Tillitt Field
1S3 · Forsyth, Montana · Rosebud County · map
Tillitt Field is a public-use airport owned by the County of Rosebud, 3 miles east of Forsyth, Montana, 2,729 feet above sea level. Its one runway, 09/27, is 4,799 feet of asphalt. It has fuel (100LL avgas).
The airport
- Codes
- FAA 1S3
- Kind
- Airport · open to the public · publicly owned
- Owner
- County of Rosebud
- Elevation
- 2,729 feet above sea level
- Control tower
- No control tower
- Attended
- every day, irregular hours
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- hangar, tiedown
- On the chart
- Billings sectional
- Magnetic variation
- 9E
- In the FAA's files since
- September 1943
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 09/27 | 4,799 × 75 ft | Asphalt, good | Medium-intensity lights |
- Runway 09: PAPI, two lights on the left
- Runway 27: PAPI, two lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| 1S3 AWOS-3PT | 121.125 | |
| Miles City Rco | 122.2 | Miles City · Communications provided by great falls radio on 122.2 (miles city rco). |
| Miles City Center (remote transmitter) Low | 126.85 |
Automated weather (AWOS-3PT), by phone 406-346-2571.
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 Forsyth from the FAA register
39 aircraft are registered to owners in Forsyth, Montana: 39 piston singles. 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 Montana.
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
- Medium-intensity runway lights runway 09/27 opers DUSK-2200; aft 2200 activate - the common traffic frequency. Activate PAPI runways 09 and 27 - the common traffic frequency.
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.