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What does 21M Stand For in Airports & Locations ?
For 21M we have found 2 definitions.
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What does 21M mean? We know 2 definitions for 21M abbreviation or acronym in 1 categories. Possible 21M meaning as an acronym, abbreviation, shorthand or slang term vary from category to category. Please look for them carefully.
21M Stands For:
Rank | Abbreviation | Meaning | |
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***** | 21M | Currier's Seaplane Base |