Maddox Ranch Company Airport
3MT4 · Chinook, Montana · Blaine County · map
Maddox Ranch Company Airport is a private airport owned by Maddox Ranch, 8 miles southeast of Chinook, Montana, 2,589 feet above sea level. It has 2 runways; the longest, 06/24, is 3,650 feet of gravel. It has fuel (100LL avgas).
Private use: permission from the owner is required before landing here.
The airport
- Codes
- FAA 3MT4
- Kind
- Airport · private use, permission required · privately owned
- Owner
- Maddox Ranch
- Elevation
- 2,589 feet above sea level
- Control tower
- No control tower
- Attended
- around the clock
- Lights
- runway lights sunset to sunrise
- Fuel
- 100LL avgas
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- tiedown
- On the chart
- Great Falls sectional
- Magnetic variation
- 16E
- In the FAA's files since
- March 1965
Runways 2
For understanding the field, not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 3,650 × 50 ft | Gravel, fair | Non-standard lights |
| 09/27 | 2,254 × 55 ft | Grass, fair |
- Runway 24: pole 22 ft high 150 ft from the end
- Runway 27: fence 4 ft high 40 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 |
Aircraft registered in Chinook from the FAA register
7 aircraft are registered to owners in Chinook, Montana: 7 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.
Companies and organisations in town with two or more aircraft:
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
- Runway 11 has abrupt gulley 20 feet from end of runway.
- Runway 04/22 led and reflectors.
- Runway 04 large 8 feet deep sinkhole in right side of runway 400 feet from thld.
- Runway 29 dirt road crosses runway 300 feet beyond thld.
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.