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The meaning of the Acronym 21B is...
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21B
21B is
Mount Desert Coast Guard Lifesaving Station / Weather Observation Station, Southwest Harbor, Maine USA
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Airport Codes
Acronym Definition Searched:
01899
YM
24856
TWW
CCE
EPI
QCH
26586
SCAPCA
INMG
ISCO
NAM
FAH
DG
QEN
