Reference only — not for real-world navigation.
KW99
Grant County Airport · Petersburg
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
963 ft / 294 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
13/31 · 5,000 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Grant County Airport (KW99), located in Petersburg, 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 963 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Grant County Airport
ICAO / IATA
KW99 / PGC
Municipality
Petersburg
Country
Region
US-WV — West Virginia
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
963 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 13 / 31
ILS EQUIPPEDLIGHTED
Runway Length: 5,000 ft / 1,524 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 122° / 302°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 122° / 302°
RWY 13 (122°)
No ILS / Visual Only
RWY 31 (302°)
111.50 MHz
IDENT: IYQ | CRS: 285°
AWOS AWOS 3
124.47 MHz
CNTR WASHINGTON CNTR
133.65 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026