Lower Granite Dam HeliportPrivate
WN43 · Colfax, WA · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-22 · night begins 07:18 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:06 AM | 13:06Z |
| Sunrise | 06:36 AM | 13:36Z |
| Sunset | 06:48 PM | 01:48Z |
| Evening civil twilight Loggable night begins | 07:18 PM | 02:18Z |
Plan a flight from WN43
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 28 ft |
Prefer one flat page? Full runway details for WN43 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the WN43 kneeboard →
Comms & NavAids
Nearby navigation aids
PUW 117.15 · MQG 114.45
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PUW · Pullman | VOR/DME | 117.15 · 118Y | Low | r245° / 8.9 NM |
| MQG · Nez Perce | VOR/DME | 114.45 · 91Y | Low | r286° / 28.9 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for WN43 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- WN43
- Coordinates
- 46.6614, -117.4380
- Elevation
- 652 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- SEATTLE
- Airport use
- Private
- Control tower
- No
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- SEATTLE · 122.5 · 1-800-WX-BRIEF
- Attendance
- MON-FRI 0730-1600
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1984/06
- Distance from city
- 14 S
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
Obstructions
- 800' TERRAIN 1300' SOUTH, 500' PLINE 2600' SE.
Nearby airports
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Also nearby: 00W Lower Granite State (1 NM) · 58WA Dye Seed Ranch INC (private) (9 NM) · S94 Port Of Whitman Business Air Center (12 NM) · 70WA Whitman Community Hospital (private) (13 NM) · 3ID3 Estes (private) (18 NM)
About WN43
Lower Granite Dam (WN43) is a heliport in Colfax, WA, at 652 ft MSL. It has 1 runway, the longest 28 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for WN43, refreshed from the Aviation Weather Center and FAA NASR.
Does WN43 have a control tower?
No. Lower Granite Dam is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at WN43?
Lower Granite Dam has 1 runway; the longest is 28 ft. See the Runways section for headings, surface, and lighting.
Where is WN43?
Lower Granite Dam is in Colfax, WA, at an elevation of 652 ft MSL. Coordinates: 46.6614, -117.4380.
More about WN43
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 WN43 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.