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

GOING TO BLACK DIAMOND?

FAA INFORMATION EFFECTIVE 17 APRIL 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
No photo
 
Airport distance calculator
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From to WA41

Sunrise and sunset
Times for 28-Apr-2025
 Local
(UTC-7)		 Zulu
(UTC)
Morning civil twilight05:2412:24
Sunrise05:5712:57
Sunset20:1403:14
Evening civil twilight20:4803:48

Current date and time
Zulu (UTC)  29-Apr-2025 04:11:08
Local (UTC-7)  28-Apr-2025 21:11:08
 
METAR
KRNT 
12nm NW 		290353Z AUTO 00000KT 10SM -RA OVC031 12/08 A3025 RMK AO2 RAE03B38 SLP248 P0000 T01220083
KSEA 
13nm NW 		290353Z 20008KT 10SM -RA SCT027 BKN047 OVC070 11/07 A3025 RMK AO2 SLP251 P0000 T01060072 $
KPLU 
17nm SW 		290355Z AUTO 00000KT 10SM -DZ OVC055 12/07 A3026 RMK AO2
KBFI 
17nm NW 		290353Z 17006KT 10SM -RA FEW032 OVC050 12/08 A3025 RMK AO2 RAE02B33 SLP244 P0000 T01170078
KTCM 
22nm SW 		290357Z AUTO 22007KT 10SM -RA OVC050 12/07 A3025 RMK AO2 RAB57 SLP248
KTIW 
23nm W 		290353Z AUTO 23007KT 10SM -RA OVC049 11/07 A3025 RMK AO2 RAB0254 SLP245 P0000 T01060072
TAF
KSEA 
13nm NW 		282059Z 2821/2924 21010KT P6SM SCT030 OVC035 FM290400 20008KT P6SM -RA SCT015 BKN025 OVC040 FM290900 20008KT P6SM -RA SCT008 OVC015 FM291400 19007KT P6SM VCSH SCT008 OVC015 FM292200 36008KT P6SM SCT025 BKN035
KBFI 
17nm NW 		282059Z 2821/2918 17007KT P6SM OVC035 FM290400 17008KT P6SM -RA SCT018 BKN028 FM290900 17009KT P6SM -RA SCT009 OVC015 FM291400 17006KT P6SM VCSH OVC015
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