U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
Air Traffic Organization Policy

ORDER
JO 7340.2E
Effective Date:
July 24, 2014
 
     

Subject:  Contractions

 

Chapter 2. UNITED STATES OF AMERICA
AERONAUTICAL CONTRACTIONS

 

Section 2. Encode

EXPLANATION OF CODES

GEN - Indicates general aeronautical usage.

NWS - Indicates National Weather Service and aeronautical weather usage.

ATC - Indicates Air Traffic Control usage.

ICAO - Indicates International Civil Aviation Organization usage.  International messages should use these.

METAR/TAF - Indicates ICAO weather usage.

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