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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
5/14/26-6/11/26
K3W7 VFR
9:15 PM PDT  
Scattered 9,000'
10sm
66°F
48°F
29.93"Hg
240° 6kts
AO2
METAR K3W7 040415Z AUTO 24006KT 10SM SCT090 19/09 A2993 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)
Wed, 6/3 4:39 PM PDT
Wed, 6/3 5:00 PM PDT - Thu, 6/4 5:00 PM PDT
VFR
5:00 PM PDT - 6:00 PM PDT
Showers in vicinity
Broken 11,000'
6sm
220° 7kts
VFR
Temporary 6:00 PM PDT - 8:00 PM PDT
Light Showers and Rain
No Clouds
N/A
Calm
VFR
6:00 PM PDT - 12:00 AM PDT
Broken 11,000'
Scattered 8,000'
6sm
280° 10kts
Gusts 16kts
VFR
12:00 AM PDT - 5:00 AM PDT
Few 11,000'
6sm
260° 8kts
VFR
5:00 AM PDT - 2:00 PM PDT
Sky Clear
6sm
230° 7kts
VFR
2:00 PM PDT - 5:00 PM PDT
Sky Clear
6sm
220° 10kts
Gusts 18kts
TAF KMWH 032339Z 0400/0424 22007KT P6SM VCSH BKN110
   FM040100 28010G16KT P6SM SCT080 BKN110
   TEMPO 0401/0403 -SHRA
   FM040700 26008KT P6SM FEW110
   FM041200 23007KT P6SM SKC
   FM042100 22010G18KT P6SM SKC
3W7
EffectiveExpiresCategoryNOTAM
Domestic
6/6/26
1730Z
6/14/26
0230Z
!SEA 05/522 3W7 AIRSPACE NUMEROUS GLD WI AN AREA DEFINED AS 490000N1212000W (32.8NM NE 3W5) TO 490000N1190000W (16.5NM E 0S7) TO 470000N1190000W (2.7NM NE 2S4) TO 470000N1212000W (8.2NM E 21W) TO POINT OF ORIGIN SFC-17999FT FREQ 123.3
DLY 1730-0230 2606061730-2606140230
5/11/26
1838Z
7/11/26
2359Z
!SEA 05/165 3W7 OBST TOWER LGT (ASR 1295133) 475724.10N1190055.30W (3.4NM NE 3W7) 2588.3FT (261.2FT AGL) U/S 2605111838-2607112359
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.