Seaplane Base
Alton Bay
Alton Bay, New Hampshire

FAA NFDC Information Effective 56-day cycle 09/07/2023 - 11/2/2023

Ops Comms Services Owner Runways IFR Procs Current NOTAMs Remarks


FAA Identifier:B18 (Bravo-One-Eight)
Lat/Lng:43.4775833333, -71.237
43-28-39.3000N, 071-14-13.2000W
Elevation:504 feet Estimated
Magnetic Variation:16W,(1990), [-14W (2023)]
Sectional:NEW YORK
From City:2nm N of Alton Bay


Use:Open to the public
Airspace Analysis:CONDITIONAL
VFR Use only.
Ownership:Publicly owned
Control Tower:no
ARTCC:Boston(ZBW)Boston Center
NOTAMs and Weather:BGRNOTAM-D service at airport
Wind Indicator:Unlighted
Landing Fee:no




Based Aircraft


Annual Operations

For year ending:01/01/2019
Non-local GA:350


Owner:State of New Hampshire
Public Waters of the State of Nh.
Nhdot, Aeronautics, 7 Hazen Dr
Concord, Nh 03302
Manager:Jason Leavitt
7 Hazen Dr, Po Box 483
Concord, Nh 03302



Runway 01W/19W

Length:2600 feet
Width:100 feet
Surface:Water, Excellent Condition
Runway 01W/19W Has Ice in Winter Plowed to Aprxly 2730 ft. Ck Notams for Ice Runway Conds.
Surface Treatment:NONE
End 01W End 19W
Objects affecting Navigable Airspace (CFR part 77):Utility runway with a visual approachUtility runway with a visual approach
Object Clearance Slope:13:120:1
Object Height:12' AGL 
Object Distance:161' Along centerline
109' Left of centerline



Additional Remarks

A30-01W/19W-Runway 01W Threshold Aprxly 100 ft NE of Floating Bandstand.
Runway 01W/19W Pwrline Marked with Orange Balls 1000 ft S of Threshold at S End; Less than 30 ft Hgt Alg Roadway.
All Seaplane Tkofs & Ldgs Must be N of the Bandstand. All Tvl S of the Bandstand Must not Exceed Headway Spd.
for Seaplane Prkg & Ice Runway Conds Call Airport Manager 603-545-2315.
for Cd Contact Boston Approach 603-594-5552.
Takeoff & Landing Using Runway 19W Prohibited Jan - Mar.

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