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69WT Quartermaster Harbor Seaplane Base
Vashon, Washington, USA

FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025

Location

FAA Identifier: 69WT
Lat/Long: 47-23-34.3320N 122-27-37.5840W
47-23.572200N 122-27.626400W
47.3928700,-122.4604400
(estimated)
Elevation: 0 ft. / 0 m (estimated)
From city: 3 miles S of VASHON, WA
Time zone: UTC -8 (UTC -7 during Daylight Saving Time)
Zip code: 98070

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 04/2021
Control tower: no
ARTCC: SEATTLE CENTER
FSS: SEATTLE FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Seaplane Base Communications

CTAF: 122.9
WX ASOS at SEA (7 nm NE): PHONE 206-214-2592
WX ASOS at TIW (9 nm SW): PHONE 253-858-6507
WX ASOS at BFI (10 nm NE): PHONE 206-658-6435
WX ASOS at RNT (12 nm NE): 126.95 (425-255-6080)
WX AWOS-3PT at PWT (14 nm NW): 121.2 (360-674-2811)
WX ASOS at TCM (15 nm S): PHONE 253-982-3434
WX AWOS-3 at PLU (19 nm S): 128.575 (253-848-2748)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
SEAr228/6.6SEATTLE VORTAC116.8019E
OLMr016/31.0OLYMPIA VORTAC113.4019E
PAEr173/32.5PAINE VOR/DME110.6020E

Seaplane Base Services

Runway Information

Runway 4W/22W

Dimensions: 5637 x 200 ft. / 1718 x 61 m
Surface: water
RUNWAY 4W  RUNWAY 22W
Latitude: 47-23.712583N47-24.191400N
Longitude: 122-27.667783W122-26.498400W
Elevation: 0.0 ft.0.0 ft.
Traffic pattern: rightleft

Runway 15W/33W

Dimensions: 4226 x 200 ft. / 1288 x 61 m
Surface: water
RUNWAY 15W  RUNWAY 33W
Latitude: 47-24.100790N47-23.430590N
Longitude: 122-26.806800W122-26.535000W
Elevation: 0.0 ft.0.0 ft.
Traffic pattern: rightleft

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: KEVAN YALOWITZ
9745 SW HARBOR DR
VASHON, WA 98070
Phone 2026412050
Manager: KEVAN YALOWITZ
9745 SW HARBOR DR
VASHON, WA 98070
Phone 2026412050
KEVAN@KEVANYALOWITZ.COM

Instrument Procedures

There are no published instrument procedures at 69WT.

Some nearby airports with instrument procedures:

KSEA - Seattle-Tacoma International Airport (7 nm NE)
KTIW - Tacoma Narrows Airport (9 nm SW)
S50 - Auburn Municipal Airport (10 nm E)
KBFI - Boeing Field/King County International Airport (10 nm NE)
KRNT - Renton Municipal Airport (12 nm NE)
KPWT - Bremerton National Airport (14 nm NW)
KTCM - McChord Field Airport (Joint Base Lewis-McChord) (15 nm S)
KPLU - Pierce County Airport/Thun Field (19 nm S)
KGRF - Gray Army Airfield (Joint Base Lewis-McChord) (19 nm S)
  
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Aerial photo
No photo
 
Airport distance calculator
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From to 69WT

Sunrise and sunset
Times for 28-Nov-2025
 Local
(UTC-8)		 Zulu
(UTC)
Morning civil twilight06:5914:59
Sunrise07:3415:34
Sunset16:2200:22
Evening civil twilight16:5700:57

Current date and time
Zulu (UTC)  29-Nov-2025 05:13:40
Local (UTC-8)  28-Nov-2025 21:13:40
 
METAR
KSEA 
7nm NE 		290453Z 02007KT 10SM BKN220 07/05 A3026 RMK AO2 SLP257 T00720050
KTIW 
9nm SW 		290453Z AUTO 03005KT 10SM CLR 08/04 A3026 RMK AO2 SLP248 T00780039
KBFI 
11nm NE 		290453Z 00000KT 10SM CLR 08/04 A3026 RMK AO2 SLP246 T00780044 $
KRNT 
12nm NE 		290453Z 00000KT 10SM CLR 06/05 A3027 RMK AO2 SLP254 T00560050
KPWT 
13nm NW 		290456Z AUTO 06005KT 10SM CLR 06/02 A3027 RMK AO2 SLP255 T00560017
KTCM 
17nm S 		290505Z AUTO 00000KT 7/8SM R16/2400VP6000FT BR FEW010 05/04 A3025 RMK AO2 VIS 3/8 RWY16/34 VIS 3/8 RWY34 SLP249 $
KPLU 
19nm S 		290455Z AUTO 00000KT 1 1/2SM BR CLR 04/04 A3025 RMK AO2
TAF
KSEA 
7nm NE 		290255Z 2903/3006 02005KT P6SM FEW020 BKN250 FM291000 05006KT P6SM SCT015 BKN030 BKN200 FM291500 03006KT P6SM BKN100 OVC200 FM291800 08004KT P6SM OVC100
KBFI 
11nm NE 		290209Z 2902/2924 VRB03KT P6SM SCT020 BKN250 FM291000 06004KT P6SM SCT015 BKN027 FM291400 00000KT P6SM OVC030 FM291800 12003KT P6SM OVC070
KPWT 
13nm NW 		281720Z 2818/2918 06008KT P6SM SKC FM282100 04005KT P6SM SCT200 FM290800 03004KT 1SM BR BCFG BKN003 FM291300 04004KT 6SM BR BCFG OVC005
KTCM 
17nm S 		282229Z 2822/3003 01008KT 9999 SKC QNH3021INS BECMG 2909/2910 02006KT 4800 BR SCT020 QNH3020INS BECMG 2916/2917 VRB05KT 9999 NSW SCT160 QNH3016INS BECMG 3000/3001 02006KT 9999 BKN060 QNH3010INS TX11/2823Z TN02/2912Z
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