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

ORDER
JO 7340.2D
Effective Date:
April 3, 2014
 
     

Subject:  Contractions
       Includes: Change 1 effective 8/22/13, Change 2 effective 12/12/13, and Change 3 effective
       4/3/14
 
 

[Back to Section 1. Decode]

Z

Contraction

Definition

Usage

Z

Greenwich Mean Time

GEN

Z

jet terminal area

ATC

ZI

zonal index

NWS

ZI

zone of interior

NWS

ZM

Z marker (VHF station location marker)

GEN

ZRNO

freezing rain information not available (weather reports only)

NWS

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