MADDOX RANCH COMPANY
CHINOOK, MT
Maddox Ranch Company (3MT4) is a privately owned, non-towered airport in Chinook, Montana. The longest of 2 runways is 06/24 at 3,650 feet by 50 feet of gravel, with Runway 09/27 at 2,254 feet by 55 feet of turf rounding out the layout.
Operations are restricted to visual flight rules, as no instrument approach procedures are published. Arriving and departing aircraft self-announce their positions on the common traffic advisory frequency, 122.8 MHz. The field sells 100LL avgas. As a private-use facility, it is not open to transient traffic without prior permission.
The field rests at 2,589 feet above mean sea level.