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69WT Quartermaster Harbor Seaplane Base
Vashon, Washington, USA

FAA INFORMATION EFFECTIVE 19 FEBRUARY 2026

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
 
Sectional chart

 
Airport distance calculator
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From to 69WT

Sunrise and sunset
Times for 21-Feb-2026
 Local
(UTC-8)		 Zulu
(UTC)
Morning civil twilight06:3414:34
Sunrise07:0615:06
Sunset17:4101:41
Evening civil twilight18:1302:13

Current date and time
Zulu (UTC)  22-Feb-2026 03:06:09
Local (UTC-8)  21-Feb-2026 19:06:09
 
METAR
KSEA 
7nm NE 		220253Z 10010KT 10SM FEW060 SCT075 BKN170 07/M02 A2991 RMK AO2 SLP137 60001 T00721017 56009
KTIW 
9nm SW 		220253Z 03005KT 10SM CLR 05/03 A2991 RMK AO2 SLP130 T00500033 55007
KBFI 
11nm NE 		220253Z 35003KT 10SM CLR 05/04 A2993 RMK AO2 SLP135 60000 T00500039 56010
KRNT 
12nm NE 		220253Z 11009G18KT 10SM FEW080 09/M02 A2992 RMK AO2 SLP136 60000 T00891017 56011
KPWT 
13nm NW 		220256Z AUTO 00000KT 10SM CLR 03/03 A2993 RMK AO2 SLP141 6//// T00280028 55009 PNO $
KTCM 
17nm S 		220055Z 34004KT 9999 BKN090 07/04 A2990 A02A SLPNO WND DATA ESTMD ALSTG ESTMD
KPLU 
19nm S 		220255Z AUTO 00000KT 3SM BR FEW120 03/03 A2990 RMK AO2
TAF
KSEA 
7nm NE 		212056Z 2121/2224 10012G20KT 5SM -RA SCT025 OVC035 FM220000 10010KT 6SM -RA OVC040 FM220900 11010KT 6SM -SHRA OVC050 FM221900 14010G20KT P6SM VCSH BKN060
KBFI 
11nm NE 		212057Z 2121/2218 13010G18KT 6SM -RA OVC020 FM220000 13010KT 6SM -RA SCT025 OVC035 FM220900 14008KT 6SM -SHRA OVC050 FM221700 14010KT P6SM VCSH BKN060
KPWT 
13nm NW 		211730Z 2118/2218 04006KT 6SM -RA SCT020 OVC050 FM212000 04006KT 4SM -RA BR OVC030 FM220900 05007KT P6SM -SHRA BKN040 FM221400 16006KT P6SM -SHRA BKN040
KTCM 
17nm S 		212100Z 2121/2303 06006KT 9000 -SHRA BKN040 OVC060 610408 QNH2988INS BECMG 2207/2208 09008KT 9999 NSW BKN060 OVC070 610606 QNH2984INS BECMG 2210/2211 VRB06KT 9000 -SHRA BKN040 OVC060 610406 QNH2986INS BECMG 2217/2218 16012G18KT 9000 -SHRA BKN030 OVC050 610309 QNH2996INS TX07/2123Z TN04/2214Z
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