Range
WAAS - Wide Area Augmentation System