Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 4M9 is...

4M9 is

  • Corning Municipal Airport, Corning, Arkansas USA

4M9 is also in:

Acronym Definition Searched: SAF AP 74032 TGM MIDI 46327 QF NXC BYP VSV JHI CA MJCA FYR WGF