FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025
Location
| FAA Identifier: | 3W7 |
| Lat/Long: | 47-55-19.4000N 119-04-58.8000W
47-55.323333N 119-04.980000W
47.9220556,-119.0830000
(estimated) |
| Elevation: | 1593.1 ft. / 485.6 m (surveyed) |
| Variation: | 15E (2020) |
| From city: | 2 miles SW of ELECTRIC CITY, WA |
| Time zone: | UTC -8 (UTC -7 during Daylight Saving Time) |
| Zip code: | 99123 |
Airport Operations
| Airport use: | Open to the public |
| Activation date: | 10/1972 |
| Control tower: | no |
| ARTCC: | SEATTLE CENTER |
| FSS: | SEATTLE FLIGHT SERVICE STATION |
| NOTAMs facility: | SEA (NOTAM-D service available) |
| Attendance: | UNATNDD |
| Wind indicator: | lighted |
| Segmented circle: | yes |
| Lights: | ACTVT REIL RWY 22; PAPI RWY 22; MIRL RWY 04/22 - CTAF. |
| Beacon: | white-green (lighted land airport)
Operates sunset to sunrise. |
Airport Communications
| CTAF: | 122.9 |
| WX AWOS-3PT: | 128.325 (509-631-8955) |
| WX AWOS-2 at 2S8 (17 nm SE): | 124.175 (509-647-0337) |
- APCH/DEP SVC PRVDD BY SEATTLE ARTCC (ZSE) ON FREQS 126.1/291.6 (MARLIN RCAG).
Nearby radio navigation aids
| VOR radial/distance | | VOR name | | Freq | | Var |
|---|
| EPHr002/35.4 | | EPHRATA VORTAC | | 112.60 | | 21E |
Airport Services
| Parking: | tiedowns |
| Airframe service: | NONE |
| Powerplant service: | NONE |
| Bottled oxygen: | NONE |
| Bulk oxygen: | NONE |
Runway Information
Runway 4/22
| Dimensions: | 4203 x 75 ft. / 1281 x 23 m |
| Surface: | asphalt, in good condition |
| Weight bearing capacity: | |
| Runway edge lights: | medium intensity |
| RUNWAY 4 | | RUNWAY 22 |
| Latitude: | 47-55.106768N | | 47-55.538815N |
| Longitude: | 119-05.381922W | | 119-04.579373W |
| Elevation: | 1588.7 ft. | | 1589.0 ft. |
| Traffic pattern: | left | | right |
| Runway heading: | 036 magnetic, 051 true | | 216 magnetic, 231 true |
| Markings: | basic, in good condition | | nonprecision, in good condition |
| Visual slope indicator: | | | 2-light PAPI on left (4.20 degrees glide path) |
| Runway end identifier lights: | | | yes |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 490 ft. hill, 9000 ft. from runway, 17:1 slope to clear
15 FT TREE 61 FT FM THR, 73 FT LEFT & DITCH 27 FT FM THR, 91 FT RIGHT. | | 30 ft. gnd, 1195 ft. from runway, 33:1 slope to clear
BRUSH 79 FT RIGHT; SLP & BRUSH 100 FT FM THR, 99 FT LEFT. |
Airport Ownership and Management from official FAA records
| Ownership: | Publicly-owned |
| Owner: | GRANT CO PORT DIST NR 7
P.O. BOX 616
GRAND COULEE, WA 99133
Phone 509-631-4797 |
| Manager: | ROBERT BABLER
P.O. BOX 182
GRAND COULEE, WA 99133
Phone 509-631-4797 |
Additional Remarks
| - | GEESE & WILDLIFE INVOF RWY. |
| - | FOR CD CTC SEATTLE ARTCC AT 253-351-3694. |
Instrument Procedures
NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.NOT FOR NAVIGATION. Please procure official charts for flight.
FAA instrument procedures published for use from 27 November 2025 at 0901Z to 25 December 2025 at 0900Z.
IAPs - Instrument Approach Procedures |
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| RNAV (GPS) Y RWY 22 | |
download (221KB) |
| RNAV (GPS) Z RWY 22 | |
download (242KB) |
| NOTE: Special Alternate Minimums apply | |
download (213KB) |
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| SINGG ONE (OBSTACLE) (RNAV) | |
download (200KB) |
| NOTE: Special Take-Off Minimums/Departure Procedures apply | |
download (558KB) |
Other nearby airports with instrument procedures:
2S8 - Wilbur Airport (17 nm SE)
KOMK - Omak Airport (37 nm NW)
KEPH - Ephrata Municipal Airport (41 nm SW)
KMWH - Grant County International Airport (44 nm S)
KEAT - Pangborn Memorial Airport (55 nm SW)
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Road maps at:
MapQuest
Bing
Google
| Aerial photo |
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WARNING: Photo may not be current or correct
Photo taken 23-Jun-2020
looking east-northeast at 1800’ MSL.
Do you have a better or more recent aerial photo of Grand Coulee Dam Airport that you would like to share? If so, please send us your photo.
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| Sectional chart |
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| Airport distance calculator |
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| Sunrise and sunset |
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Times for 11-Dec-2025
| | Local
(UTC-8) | | Zulu
(UTC) |
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| Morning civil twilight | | 07:01 | | 15:01 |
| Sunrise | | 07:37 | | 15:37 |
| Sunset | | 16:02 | | 00:02 |
| Evening civil twilight | | 16:39 | | 00:39 |
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| Current date and time |
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| Zulu (UTC) | 12-Dec-2025 06:18:48 |
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| Local (UTC-8) | 11-Dec-2025 22:18:48 |
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| METAR |
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KOMK
37nm NW | 120553Z AUTO 12003KT 10SM FEW055 OVC075 06/04 A3017 RMK AO2 SLP226 T00610044 10078 20056 53005
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KEPH
41nm SW | 120553Z AUTO 35003KT 10SM FEW035 SCT046 OVC055 08/07 A3015 RMK AO2 RAE35 SLP214 P0000 60000 T00830067 10106 20083 51008
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KMWH
44nm S | 120552Z AUTO 00000KT 6SM -RA BR OVC036 08/07 A3016 RMK AO2 RAE29B45 SLP219 P0002 60002 T00780072 10111 20078 51008
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| TAF |
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KMWH
44nm S | 120539Z 1206/1306 VRB04KT P6SM OVC050 PROB30 1206/1208 -RA FM121100 VRB03KT P6SM FEW060 BKN200 FM121700 22005KT P6SM BKN200 FM122100 21006KT P6SM BKN210
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| NOTAMs |
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NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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