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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
6/11/26-7/9/26
K3W7 VFR
5:55 PM PDT  
Clear
10sm
81°F
30°F
29.68"Hg
200° 14kts
Gusts 23kts
AO2
METAR K3W7 260055Z AUTO 20014G23KT 10SM CLR 27/M01 A2968 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)
Thu, 6/25 4:20 PM PDT
Thu, 6/25 5:00 PM PDT - Fri, 6/26 5:00 PM PDT
VFR
5:00 PM PDT - 6:00 PM PDT
Broken 18,000'
6sm
210° 12kts
Gusts 21kts
VFR
6:00 PM PDT - 9:00 PM PDT
Overcast 13,000'
6sm
230° 14kts
Gusts 24kts
VFR
9:00 PM PDT - 4:00 AM PDT
Overcast 12,000'
6sm
240° 8kts
VFR
4:00 AM PDT - 1:00 PM PDT
Broken 7,000'
Scattered 5,000'
6sm
180° 9kts
VFR
1:00 PM PDT - 5:00 PM PDT
Broken 6,000'
6sm
200° 10kts
TAF KMWH 252320Z 2600/2624 21012G21KT P6SM BKN180
   FM260100 23014G24KT P6SM OVC130
   FM260400 24008KT P6SM OVC120
   FM261100 18009KT P6SM SCT050 BKN070
   FM262000 20010KT P6SM BKN060
3W7
EffectiveExpiresCategoryNOTAM
Domestic
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.