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20G |
Ashtabula Coast Guard Station / Weather Observation Station, Ashtabula, Ohio USA |
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20J |
Jonesport United States Coast Guard Station / MArine Reporting Station, West Jonesport, Maine USA |
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20K |
Quail Creek Airport, Quail Creek, Alaska USA |
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20LA |
South Louisiana Medical Center Airport, Houma, Louisiana USA |
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20M |
Macon Municipal Airport, Macon, Mississippi USA |
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20MA |
WCVB-TV Channel 5 Heliport, Needham, Massachusetts USA |
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20N |
Kingstown-Ulster Airport, Kingstown, New York USA |
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20R |
Crystal City Municipal Airport, Crystal City, Texas USA |
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20S |
Boneville Dam United States Army Corps of Engineers Weather Observation Station, Bonneville, Oregon USA |
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20TN |
Knox County Sheriff's Office Heliport, Knoxville, Tennessee USA |
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20TX |
Sid Peterson Memorial Hospital Heliport, Kerrville, Texas USA |
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20U |
Beach Airport, Beach, North Dakota USA |
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20V |
McElroy Airfield Airport, Kremmling, Colorado USA |
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21B |
Mount Desert Coast Guard Lifesaving Station / Weather Observation Station, Southwest Harbor, Maine USA |
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21C |
Sheboygan Coast Guard Station / Weather Observation Station, Sheboygan, Wisconsin USA |
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21CL |
Sheriff's Heliport, Lancaster, California USA |
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21D |
Lake Elmo Airport, Lake Elmo, Minnesota USA |
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21F |
Jacksboro Municipal Airport, Jacksboro, Texas USA |
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21G |
Marblehead Coast Guard Station / Weather Observation Station, Marblehead, Ohio USA |
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21GA |
Humana Hosital Newnan Heliport, Newnan, Georgia USA |
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21H |
Skyline Seaplane Base, Anacortes, Washington USA |
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21M |
Curriers Seaplane Base, Greenville Junction, Maine USA |
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21MN |
Amundson Seaplane Base, Orono/Lake Minnetonka, Minnesota USA |
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21N |
Mattituck Airport, Mattituck, New York USA |
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21U |
Swenson Airport, Belfield, Indiana USA |
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| New: We also know Zip Codes FYI! |
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