Gregory Muni/Flynn Field
9D1 · Gregory, South Dakota · Gregory County · map
Gregory Muni/Flynn Field is a public-use airport owned by the City of Gregory, 1 mile southeast of Gregory, South Dakota, 2,174 feet above sea level. Its one runway, 13/31, is 3,799 feet of asphalt. It has fuel (100LL avgas, Jet A).
The airport
- Codes
- FAA 9D1
- Kind
- Airport · open to the public · publicly owned
- Owner
- City of Gregory
- Elevation
- 2,174 feet above sea level
- Control tower
- No control tower
- Attended
- every day, dawn to dusk
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Repairs
- airframe: minor repairs; engine: minor repairs
- Parking
- tiedown
- On the chart
- Omaha sectional
- Magnetic variation
- 7E
- In the FAA's files since
- December 1949
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 13/31 | 3,799 × 60 ft | Asphalt, excellent | Medium-intensity lights |
- Runway 13: PAPI, two lights on the left
- Runway 31: PAPI, two lights on the left, other 38 ft high 1,282 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | · Automated UNICOM. |
| Apt Remark 2 With Gco Freq | 121.725 | · Gco available on frequency 121.725 (4 clicks to minneapolis center) |
| Pierre and center (remote transmitter) Low | 125.1 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Gregory from the FAA register
11 aircraft are registered to owners in Gregory, South Dakota: 9 piston singles, 2 drones. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in South Dakota.
Accidents and incidents at or near this airport NTSB records
No NTSB accident or incident records name this airport.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- Activate medium-intensity runway lights runway 13/31 and PAPI runways 13 and 31 - the common traffic frequency.
- Automated UNICOM.
- Concrete plant located aproply 1282 feet off end of runway 31.
- Gco available on frequency 121.725 (4 clicks to minneapolis center)
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.