APPENDIX A

ACRONYMS

AC        Advisory Circular

AWOS      Automated Weather Observing System

DCP       Data Collection Package

DOC       Department of Commerce

DOD       Department of Defense 

DOT       Department of Transportation

FAA       Federal Aviation Administration

FAR       Federal Aviation Regulations

ILS       Instrument Landing System

MLS       Microwave Landing System

MSL       Mean Sea Level

NWS       National Weather Service 

OE/AAA    Obstruction Evaluation/Airport Airspace Analysis

OFCM      Office of the Federal Coordinator for Meteorological Services and
          Supporting Research

TERPS     Terminal Instrument Approved Procedures

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