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B18 Alton Bay Seaplane Base
Alton Bay, New Hampshire, USA

GOING TO ALTON BAY?


FAA INFORMATION EFFECTIVE 15 MAY 2025

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
CONr059/21.4CONCORD VOR/DME112.9015W
ENEr294/27.3KENNEBUNK VOR/DME117.1017W

 
NDB name  Hdg/Dist  Freq  Var  ID
ROLLINS327/23.626016WESG . ... --.

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 2730 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: leftleft
Obstructions: 12 ft. bldg, 161 ft. from runway, 109 ft. left of centerline, 13:1 slope to clearnone

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 AMGR 603-545-2315.
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)
3B4 - Seacoast Airfield (29 nm SE)
 
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Area around B18 (Alton Bay Seaplane Base)
 
Road maps at: MapQuest Bing Google
 
Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of B18 (Alton Bay Seaplane Base)
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
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From to B18

Sunrise and sunset
Times for 24-May-2025
 Local
(UTC-4)
 Zulu
(UTC)
Morning civil twilight04:3908:39
Sunrise05:1309:13
Sunset20:1100:11
Evening civil twilight20:4500:45

Current date and time
Zulu (UTC)  24-May-2025 05:23:14
Local (UTC-4)  24-May-2025 01:23:14
 
METAR
KLCI 
9nm NW 
240456Z AUTO 00000KT 10SM -RA BKN016 OVC027 08/07 A2977 RMK AO2 SLP084 P0002 T00780072 400940056
KDAW 
18nm SE 
240451Z AUTO 00000KT 8SM OVC002 08/08 A2977 RMK AO2 RAE19 SLP081 P0002 T00830078 401220050 $
TAF
KCON 
20nm SW 
240253Z 2403/2424 18003KT P6SM VCSH SCT009 BKN060 OVC090 FM240400 00000KT P6SM OVC008 FM240800 VRB03KT P6SM BKN025 FM241800 31010KT P6SM BKN030
NOTAMs
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