Reference only — not for real-world navigation.
K1O1
Grandfield Municipal Airport · Grandfield
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,128 ft / 344 m
Transition Altitude
18,000 ft
Primary Channel
CTAF 122.80 MHz (CTAF)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Grandfield Municipal Airport (K1O1), located in Grandfield, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 1,128 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
Grandfield Municipal Airport
ICAO / IATA
K1O1 / —
Municipality
Grandfield
Country
Region
US-OK — Oklahoma
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,128 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 17 / 35
LIGHTED
Runway Length: 3,100 ft / 945 m
Runway Width: 75 ft / 23 m
Surface Type: ASPH-F
Heading: 181° / 1°
Runway Width: 75 ft / 23 m
Surface Type: ASPH-F
Heading: 181° / 1°
RWY 17 (181°)
No ILS / Visual Only
RWY 35 (1°)
No ILS / Visual Only
Runway 08 / 26
UNLIT
Runway Length: 1,540 ft / 469 m
Runway Width: 75 ft / 23 m
Surface Type: ASPH-F
Heading: 90° / 270°
Runway Width: 75 ft / 23 m
Surface Type: ASPH-F
Heading: 90° / 270°
RWY 08 (90°)
No ILS / Visual Only
RWY 26 (270°)
No ILS / Visual Only
CTAF CTAF
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026