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METAR Deciphered

Learn to Fly

The last four digits are the time of the METAR/SPECI, which is always given in coordinated universal time (UTC). A ā€œZā€ is appended to the end of the time to denote the time is given in Zulu time (UTC) as opposed to local time. The first two digits are the date. This METAR was issued on the 16th at 1753 Zulu.

Weather 52
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What Are NOTAMs? Notices to Air Missions Explained

Pilot Institute

The start and end dates and times are coded in YYMMDDttt format (UTC time). B) 2106231700 is the start time and date in UTC. C) 2106232300 is the end time and date in UTC. Each subject has its own FAA keyword. CLSD is the Condition: Closed. 2106231700-2106232300 is the time constraint. E) RWY 04L/22R CLSD is the NOTAM condition.

NOTAMs 52