AirNav   Everest Fuels
 
 2013 users online  
WA41 Lake Sawyer Double E Seaplane Base
Black Diamond, Washington, USA

GOING TO BLACK DIAMOND?

FAA INFORMATION EFFECTIVE 19 FEBRUARY 2026

Location

FAA Identifier: WA41
Lat/Long: 47-20-00.0000N 122-02-00.0000W
47-20.000000N 122-02.000000W
47.3333333,-122.0333333
(estimated)
Elevation: 520 ft. / 158 m (estimated)
From city: 3 miles NNW of BLACK DIAMOND, WA
Time zone: UTC -8 (UTC -7 during Daylight Saving Time)
Zip code: 98010

Seaplane Base Operations

Seaplane Base use: Private use. Permission required prior to landing
Activation date: 11/2018
Control tower: no
ARTCC: SEATTLE CENTER
FSS: SEATTLE FLIGHT SERVICE STATION
Attendance: 
Segmented circle: no

Seaplane Base Communications

WX ASOS at RNT (12 nm NW): 126.95 (425-255-6080)
WX ASOS at SEA (13 nm NW): PHONE 206-214-2592
WX ASOS at BFI (16 nm NW): PHONE 206-658-6435
WX AWOS-3 at PLU (17 nm SW): 128.575 (253-848-2748)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
SEAr100/12.8SEATTLE VORTAC116.8019E
PAEr144/36.6PAINE VOR/DME110.6020E

Seaplane Base Services

Runway Information

Runway 15W/33W

Dimensions: 6055 x 300 ft. / 1846 x 91 m
Surface: water, in fair condition
RUNWAY 15W  RUNWAY 33W
Traffic pattern: rightright

Seaplane Base Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: ERIC EKNES
29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone 206-618-2308
Manager: ERIC EKNES
29810 224TH AVE SE
BLACK DIAMOND, WA 98010
Phone 206-618-2308

Instrument Procedures

There are no published instrument procedures at WA41.

Some nearby airports with instrument procedures:

S50 - Auburn Municipal Airport (8 nm W)
KRNT - Renton Municipal Airport (12 nm NW)
KSEA - Seattle-Tacoma International Airport (13 nm NW)
KBFI - Boeing Field/King County International Airport (16 nm NW)
KPLU - Pierce County Airport/Thun Field (17 nm SW)
  
Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes
Aerial photo
No photo
 
Sectional chart

 
Airport distance calculator
Flying to Lake Sawyer Double E Seaplane Base? Find the distance to fly.

From to WA41

Sunrise and sunset
Times for 05-Mar-2026
 Local
(UTC-8)		 Zulu
(UTC)
Morning civil twilight06:1114:11
Sunrise06:4214:42
Sunset17:5801:58
Evening civil twilight18:2802:28

Current date and time
Zulu (UTC)  05-Mar-2026 08:06:40
Local (UTC-8)  05-Mar-2026 00:06:40
 
METAR
KRNT 
12nm NW 		050753Z AUTO 16005KT 10SM OVC019 09/07 A3013 RMK AO2 SLP207 T00890067 401220078 $
KSEA 
13nm NW 		050753Z 22008KT 10SM OVC014 08/06 A3012 RMK AO2 SLP208 T00780061 401110078 $
KPLU 
17nm SW 		050755Z AUTO 00000KT 10SM BKN016 OVC021 08/07 A3015 RMK AO2
KBFI 
17nm NW 		050753Z 20004KT 10SM OVC016 08/06 A3013 RMK AO2 SLP203 T00830061 401220083
KTCM 
22nm SW 		050755Z AUTO 22006KT 10SM OVC017 08/06 A3013 RMK AO2 CIG 016 RWY34 SLP208 T00780058 401260075 $
KTIW 
23nm W 		050753Z AUTO 22008G18KT 10SM OVC015 08/05 A3013 RMK AO2 SLP203 T00780050
TAF
KSEA 
13nm NW 		050520Z 0506/0612 21005KT P6SM OVC015 FM050900 14008KT P6SM SCT015 OVC020 FM051200 23007KT P6SM VCSH OVC025 FM052300 22009G18KT P6SM VCSH SCT025 OVC035 FM060500 21010G20KT P6SM VCSH BKN025 OVC040
KBFI 
17nm NW 		050520Z 0506/0606 13005KT P6SM VCSH BKN020 OVC035 FM051700 21006KT P6SM VCSH OVC025 FM052300 22007KT P6SM VCSH SCT025 OVC035 FM060500 21010KT P6SM VCSH BKN020 OVC035
NOTAMs
Click for the latest NOTAMs
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.

 

 
 

Would you like to see your business listed on this page?

 If your business provides an interesting product or service to pilots, flight crews, aircraft, or users of the Lake Sawyer Double E Seaplane Base, you should consider listing it here.  To start the listing process, click on the button below
 
Add a business
 

Other Pages about Lake Sawyer Double E Seaplane Base

Update a link
 
Copyright © AirNav, LLC. All rights reserved. Privacy Policy  Contact