AIP - Airport Improvement Program - For more information contact the appropriate FAA Airport office or reference the AIP Website.
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 approval.
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 Approach
FICO - Flight Inspection Central Operations
FSDO - Flight Standards District Office
GPS - Global Positioning System
HIRL - High Intensity Runway Lights
IFP - Instrument Flight Procedure
IAWP - In accordance with published
ILS - Instrument Landing System
LAAS - Local Area Augmentation System
LIRL - Low Intensity Runway Lights
MDA - Minimum Descent Altitude
MIRL - Medium Intensity Runway Lights
NACO - National Aeronautical Charting Office
NAS - National Airspace System
NGS - National Geodetic Survey NGS Website
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.
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.
VGSI - Visual Glide Slope Indicator
VOR - Very high frequency Omni directional Range