Lake Sawyer Double E Seaplane Base (WA41) — Black Diamond, WA

Lake Sawyer Double E Seaplane Base (WA41)
WA41
Lake Sawyer Double E Seaplane Base (WA41)
Black Diamond, WA
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Lake Sawyer Double E Seaplane Base (WA41) is a private-use seaplane base located in Black Diamond, WA. The airport sits at an elevation of 520 feet above mean sea level. It features 1 runway.

Location & QuickFacts
FAA Information Effective 2026-09-03
Airport Identifier WA41
Airport Status Operational
Longitude/Latitude 122°2'0.0000" W / 47°20'0.0000" N
-122.033333 / 47.333333 (Estimated)
Elevation 520.00 ft / 158.50 m (Estimated)
From nearest city 3 nautical miles NNW of Black Diamond, WA
Location King County, WA
Owner & Manager
Ownership Privately owned
Owner ERIC EKNES
Address 29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone number 206-618-2308
Manager ERIC EKNES
Address 29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone number 206-618-2308
Airport Operations and Facilities
Airport Use Private
Control Tower NON-ATCT
Sectional chart SEATTLE
Region ANM - Northwest Mountain
Responsible ARTCC ZSE - SEATTLE
Tie-in FSS SEA - SEATTLE
FSS Toll Free 1-800-WX-BRIEF
Runway Information
Runway 15W/33W
Dimensions 6055 x 300 ft (1846 x 91 m)
Surface WATER (FAIR)
Surface treatment
15W 33W
Traffic pattern Right Right