Terminal Procedures

3W7 — Grand Coulee Dam

ELECTRIC CITY, WA · 5 FAA charts · cycle 6 Aug 2026

Elevation 1,593 ft1 runwayLongest 4,203 ftNon-toweredVolume NW-1Not for navigation

2 published instrument approaches: 2 RNAV (GPS).

All 5 3W7 charts in one download Every approach, departure, arrival and minimums page for this airport, sorted into folders, as a single ZIP. Taken one at a time on the free tier, 5 charts is roughly 31 sec of downloading — they queue one behind another.
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Instrument approach procedures

ChartAmendment
RNAV (GPS) Y RWY 22 chart previewRNAV (GPS) Y RWY 220PDF
RNAV (GPS) Z RWY 22 chart previewRNAV (GPS) Z RWY 220PDF

Obstacle departure procedures

ChartAmendment
SINGG ONE (OBSTACLE) (RNAV) chart previewSINGG ONE (OBSTACLE) (RNAV)PDF

Takeoff and alternate minimums

ChartAmendment
TAKEOFF MINIMUMS chart previewTAKEOFF MINIMUMSPDF
ALTERNATE MINIMUMS chart previewALTERNATE MINIMUMSPDF

Minimums pages cover a whole volume, so the same document is shared by every airport in it.

3W7 airport information

Control tower
No
Attendance
Unattended
ARTCC
Seattle Center
Flight service
Seattle
NOTAM facility
SEA (NOTAM-D available)
Magnetic variation
15E
Beacon
White-green (lighted land airport), sunset to sunrise
Wind indicator
Lighted
Segmented circle
Yes
Bottled oxygen
None
Parking
Tie-downs
Customs
Landing rights airport
Activated
October 1972
Airport area
220 acres
Ownership
Publicly owned
Sectional
Seattle
Last FAA inspection
2025-08-19

From the FAA NASR 28-day subscription, cycle 6 Aug 2026.

3W7 radio frequencies

ServiceFrequencyCall sign
CTAF122.9

Civil VHF frequencies from the FAA NASR 28-day subscription. Discrete sector and military frequencies are not listed.

Runways

4,203 × 75 ft0422N1,000 ft
Runway layout at 3W7, drawn to scale from FAA published runway-end coordinates and true alignments. Runways served by an ILS are highlighted.
RunwayLengthWidth SurfaceLighting
04/224,203 ft75 ftAsphalt GoodMedium intensity
  22 231°TPAPI (2-box) 4.2° · right-hand circuit

Runway and approach-aid data from the FAA NASR 28-day subscription.

Where 3W7 is

Latitude, longitude47.9220560, -119.0830000
Elevation1,593 ft
From Electric City2 nm SW

Paste the coordinates into a simulator’s world map to drop straight onto the field.

FAA remarks for 3W7

  • GEESE & WILDLIFE INVOF RWY.
  • 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.
  • FOR CD CTC SEATTLE ARTCC AT 253-351-3694.

Published verbatim from the FAA NASR subscription. Abbreviations are the FAA's own.

Airports near 3W7

IDAirportCity DistanceCharts
2S8WilburWILBUR, WA17 nm SE3
KOMKOmakOMAK, WA37 nm NW4
KEPHEphrata MuniEPHRATA, WA41 nm SW5
KMWHGrant County IntlMOSES LAKE, WA44 nm S20
KEATPangborn MemlWENATCHEE, WA55 nm SW13

VFR charts covering 3W7

Common questions about 3W7

What charts are available for 3W7?

5 current FAA charts for Grand Coulee Dam, including 2 instrument approachs. All are free to download as PDFs from this page, from the 6 August 2026 cycle.

What are the radio frequencies for 3W7?

CTAF 122.9. Full civil VHF list, with sector notes, is in the frequencies table on this page — from the FAA NASR subscription.

How long is the runway at 3W7?

Grand Coulee Dam has 1 runway. The longest is 04/22 at 4,203 ft by 75 ft, asphalt. Full runway dimensions, lighting and approach aids are listed on this page.

Does 3W7 have an ILS approach?

No ILS is published. In total 3W7 has 2 published instrument approaches, of which 2 are RNAV (GPS).

Which runway do instrument approaches serve at 3W7?

Every published approach serves one runway end. There is no instrument procedure to the reciprocal direction, so an arrival in instrument conditions commits to that single approach direction regardless of the wind.

Is 3W7 a towered airport?

No — Grand Coulee Dam has no control tower. Traffic co-ordinates on a common frequency rather than with a controller, which is listed in the frequencies table on this page.

Are these 3W7 charts current?

They are from the FAA cycle effective 6 August 2026, which is superseded on 3 September 2026. We publish each new cycle on its effective date. They are for flight simulation and reference only — not for real-world navigation.

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Not for navigation. For flight simulation and reference use only. Procedures are superseded on a 28-day cycle — obtain current official charts from the FAA for real-world flight.

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