Grand Coulee Dam Airport
3W7 · Electric City, Washington · Grant County · map
Grand Coulee Dam Airport is a public-use airport owned by Grant CO Port Dist Nr 7, 2 miles southwest of Electric City, Washington, 1,593 feet above sea level. Its one runway, 04/22, is 4,203 feet of asphalt. It has about 7 based aircraft. The FAA counts about 13,000 takeoffs and landings a year.
The airport
- Codes
- FAA 3W7
- Kind
- Airport · open to the public · publicly owned
- Owner
- Grant CO Port Dist Nr 7
- Elevation
- 1,593 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Repairs
- airframe: none; engine: none
- Parking
- tiedown
- On the chart
- Seattle sectional
- Magnetic variation
- 15E
- In the FAA's files since
- October 1972
Runway
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 04/22 | 4,203 × 75 ft | Asphalt, good | Medium-intensity lights |
- Runway 04: hill 490 ft high 9,000 ft from the end
- Runway 22: PAPI, two lights on the left, right-hand traffic pattern, gnd 30 ft high 1,195 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 | |
| Marlin and center (remote transmitter) Low | 126.1 | |
| 3W7 AWOS-3PT | 128.325 |
Automated weather (AWOS-3PT), by phone 509-631-8955.
Based aircraft as counted for the FAA, fiscal year 2024
Takeoffs and landings a year about 13,000, the FAA's fiscal year 2024 (October 2023 to September 2024)
Local flights stay in the traffic pattern or nearby, often practice; travelling flights arrive from or leave for somewhere else. Counts at airports without a tower are the FAA's estimates.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Electric City from the FAA register
2 aircraft are registered to owners in Electric City, Washington: 1 piston single, 1 weight-shift or powered parachute. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Washington.
Accidents and incidents at or near this airport NTSB records · 2 since 1982, 0 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Geese and wildlife in the vicinity of runway.
- Activate runway end identifier lights runway 22; PAPI runway 22; medium-intensity runway lights runway 04/22 - the common traffic frequency.
- Pilots bring own ropes.
- 15 feet tree 61 feet from threshold, 73 feet left and ditch 27 feet from threshold, 91 feet right.
- Brush 79 feet right; slp and brush 100 feet from threshold, 99 feet left.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.