Seaplane Base
Alton Bay
Alton Bay, New Hampshire

FAA NFDC Information Effective 56-day cycle 09/14/2017 - 11/9/2017

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), [-15W (2017)]
Sectional: NEW YORK
From City: 2nm N of Alton Bay


Use: Open to the public
Airspace Analysis: CONDITIONAL
VFR Use only.
Ownership: Publicly owned
Activation: 02/1994
Control Tower: no
ARTCC: Boston Center (ZBW)
FSS: Bangor FSS (BGR)
NOTAMs and Weather: BGR NOTAM-D service at airport
Wind Indicator: Unlighted
Landing Fee: no


CTAF: 122.800
UNICOM: 122.800


Based Aircraft

Total: 0

Annual Operations

For year ending: 01/01/2016
Non-local GA: 350
Total: 350


Owner: State of New Hampshire
Public Waters of the State of Nh
Nhdot, Aeronautics, 7 Hazen Drive
Concord, Nh 03302
Manager: Paul Larochelle
P.O. Box 390
Alton Bay, Nh 03810


Runways: 01/19

Runway 01/19

Length: 2600 feet
Width: 100 feet
Surface: Water, Excellent Condition
Runway 01/19 Has Ice in Winter Plowed to Approx 2300 Ft. Check Notams for Ice Runway Conditions.
End 01 End 19
Objects:   Ground
Objects affecting Navigable Airspace (CFR part 77): Utility runway with a visual approach Utility runway with a visual approach
Object Clearance Slope: 20:1 16:1
Object Height:   150' AGL
Object Distance:   2500' Along centerline



Additional Remarks

A30-01/19-Runway 01 Threshold 100 Ft Northeast of Floating Bandstand.
Runway 01/19 Powerline Marked with Orange Balls 1000 Ft S of Threshold at S End; Less than 30 Ft Height Along Roadway.
All Seaplane Takeoffs & Landings Must be North of the Bandstand. All Travel South of the Bandstand Must not Exceed Headway Speed.
for Seaplane Parking and Ice Runway Conditions Call Airport Manager (603) 455-7817

This information is current as of the date at the top of the page. These pages are valid for all US airports, based on information from FAA National Flight Data Center. Weather information is provided based on AvnWx Data Sources. NOTAM information is from FAA's NAIMES data portal.

As with most information on this website, this page is generated based on FAA data, with automatic translations done via computer. You can also directly read the A/FD via the green icon link at the top of the page, which is the FAA text, and sometimes provides a different translation of codes. Please email me (using link at top-right of this page) if you see information which is confusing, misleading, or wrong....Or have suggestions for additions/changes.

Comments from the user community are clearly noted as such this page, are for informational purposes only, may be wrong and/or out-of-date, and must not be used as a sole source for critical decision making. See Privacy Policy and Conditions of Use.