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Aeronautical Information Manual (AIM), page 724

Pilot/Controller Glossary 5/26/16


WORDS TWICE-
a. As a request: "Communication is difficult.
Please say every phrase twice."
b. As information: "Since communications are
difficult, every phrase in this message will be spoken
twice."

12/10/15

WS-
(See SIGMET.)
(See WEATHER ADVISORY.)
WST-
(See CONVECTIVE SIGMET.)
(See WEATHER ADVISORY.)


PCG W-2

Page 724 of the Aeronautical Information Manual (AIM.pdf)
AIM: Official Guide to Basic Flight Information and ATC Procedures

Index   723 -- Page 724 -- 725