Reference only — not for real-world navigation.
KGYI
North Texas Regional Airport Perrin Field · Denison
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
749 ft / 228 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 118.78 MHz (AWOS 3)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
17L/35R · 9,000 ft · PEMLIGHTED17R/35L · 8,000 ft · AsphaltUNLIT13/31 · 2,300 ft · AsphaltUNLITFlight Planning
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Welcome to the technical flight briefing for North Texas Regional Airport Perrin Field (KGYI), located in Denison, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 749 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
North Texas Regional Airport Perrin Field
ICAO / IATA
KGYI / PNX
Municipality
Denison
Country
Region
US-TX — Texas
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
749 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 17L / 35R
LIGHTED
Runway Length: 9,000 ft / 2,743 m
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 181.8° / 1.8°
Runway Width: 150 ft / 46 m
Surface Type: PEM
Heading: 181.8° / 1.8°
RWY 17L (181.8°)
No ILS / Visual Only
RWY 35R (1.8°)
No ILS / Visual Only
Runway 17R / 35L
UNLIT
Runway Length: 8,000 ft / 2,438 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 181.8° / 1.8°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 181.8° / 1.8°
RWY 17R (181.8°)
No ILS / Visual Only
RWY 35L (1.8°)
No ILS / Visual Only
Runway 13 / 31
UNLIT
Runway Length: 2,300 ft / 701 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 142.9° / 322.9°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 142.9° / 322.9°
RWY 13 (142.9°)
No ILS / Visual Only
RWY 31 (322.9°)
No ILS / Visual Only
A/D FORT WORTH APP/DEP
124.75 MHz
AWOS AWOS 3
118.78 MHz
RDO FORT WORTH RDO
122.30 MHz
UNIC CTAF/UNICOM
122.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026