Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 66Y is...

66Y is

  • Diamondhead Airport, Diamondhead, Mississippi USA

66Y is also in:

Acronym Definition Searched: NAVBC AO 28329 SC WR RTCP FG GAC PEACE 45848 MDFR GBI KCA 64676 EPIC