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GRAND COULEE DAM - Airport Diagram
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3W7
GRAND COULEE DAM
PublicPUB

2 miles SW of ELECTRIC CITY, WA
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
47° 55' 19"N 119° 04' 59"W
1593' MSL
2593' MSL
15E
None Listed
SEATTLE (SEA)
SEATTLE
SEATTLE (ZSE)
11/27/25-12/25/25
K3W7 VFR
11:55 AM PST  
Unknown Precipitation
Broken 3,700'
Few 3,000'
Few 1,300'
10sm
36°F
36°F
29.66"Hg
180° 5kts
Gusts 11kts
AO2
METAR K3W7 181955Z AUTO 18005G11KT 10SM UP FEW013 FEW030 BKN037 02/02 A2966 RMK AO2
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-- 122.9

AWOS-3PT

AWOS-3PT
509-631-8955
 128.325

FAA A/FD Pages

Airport Diagrams

  • No Documents

Airport Minimums

Departure Procedures

Hotspot

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Standard Term. Arrival

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Instrument Approach

Terminal Area Forecast

KMWH (45nm)
Thu, 12/18 9:27 AM PST
Thu, 12/18 10:00 AM PST - Fri, 12/19 10:00 AM PST
MVFR
10:00 AM PST - 11:00 AM PST
Light Rain
Overcast 3,000'
Broken 2,500'
6sm
150° 7kts
IFR
11:00 AM PST - 7:00 PM PST
Light Rain and Mist
Overcast 800'
2sm
140° 7kts
MVFR
7:00 PM PST - 9:00 PM PST
Light Rain and Mist
Overcast 2,500'
Scattered 1,000'
6sm
190° 11kts
VFR
9:00 PM PST - 2:00 AM PST
Light Rain
Broken 6,000'
6sm
220° 15kts
Gusts 24kts
VFR
2:00 AM PST - 10:00 AM PST
Broken 10,000'
6sm
260° 12kts
TAF KMWH 181727Z 1818/1918 15007KT P6SM -RA BKN025 OVC030
   FM181900 14007KT 2SM -RA BR OVC008
   FM190300 19011KT 6SM -RA BR SCT010 OVC025
   FM190500 22015G24KT P6SM -RA BKN060
   FM191000 26012KT P6SM BKN100
3W7
EffectiveExpiresCategoryNOTAM
Domestic
12/8/25
1644Z
2/8/26
2359Z
!SEA 12/118 3W7 OBST TOWER LGT (ASR 1295133) 475724.10N1190055.30W (3.4NM NE 3W7) 2588.3FT (261.2FT AGL) U/S 2512081644-2602082359
No
UNATNDD
GRANT CO PORT DIST NR 7
P.O. BOX 616
GRAND COULEE, WA 99133
Phone: 509-631-4797
ROBERT BABLER
P.O. BOX 182
GRAND COULEE, WA 99133
Phone: 509-631-4797
SEATTLE FSS (SEA)
Toll Free: 1-800-WX-BRIEF
SEA
--
ACTVT REIL RWY 22; PAPI RWY 22; MIRL RWY 04/22 - CTAF.
N/A
Yes - Lighted
Yes
No
Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
None
None
None
None
None

Runway 04/22

4203 ft. x 75 ft.
ASPH  
Good 
NONE 
MED 
 
26,000lbs 
-- 
-- 
-- 
  Runway 04 Runway 22
True Heading 51°231°
Traffic Pattern Left Right
Markings BSC NPI
Markings Condition GOOD GOOD
Latitude 47° 55' 06"N 47° 55' 32"N
Longitude 119° 05' 23"W 119° 04' 35"W
Elevation 1,589' 1,589'
Threshold Crossing Height -- 53 ft. AGL
Visual Glide Path Angle -- 4.2°
Visual Slope Indicator -- P2L
Approach Lights
Centerline Lights
Runway End Identifier Lights Yes
A110-1GEESE & WILDLIFE INVOF RWY.
A110-2FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
GRAND COULEE DAM (IATA: 3W7) is a public airport located in ELECTRIC CITY, WA.