AirNav: W55 - Kenmore Air Seaplane Base

W55

Kenmore Air Seaplane Base
Seattle, Washington, USA

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FAA INFORMATION EFFECTIVE 19 MARCH 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 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)

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

Area around W55 (Kenmore Air Seaplane Base)

Road maps at: MapQuest Bing Google

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 05-Apr-2026

	Local (UTC-7)	Zulu (UTC)
Morning civil twilight	06:09	13:09
Sunrise	06:41	13:41
Sunset	19:43	02:43
Evening civil twilight	20:15	03:15

Current date and time

Zulu (UTC)	05-Apr-2026 17:37:57
Local (UTC-7)	05-Apr-2026 10:37:57

METAR

KBFI 5nm S	051653Z 04004KT 10SM CLR 11/07 A3015 RMK AO2 SLP208 T01110067 $
KRNT 9nm SE	051653Z 35010KT 10SM CLR 11/07 A3014 RMK AO2 SLP210 T01110072
KSEA 11nm S	051653Z 36012KT 10SM BKN230 11/07 A3013 RMK AO2 SLP210 T01110067 $
KPAE 17nm N	051653Z 36010KT 10SM CLR 09/06 A3015 RMK AO2 SLP212 T00940061
KPWT 18nm SW	051656Z AUTO 04012KT 10SM CLR 12/07 A3013 RMK AO2 SLP208 T01220067 PNO $

TAF

KBFI 5nm S	051120Z 0512/0612 35003KT P6SM SKC FM051800 35009KT P6SM SCT200 FM060300 32004KT P6SM SCT250 FM060900 VRB03KT P6SM SCT250
KSEA 11nm S	051505Z 0515/0618 01011KT P6SM BKN200 FM052100 36009KT P6SM SCT200 FM060300 01005KT P6SM SCT200 FM060900 VRB02KT P6SM SCT150 FM061500 18003KT P6SM SCT150
KPAE 17nm N	051120Z 0512/0612 35005KT P6SM SKC FM051700 35006KT P6SM SCT200 FM060300 VRB03KT P6SM SCT250 FM060600 00000KT P6SM SCT200
KPWT 18nm SW	051120Z 0512/0612 05009KT P6SM SKC FM051700 04013KT P6SM SCT200 FM052100 03008KT P6SM SCT250 FM060300 VRB03KT P6SM SCT250

NOTAMs

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