wxdecoder
69WT

Quartermaster Harbor Seaplane Base

Vashon, WashingtonElevation 0 ftSeaplane base

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RUNWAYS

Runway detail & declared distances

2 runways · longest 5,637 ft

04W/22W
Dimensions
5,637 x 200 ft
Surface
Water
RWY 04W
Traffic patternRight
RWY 22W
15W/33W
Dimensions
4,226 x 200 ft
Surface
Water
RWY 15W
Traffic patternRight
RWY 33W

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

AIRPORT INFORMATION

Facility & services

Quartermaster Harbor Seaplane Base is in Vashon, Washington. Field elevation 0 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSeaplane base
ManagerKEVAN YALOWITZ
Manager phone2026412050
CHARTS & AIRSPACE
ICAO / IATA69WT
SectionalSEATTLE
Center (ARTCC)SEATTLE
Flight service (AFSS)SEATTLE
RegionWashington
CountryUnited States
Coordinates47.3929, -122.4605
Distance from city3 NM S
SERVICES & LIGHTING
Control towerNon-towered
CTAF122.900
FREQUENCIES

Communications

122.900
CTAF
CTAF

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRPORT REMARKS

Operational remarks

›KEVAN@KEVANYALOWITZ.COM
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗69WT on OurAirports
FREQUENTLY ASKED
Does 69WT have a METAR?
No on-field METAR is issued for 69WT. This page uses the nearest reporting station as a reference.
Does 69WT have a TAF?
No TAF is issued directly for 69WT. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 69WT?
69WT sits at 0 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 69WT?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.