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Grand Coulee Dam Airport
3W7 · GCD · Electric City, WA · 1,588 ft elevation · var 15E · Towered
Airport information
- FAA LID
- 3W7 / GCD
- Coordinates
- 47.9220, -119.0830
- Elevation
- 1,588 ft MSL
- Magnetic variation
- 15E
- Sectional chart
- SEATTLE
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE
- NOTAM facility
- SEA
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1972/10
- Distance from city
- 2 SW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:16 AM | 11:16Z |
| Sunrise | 04:57 AM | 11:57Z |
| Sunset | 08:59 PM | 03:59Z |
| Evening civil twilight Loggable night begins | 09:40 PM | 04:40Z |
Loggable night (§1.1)
09:40 PM → 04:16 AM
Night currency (§61.57)
09:59 PM → 03:57 AM
Plan a flight from 3W7
Runway 03/21
4,199 ft × 75 ft · ASP 03
- Heading
- 036° mag · 51° true
21
- Heading
- 216° mag · 231° true
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| EPH · Ephrata | VORTAC | 112.60 | r002° / 35.5 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Owner
GRANT CO PORT DIST NR 7
P.O. BOX 616, GRAND COULEE, WA
509-631-4797
Manager
ROBERT BABLER
P.O. BOX 182, GRAND COULEE, WA
509-631-4797
Remarks FAA
- GEESE & WILDLIFE INVOF RWY.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- ACTVT REIL RWY 22; PAPI RWY 22; MIRL RWY 04/22 - CTAF.
- PILOTS BRING OWN ROPES.
- 15 FT TREE 61 FT FM THR, 73 FT LEFT & DITCH 27 FT FM THR, 91 FT RIGHT.
- BRUSH 79 FT RIGHT; SLP & BRUSH 100 FT FM THR, 99 FT LEFT.
Nearby airports
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 3W7 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.