Putnam County Airport
Daylight today(Sep 1, 2026, local time)
About 13h 4m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Putnam County Airport
Putnam County Airport (GPC),, is a public airport 3 miles (4.8 km) southeast of Greencastle, in Putnam County, Indiana, United States. The airport was founded in January 1947. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a local general aviation facility.
Summary from Wikipedia licensed under CC BY-SA.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 18 / 36 | 5,002 ft / 1,525 m | 100 ft | Asp | Lighted | Open |
Radio frequencies (4)
| Type | Description | Frequency |
|---|---|---|
| APP | INDIANAPOLIS APP | 121.100 MHz |
| AWOS | AWOS 3 | 118.125 MHz |
| DEP | INDIANAPOLIS DEP | 31.780 MHz |
| UNIC | CTAF/UNICOM | 122.800 MHz |
Services & operations
From the airport’s official website — details may change, so confirm with the airport. Official site
Nearby airports
Great-circle distance and true bearing from Putnam County Airport.
Frequently asked questions
Where is Putnam County Airport located?
Putnam County Airport is small airport located in Greencastle, United States, at an elevation of 842 ft (257 m).
How many runways does Putnam County Airport have?
Putnam County Airport has 1 runway, the longest being 5,002 ft / 1,525 m.
What time zone is Putnam County Airport in?
Putnam County Airport is in the America/Indiana/Indianapolis time zone (UTC-04:00).
What is the magnetic variation at Putnam County Airport?
The magnetic variation (declination) at Putnam County Airport is approximately 4.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Putnam County Airport?
The nearest airport to Putnam County Airport is Hampton Field (38II), about 5.8 nm to the n, followed by Clover Knoll Airport and Cooper Field.
Is the information on this page suitable for flight planning?
No. Putnam County Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.