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FAA 72NH Seaplane base

Barndoor Island Seaplane Base

Alton · New Hampshire · United States

Location

Town: Alton
Region: New Hampshire
Country: United States
Elevation: 504 ft
Latitude: 43.5539
Longitude: -71.2323

Observed traffic

Departures (30 d): 5
Arrivals (30 d): 0
All observed flights: 5
Last seen: October 24, 2026

Facility

Type: Seaplane base
Scheduled service: No
Longest runway: 4,086 ft
Also known as: —

Runways

Runway	Length	Width	Surface	Lighted	Headings
11W / 29W	4,086 ft	500 ft	WAT	No	—

Airport data from OurAirports (public domain).