Reference only — not for real-world navigation.
WN43
Lower Granite Dam Heliport · Colfax
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
652 ft / 199 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
H1/ · 28 ft · ASPH/ CONCUNLITFlight Planning
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Welcome to the technical flight briefing for Lower Granite Dam Heliport (WN43), located in Colfax, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 652 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Lower Granite Dam Heliport
ICAO / IATA
WN43 / —
Municipality
Colfax
Country
Region
US-WA — Washington
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
652 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway H1 /
UNLIT
Runway Length: 28 ft / 9 m
Runway Width: 28 ft / 9 m
Surface Type: ASPH/ CONC
Heading: —° / —°
Runway Width: 28 ft / 9 m
Surface Type: ASPH/ CONC
Heading: —° / —°
RWY H1
No ILS / Visual Only
RWY
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026