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GRAND COULEE DAM - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

3W7
Local 3W7
GRAND COULEE DAM
PublicPUB

2 miles SW of ELECTRIC CITY, WA, US
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
47° 55' 19"N 119° 04' 59"W
Elevation
1593' MSL
Pattern Alt
2593' MSL
Mag Variation
15°E
Declination
15°E
Fuel
None Listed
FSS
SEATTLE (SEA)
Sectional
SEATTLE
ARTCC
SEATTLE (ZSE)
Data Effective
4/16/26-5/14/26
K3W7 VFR
3:55 PM PDT  
Clear
10sm
59°F
12°F
29.97"Hg
300° 12kts
AO2
METAR K3W7 242255Z AUTO 30012KT 10SM CLR 15/M11 A2997 RMK AO2
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Weather and Advisory

AWOS-3PT 128.325
(509) 631-8955

Common

CTAF 122.9
ACTVT REIL RWY 22; PAPI RWY 22; MIRL RWY 04/22 - CTAF.

Center

SEATTLE CENTER 126.1
LOW, APCH/DEP SVC PRVDD BY SEATTLE ARTCC (ZSE) ON FREQS 126.1/291.6 (MARLIN RCAG).

FAA A/FD Pages

Airport Minimums

Departure Procedures

Instrument Approach

Terminal Area Forecast

KMWH (45nm)
Fri, 4/24 10:34 AM PDT
Fri, 4/24 11:00 AM PDT - Sat, 4/25 11:00 AM PDT
VFR
11:00 AM PDT - 1:00 PM PDT
Sky Clear
6sm
010° 13kts
Gusts 25kts
VFR
1:00 PM PDT - 7:00 PM PDT
Few 10,000'
6sm
020° 8kts
Gusts 15kts
VFR
7:00 PM PDT - 10:00 PM PDT
Few 10,000'
6sm
270° 7kts
VFR
10:00 PM PDT - 8:00 AM PDT
Scattered 20,000'
Few 10,000'
6sm
350° 6kts
VFR
8:00 AM PDT - 11:00 AM PDT
Few 20,000'
6sm
030° 8kts
Gusts 15kts
TAF KMWH 241734Z 2418/2518 01013G25KT P6SM SKC
   FM242000 02008G15KT P6SM FEW100
   FM250200 27007KT P6SM FEW100
   FM250500 35006KT P6SM FEW100 SCT200
   FM251500 03008G15KT P6SM FEW200
3W7
EffectiveExpiresCategoryNOTAM
Domestic
3/10/26
1815Z
5/11/26
2359Z
!SEA 03/081 3W7 OBST TOWER LGT (ASR 1295133) 475724.10N1190055.30W (3.4NM NE 3W7) 2588.3FT (261.2FT AGL) U/S 2603101815-2605112359
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.
A58-0415 FT TREE 61 FT FM THR, 73 FT LEFT & DITCH 27 FT FM THR, 91 FT RIGHT.
A58-22BRUSH 79 FT RIGHT; SLP & BRUSH 100 FT FM THR, 99 FT LEFT.
A75-TPILOTS BRING OWN ROPES.
A81-APTACTVT REIL RWY 22; PAPI RWY 22; MIRL RWY 04/22 - CTAF.
GRAND COULEE DAM (IATA: 3W7) is a public airport located in ELECTRIC CITY, WA, US.