FAA facility Airport

GRAND COULEE DAM

ELECTRIC CITY, WASHINGTON FAA 3W7 Open to the public

Open View on OpenStreetMap

Runways

1 record · drawn to relative scale

04/22 4,203 × 75 ft · Asphalt (good) · Medium-intensity edge lights

04 22

Runway-end details

Runway 04/22 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
04	51°	—	—	—	—	—
22 RP	231°	—	PAPI · 2-light · left side	—	—	—

Communications

4 published frequencies

Published communications frequencies
Use	Frequency	Hours
CTAF	122.9	—
MARLIN RCAG	126.1	—
3W7 AWOS-3PT	128.325	—
MARLIN RCAG	291.6	—

FAA listing history

Identities observed in NASR snapshots

GRAND COULEE DAM Observed 2024-06-13 through 2026-07-09 3W7

Dates describe available FAA snapshots, not exact opening, closure or construction dates.

Material changes

First observed in NASR cycles

No public material changes are recorded yet.

Facility facts

FAA / ICAO: 3W7
Type: Airport A
Status: Open
Ownership: Publicly owned
Use: Open to the public
Activated: 1972-10
Part 139: Not certificated
Fuel: Not listed
Repair: Airframe: NONE
Powerplant: NONE
Tower: No control tower

Location

City: ELECTRIC CITY, WA
County: Grant
FAA region: Northwest Mountain region
Coordinates: 47.92206, -119.08300
Elevation: 1,593.1 ft (3RD PARTY SURVEY)

View coordinates on OpenStreetMap

Weather stations

3W7 Commissioned 2024-03-21 AWOS-3PT

Wildlife strikes

No unambiguous FAA wildlife-strike airport match is available for this facility.

FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.