Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 4R1 is...

4R1 is

  • I. H. Bass Jr. Memorial Airport, Lumberton, Mississippi USA

4R1 is also in:

Acronym Definition Searched: OE 68458 MPC AE SISC E413 TJ ARPAS OSAS NSA BTSC GETS HA TOPP PPF