Reference only — not for real-world navigation.
K4I7
Putnam County Airport · Greencastle
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
842 ft / 257 m
Transition Altitude
18,000 ft
Primary Channel
APP 121.10 MHz (INDIANAPOLIS APP)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
18/36 · 5,000 ft · AsphaltLIGHTEDFlight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Putnam County Airport (K4I7), located in Greencastle, 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 842 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
Putnam County Airport
ICAO / IATA
K4I7 / —
Municipality
Greencastle
Country
Region
US-IN — Indiana
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
842 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 18 / 36
LIGHTED
Runway Length: 5,000 ft / 1,524 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 181.1° / 1.1°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 181.1° / 1.1°
RWY 18 (181.1°)
No ILS / Visual Only
RWY 36 (1.1°)
No ILS / Visual Only
APP INDIANAPOLIS APP
121.10 MHz
AWOS AWOS 3
118.13 MHz
DEP INDIANAPOLIS DEP
31.78 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026