AirNav: B18 - Alton Bay Seaplane Base

B18

Alton Bay Seaplane Base
Alton Bay, New Hampshire, USA

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FAA INFORMATION EFFECTIVE 09 JULY 2026

Location

FAA Identifier:	B18
Lat/Long:	43-28-39.3000N 071-14-13.2000W 43-28.655000N 071-14.220000W 43.4775833,-71.2370000 (estimated)
Elevation:	504 ft. / 154 m (estimated)
Variation:	16W (1990)
From city:	2 miles N of ALTON BAY, NH
Time zone:	UTC -4 (UTC -5 during Standard Time)
Zip code:	03809

Seaplane Base Operations

Seaplane Base use:	Open to the public
Activation date:	02/1994
Control tower:	no
ARTCC:	BOSTON CENTER
FSS:	BANGOR FLIGHT SERVICE STATION
NOTAMs facility:	BGR (NOTAM-D service available)
Attendance:	UNATNDD
Wind indicator:	yes
Segmented circle:	no

Seaplane Base Communications

CTAF/UNICOM:	122.8
WX AWOS-3PT at LCI (10 nm NW):	133.525 (603-524-5134)
WX ASOS at DAW (18 nm SE):	135.275 (603-332-7814)

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
CONr059/21.4		CONCORD VOR/DME		112.90		15W
ENEr294/27.3		KENNEBUNK VOR/DME		117.10		17W

NDB name		Hdg/Dist		Freq		Var		ID
ROLLINS		327/23.6		260		16W		ESG	. ... --.

Seaplane Base Services

Runway Information

Runway 1W/19W

Dimensions:	2600 x 100 ft. / 792 x 30 m
Surface:	water, in excellent condition RWY 01W/19W HAS ICE IN WINTER PLOWED TO APRXLY 2600 FT. CK NOTAMS FOR ICE RWY CONDS.
Operational restrictions:	RWY 01W THLD APRXLY 100 FT NE OF FLOATING BANDSTAND.
	RUNWAY 1W	RUNWAY 19W
Traffic pattern:	left	left
Obstructions:	26 ft. pole, 100 ft. from runway, 119 ft. left of centerline, 3:1 slope to clear	none

Seaplane Base Ownership and Management from official FAA records

Ownership:	Publicly-owned
Owner:	STATE OF NEW HAMPSHIRE NHDOT, AERONAUTICS, 7 HAZEN DR CONCORD, NH 03302 Phone 603-271-2552 PUBLIC WATERS OF THE STATE OF NH.
Manager:	JASON LEAVITT 7 HAZEN DR, PO BOX 483 CONCORD, NH 03302 Phone 603-545-2315

Additional Remarks

-	RWY 01W/19W PWRLINE MKD WITH ORANGE BALLS 1000 FT S OF THR 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 RWY CONDS CALL 603-271-7398.
-	FOR CD CTC BOSTON APCH 603-594-5552.
-	TKOF & LDG USING RWY 19W PROHIBITED JAN - MAR.

Instrument Procedures

There are no published instrument procedures at B18.

Some nearby airports with instrument procedures:

KLCI - Laconia Municipal Airport (10 nm NW)
KDAW - Skyhaven Airport (18 nm SE)
KCON - Concord Municipal Airport (20 nm SW)
KSFM - Sanford Seacoast Regional Airport (24 nm E)
KPSM - Portsmouth International Airport at Pease (30 nm SE)

Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes

Area around B18 (Alton Bay Seaplane Base)

Road maps at: MapQuest Bing Google

Aerial photo
WARNING: Photo may not be current or correct Photo by David Newcomer Photo taken 05-Feb-2017 looking north from 5,000'. Do you have a better or more recent aerial photo of Alton Bay Seaplane Base that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
Flying to Alton Bay Seaplane Base? Find the distance to fly. From to B18

Sunrise and sunset

Times for 27-Jul-2026

	Local (UTC-4)	Zulu (UTC)
Morning civil twilight	04:57	08:57
Sunrise	05:30	09:30
Sunset	20:13	00:13
Evening civil twilight	20:46	00:46

Current date and time

Zulu (UTC)	28-Jul-2026 00:31:55
Local (UTC-4)	27-Jul-2026 20:31:55

METAR

KLCI 9nm NW	272356Z AUTO 17008KT 10SM FEW085 25/15 A2977 RMK AO2 SLP078 T02500150 10300 20250 55000 PWINO $
KDAW 18nm SE	272351Z AUTO 17003KT 10SM CLR 21/09 A2980 RMK AO2 SLP086 T02060094 10294 20206 53006 $

TAF

KCON
20nm SW

271755Z 2718/2818 15006KT P6SM FEW060 FM280100 14003KT P6SM FEW250 FM281000 VRB02KT 4SM BR BKN007 FM281300 17005KT P6SM BKN007 FM281500 17007G15KT P6SM BKN014

NOTAMs

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Other Pages about Alton Bay Seaplane Base

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