The Irishman filmed at Brookhaven Calabro Airport, Shirley. Frank takes off from this small airfield on the east end of Long Island, bound for Detroit. On screen it's Fort Clinton airfield.
Probable Named in published production coverage; the coordinate is the place itself, checked against a gazetteer.
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Venture keeps every scene location on one map, sorted by how far you'd have to walk. Open it in Shirley and it tells you what was shot around you, how to get there, and whether you can actually go in.
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