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WA41 Lake Sawyer Double EE Seaplane Base
Black Diamond, Washington, USA

GOING TO BLACK DIAMOND?

FAA INFORMATION EFFECTIVE 20 MARCH 2025

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 -7 (UTC -8 during Standard 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)
  
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Aerial photo
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Airport distance calculator
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From to WA41

Sunrise and sunset
Times for 16-Apr-2025
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight05:4612:46
Sunrise06:1913:19
Sunset19:5702:57
Evening civil twilight20:3003:30

Current date and time
Zulu (UTC)  17-Apr-2025 02:53:50
Local (UTC-7)  16-Apr-2025 19:53:50
 
METAR
KRNT 
12nm NW 		170153Z 01011G16KT 10SM CLR 15/01 A3005 RMK AO2 SLP182 T01500011
KSEA 
13nm NW 		170153Z 35016KT 10SM FEW050 15/M01 A3006 RMK AO2 PK WND 35028/0101 SLP186 T01501011 $
KPLU 
17nm SW 		170235Z AUTO 00000KT 10SM CLR 14/M02 A3006 RMK AO2
KBFI 
17nm NW 		170153Z 35009G16KT 320V020 10SM CLR 16/M02 A3006 RMK AO2 SLP177 T01611017
KTCM 
22nm SW 		170155Z AUTO 04011G20KT 10SM CLR 15/M01 A3005 RMK AO2 SLP181 T01541012
KTIW 
23nm W 		170153Z 03007KT 10SM CLR 16/M02 A3006 RMK AO2 SLP179 T01561017
TAF
KSEA 
13nm NW 		162113Z 1621/1724 01008KT P6SM SCT250 FM162200 01014G25KT P6SM SCT250 FM170400 04010KT P6SM SKC FM170900 03005KT P6SM SKC
KBFI 
17nm NW 		162113Z 1621/1718 32006KT P6SM SCT250 FM162200 33010G20KT P6SM SCT250 FM170400 VRB03KT P6SM SKC FM171700 35005KT P6SM SKC
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