Airport codes Abbreviations and Acronyms
- 6M8Marked Tree Municipal Airport, Marked Tree, Arkansas USA
- 6MN5Mahnomen County Airport, Mahnomen, Minnesota USA
- 6MOWashington County Airport, Potosi, Missouri USA
- 6N4Pan Am Metroport Heliport, New York City, New York USA
- 6N5East 34th Street Heliport, New York City, New York USA
- 6N6Evers Seaplane Base, New York City, New York USA
- 6N7New York Skyports, Inc., Seaplane Base, New York City, New York USA
- 6N8Thomas County Airport, Thedford, Nebraska USA
- 6N9Flying W Airport, Potters Hill, North Carolina USA
- 6ND5Hebron Municipal Airport, Hebron, North Dakota USA
- 6R1Welsh Airport, Welsh, Louisiana USA
- 6R3Cleveland Municipal Airport, Cleveland, Texas USA
- 6R4Bird's Nest Airport, Austin, Texas USA
- 6R5Alvin Airpark Airport, Alvin, Texas USA
- 6R6Terrell County Airport, Dryden, Texas USA
- 6R7Old Harbor Airport, Old Harbor, Alaska USA
- 6R9Llano Municipal Airport, Llano, Texas USA
- 6S0Big Timber Airport, Big Timber, Montana USA
- 6S1Bridger Municipal Airport, Bridger, Montana USA
- 6S2Florence Municipal Airport, Florence, Oregon USA
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