AirNav: W55 - Kenmore Air Seaplane Base

W55

Kenmore Air Seaplane Base
Seattle, Washington, USA

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FAA INFORMATION EFFECTIVE 03 SEPTEMBER 2026

Location

FAA Identifier:	W55
Lat/Long:	47-37-44.3530N 122-20-19.4560W 47-37.739217N 122-20.324267W 47.6289869,-122.3387378 (estimated)
Elevation:	14 ft. / 4 m (estimated)
Variation:	20E (1985)
From city:	1 mile N of SEATTLE, WA
Time zone:	UTC -7 (UTC -8 during Standard Time)
Zip code:	98109

Seaplane Base Operations

Seaplane Base use:	Open to the public
Activation date:	09/1947
Control tower:	no
ARTCC:	SEATTLE CENTER
FSS:	SEATTLE FLIGHT SERVICE STATION
NOTAMs facility:	SEA (NOTAM-D service available)
Attendance:	DAWN-DUSK
Wind indicator:	yes
Segmented circle:	no
Landing fee:	no, $150 TRANSIT DOCKING FEE.
International operations:	customs landing rights airport

Seaplane Base Communications

CTAF:	122.9
WX ASOS at BFI (6 nm S):	PHONE 206-658-6435
WX ASOS at RNT (10 nm SE):	126.95 (425-255-6080)
WX ASOS at SEA (11 nm S):	PHONE 206-214-2592
WX ASOS at PAE (17 nm N):	PHONE 425-355-6192
WX AWOS-3PT at S50 (19 nm S):	118.050 (253-802-0933)
WX AWOS-3PT at PWT (19 nm SW):	121.2 (360-674-2811)

Nearby radio navigation aids

VOR radial/distance		VOR name		Freq		Var
SEAr335/11.7		SEATTLE VORTAC		116.80		19E
PAEr168/17.6		PAINE VOR/DME		110.60		20E

Seaplane Base Services

Bottled oxygen:	NONE
Bulk oxygen:	NONE

Runway Information

Runway 16W/34W

Dimensions:	5000 x 500 ft. / 1524 x 152 m
Surface:	water
	RUNWAY 16W	RUNWAY 34W
Traffic pattern:	left	left

Seaplane Base Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	GREEN HORNET ENTERPRISES LLC, ET AL P O BOX 82064 KENMORE, WA 98028 Phone 425-486-1257 OWNERS: GREEN HORNET ENTERPRISES LLC AND MUNRO BANKS HOLDCO INC.
Manager:	SARAH FELLER 950 WESTLAKE AVENUE N SEATTLE, WA 98109 Phone 425-486-1257 EXTN 2240.

Additional Remarks

-	APCH SURFACE DATA NOT CHECKED.
-	FUEL AVBL EMERG ONLY.
-	KENMORE AIR LAKE UNION DOCK FREQ 130.30.
-	FOR CD CTC SEATTLE APCH AT 206-214-4722.
-	FIVE TEMPO BUOYS HAVE BEEN PLACED ALONG THE NORTH-SOUTH CNTRLN OF LAKE UNION, EACH SEPARATED BY APPROXIMATELY 750FT, AND MARK THE APRX LOCATION OF THE PREFERRED SEAPLANE OPR AREA. THE BUOYS HAVE A YELLOW FLASHING LIGHT THAT CAN BE ACTVT BY FIVE CLICKS ON 122.9, TO ALERT BOATERS OF AN IMPENDING SEAPLANE TKOF OR LANDING. RUN TIME ON THE LIGHTS IS 60 SECONDS. THE BUOY/LIGHT SYSTEM IS ADVISORY ONLY, AND BOATERS ARE NOT REQUIRED TO CLEAR THE AREA. THE BUOYS WILL BE REMOVED WITHIN FIVE DAYS FOLLOWING LABOR DAY, OR EARLIER.
-	INCRD BOATING OPNS ON LAKE MAY 15 THRU SEP 15.
-	SPECIAL NOISE ABATEMENT RULES IN EFFECT CONTACT OPERATOR FOR PATTERN INFORMATION.
-	KITE FLYING IN PUBLIC PARK AT N END OF ARPT AND UAVS OPERATING AT THE N AND S ENDS.
-	NIGHT LANDINGS NOT RECOMMENDED DUE TO UNLIGHTED SMALL WATERCRAFT.
-	DO NOT TAXI CLOSER THAN 200 FT FM SHORELINE EXCP IN CLOSE PROXIMITY TO KENMORE AIR HARBOR.
-	ALL TAKEOFFS & LANDINGS IN CENTER OF LAKE.
-	WHEN CONSISTENT WITH SAFETY, AVOID 'ON THE STEP' OPERATIONS SOUTH AND WEST OF RED BUOY.
-	CALL 425-486-1257 X2010 FOR APVL AT LEAST 3 HRS PRIOR TO ARR. DOCKING FEE.

Instrument Procedures

There are no published instrument procedures at W55.

Some nearby airports with instrument procedures:

KBFI - Boeing Field/King County International Airport (6 nm S)
KRNT - Renton Municipal Airport (10 nm SE)
KSEA - Seattle-Tacoma International Airport (11 nm S)
KPAE - Seattle Paine Field International Airport (17 nm N)
S50 - Auburn Municipal Airport (19 nm S)
S43 - Harvey Field Airport (19 nm NE)
KPWT - Bremerton National Airport (19 nm SW)

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Area around W55 (Kenmore Air Seaplane Base)

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Aerial photo
WARNING: Photo may not be current or correct Photo taken 24-Jan-2007 Do you have a better or more recent aerial photo of Kenmore Air Seaplane Base that you would like to share? If so, please send us your photo.

Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 22-Sep-2026

	Local (UTC-7)	Zulu (UTC)
Morning civil twilight	06:26	13:26
Sunrise	06:57	13:57
Sunset	19:07	02:07
Evening civil twilight	19:38	02:38

Current date and time

Zulu (UTC)	23-Sep-2026 04:51:25
Local (UTC-7)	22-Sep-2026 21:51:25

METAR

KBFI 5nm S	230353Z 00000KT 10SM CLR 17/09 A3006 RMK AO2 SLP177 T01720089
KRNT 9nm SE	230353Z 20003KT 10SM CLR 17/10 A3006 RMK AO2 SLP183 T01670100
KSEA 11nm S	230353Z 20004KT 10SM FEW050 FEW080 BKN230 16/08 A3007 RMK AO2 SLP188 T01610083 $
KPAE 17nm N	230353Z AUTO 02006KT 10SM CLR 14/08 A3007 RMK AO2 SLP182 T01440083
KPWT 18nm SW	230356Z AUTO 00000KT 10SM CLR 13/09 A3007 RMK AO2 SLP184 T01330089 $

TAF

KBFI 5nm S	221720Z 2218/2318 29008KT P6SM BKN015 BKN035 FM221900 29008KT P6SM BKN035 FM222100 22005KT P6SM BKN045 BKN200 FM230600 20005KT P6SM SCT100 BKN200 FM231100 17004KT P6SM SCT045 BKN060 FM231400 15004KT P6SM SCT030 BKN060
KSEA 11nm S	222123Z 2221/2324 21008KT P6SM FEW028 BKN040 FM230600 20006KT P6SM SCT100 BKN200 FM231400 17005KT P6SM SCT025 BKN060 FM232100 21005KT P6SM OVC100
KPAE 17nm N	221720Z 2218/2318 35006KT P6SM FEW004 OVC040 FM222000 30007KT P6SM BKN035 BKN200 FM230100 01005KT P6SM BKN200 FM231000 18006KT P6SM BKN070 FM231400 18003KT P6SM OVC045
KPWT 18nm SW	221720Z 2218/2318 20003KT P6SM BKN020 FM222100 21007KT P6SM SCT035 BKN200 FM230600 21003KT P6SM SCT100 BKN200 FM231100 22004KT P6SM SCT022 BKN045 FM231300 20002KT P6SM OVC015

NOTAMs

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