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69WT Quartermaster Harbor Seaplane Base
Vashon, Washington, USA

FAA INFORMATION EFFECTIVE 11 JUNE 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 -7 (UTC -8 during Standard 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
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Sectional chart

 
Airport distance calculator
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From to 69WT

Sunrise and sunset
Times for 01-Jul-2026
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight04:3811:38
Sunrise05:1812:18
Sunset21:0904:09
Evening civil twilight21:4904:49

Current date and time
Zulu (UTC)  01-Jul-2026 15:28:11
Local (UTC-7)  01-Jul-2026 08:28:11
 
METAR
KSEA 
7nm NE 		011453Z 17008KT 10SM SCT013 BKN034 12/08 A3008 RMK AO2 SLP191 T01220083 53005 $
KTIW 
9nm SW 		011453Z 20007KT 10SM FEW016 OVC037 12/09 A3007 RMK AO2 SLP183 T01220089 53005
KBFI 
11nm NE 		011453Z 17007KT 10SM BKN025 13/09 A3007 RMK AO2 SLP183 T01330089 52006
KRNT 
12nm NE 		011453Z 16005KT 10SM SCT019 OVC040 13/08 A3007 RMK AO2 SLP189 T01330083 53005
KPWT 
13nm NW 		011456Z AUTO 20007KT 10SM OVC008 12/10 A3007 RMK AO2 SLP187 T01170100 53005
KTCM 
17nm S 		011455Z AUTO 21006KT 10SM FEW015 OVC038 14/09 A3007 RMK AO2 SLP186 T01370091 53005 $
KPLU 
19nm S 		011515Z AUTO 24006KT 9SM CLR 14/09 A3009 RMK AO2
TAF
KSEA 
7nm NE 		011121Z 0112/0218 19007KT P6SM BKN020 FM011500 20008KT P6SM SCT008 OVC015 FM012000 23008KT P6SM SCT025 BKN035 FM020300 26005KT P6SM BKN040 FM021100 21006KT P6SM SCT025 BKN040
KBFI 
11nm NE 		011121Z 0112/0212 17006KT P6SM SCT008 BKN022 FM012100 20006KT P6SM SCT030 BKN040 FM020300 VRB03KT P6SM BKN050
KPWT 
13nm NW 		011121Z 0112/0212 VRB03KT P6SM OVC010 FM011600 21005KT P6SM OVC015 FM012100 20006KT P6SM SCT020 BKN040 FM020300 19005KT P6SM BKN050
KTCM 
17nm S 		010940Z 0109/0211 19009KT 9999 BKN030 QNH3007INS BECMG 0112/0113 20006KT 9999 BKN015 OVC025 QNH3005INS BECMG 0118/0119 21010G15KT 9999 BKN030 OVC040 QNH3008INS BECMG 0206/0207 21006KT 9999 OVC015 QNH3006INS TX18/0200Z TN10/0111Z
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