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

66S is

  • Cavanaugh Bay Airport, Coolin, Idaho USA

66S is also in:

Acronym Definition Searched: DM 58502 IFCO OAG ORACBA IOB PH 25107 OP 3 (OC) 27411 GBE QCK SFV 78285 EIWG