AirNav: W55 - Kenmore Air Seaplane Base

W55

Kenmore Air Seaplane Base
Seattle, Washington, USA

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FAA INFORMATION EFFECTIVE 09 JULY 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 03-Aug-2026

	Local (UTC-7)	Zulu (UTC)
Morning civil twilight	05:15	12:15
Sunrise	05:50	12:50
Sunset	20:41	03:41
Evening civil twilight	21:16	04:16

Current date and time

Zulu (UTC)	03-Aug-2026 23:26:16
Local (UTC-7)	03-Aug-2026 16:26:16

METAR

KBFI 5nm S	032253Z 29007G18KT 10SM FU CLR 23/11 A3014 RMK AO2 SLP205 T02280111
KRNT 9nm SE	032253Z 33010KT 10SM CLR 23/12 A3013 RMK AO2 SLP209 T02280117
KSEA 11nm S	032253Z 01010KT 10SM SCT060 SCT250 23/11 A3015 RMK AO2 SLP215 FU SCT060 T02280106 $
KPAE 17nm N	032253Z AUTO 33009KT 10SM CLR 21/12 A3017 RMK AO2 SLP217 T02060117
KPWT 18nm SW	032256Z AUTO 06009KT 10SM CLR 23/11 A3015 RMK AO2 SLP214 T02280111 PNO $

TAF

KBFI 5nm S	031733Z 0318/0418 34005KT P6SM SKC FM032100 34008G17KT P6SM SKC FM040200 32006KT P6SM SKC FM040600 00000KT P6SM SKC FM041600 35004KT P6SM SKC
KSEA 11nm S	032101Z 0321/0424 36009KT P6SM SKC FM032300 36011G20KT P6SM SKC FM040500 02010KT P6SM SKC FM041100 02007KT P6SM SKC FM041800 35007KT 6SM HZ SKC TEMPO 0420/0424 4SM FU
KPAE 17nm N	031733Z 0318/0418 35006KT P6SM OVC050 FM031900 34008KT P6SM OVC050 FM040300 35005KT P6SM SKC FM041200 01003KT P6SM SKC
KPWT 18nm SW	031733Z 0318/0418 05012KT P6SM SKC FM040400 05009KT P6SM SKC FM040700 06006KT P6SM SKC FM041600 05012G20KT P6SM SKC

NOTAMs

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