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WN43 Lower Granite Dam Heliport
Colfax, Washington, USA

GOING TO COLFAX?

FAA INFORMATION EFFECTIVE 22 JANUARY 2026

Location

FAA Identifier: WN43
Lat/Long: 46-39-40.9500N 117-26-16.7600W
46-39.682500N 117-26.279333W
46.6613750,-117.4379889
(estimated)
Elevation: 652 ft. / 199 m (estimated)
Variation: 19E (1984)
From city: 14 miles S of COLFAX, WA
Time zone: UTC -8 (UTC -7 during Daylight Saving Time)
Zip code: 99347

Heliport Operations

Heliport use: Private use. Permission required prior to landing
Activation date: 06/1984
Control tower: no
ARTCC: SEATTLE CENTER
FSS: SEATTLE FLIGHT SERVICE STATION
Attendance: MON-FRI 0730-1600
Wind indicator: yes
Segmented circle: no

Heliport Communications

WX ASOS at PUW (14 nm E): 135.675 (509-334-3222)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
PUWr245/8.9PULLMAN VOR/DME117.1520E
MQGr286/28.9NEZ PERCE VOR/DME114.4520E

Heliport Services

Runway Information

Helipad H1

Dimensions: 28 x 28 ft. / 9 x 9 m
Surface: asphalt, in good condition
Latitude: 46-39.682500N
Longitude: 117-26.279333W
Elevation: 652.0 ft.
Traffic pattern: leftleft

Heliport Ownership and Management from official FAA records

Ownership: Publicly-owned
Owner: U.S. ARMY CORPS OF ENGINEERS
885 ALMOTA FERRY RD
POMEROY, WA 99347
Phone 509-843-1493
Manager: MARTIN T. MENDIOLA
885 ALMOTA FERRY RD
POMEROY, WA 99347
Phone 509-843-2251

Additional Remarks

A52-H1 800' TERRAIN 1300' SOUTH, 500' PLINE 2600' SE.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.

Instrument Procedures

There are no published instrument procedures at WN43.

Some nearby airports with instrument procedures:

KPUW - Pullman/Moscow Regional Airport (14 nm E)
KLWS - Lewiston/Nez Perce County Airport (25 nm SE)
KALW - Walla Walla Regional Airport (49 nm SW)
KGEG - Spokane International Airport (58 nm N)
KSKA - Fairchild Air Force Base (58 nm N)
  
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Area around WN43 (Lower Granite Dam Heliport)
 
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Sectional chart

 
Airport distance calculator
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From to WN43

Sunrise and sunset
Times for 01-Feb-2026
 Local
(UTC-8)		 Zulu
(UTC)
Morning civil twilight06:4214:42
Sunrise07:1515:15
Sunset16:5200:52
Evening civil twilight17:2401:24

Current date and time
Zulu (UTC)  02-Feb-2026 04:51:42
Local (UTC-8)  01-Feb-2026 20:51:42
 
METAR
KPUW 
14nm E 		020353Z AUTO 00000KT 10SM CLR 03/01 A3022 RMK AO2 SLP248 T00330011
KLWS 
25nm SE 		020356Z AUTO 17006KT 10SM CLR 07/01 A3020 RMK AO2 SLP236 T00670006 $
TAF
KPUW 
14nm E 		011739Z 0118/0218 12006KT P6SM OVC120 FM012100 24009KT P6SM SCT040 BKN080 OVC100 PROB30 0122/0202 6SM -RA BR BKN020 OVC040 FM020200 24007KT P6SM SCT025 SCT100 FM021100 13006KT P6SM SCT025
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