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Maddox Ranch Co Airport Private

3MT4 · Chinook, MT · 2,589 ft elevation · var 16E · Towered

Airport information

FAA LID
3MT4
Coordinates
48.5134, -109.0653
Elevation
2,589 ft MSL
Magnetic variation
16E
Sectional chart
GREAT FALLS
Airport use
Private
Control tower
Yes
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
GREAT FALLS
Attendance
ALL ALL
Segmented circle
No
Wind indicator
yes
Activated
1965/03
Distance from city
8 SE

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
04:32 AM10:32Z
Sunrise05:14 AM11:14Z
Sunset09:22 PM03:22Z
Evening civil twilight
Loggable night begins
10:04 PM04:04Z
Loggable night (§1.1)
10:04 PM → 04:32 AM
Night currency (§61.57)
10:22 PM → 04:14 AM

Plan a flight from 3MT4

Runway 04/22

3,650 ft · TURF-GRVL-F
04
Heading
n/a
22
Heading
n/a

Runway 11/29

2,254 ft · TURF-F
11
Heading
n/a
29
Heading
n/a

Nearby navigation aids

NavAidTypeFreqRadial / Dist magnetic
HVR · HavreVOR-DME111.80r077° / 28.1 NM

No published instrument procedures or Chart Supplement for 3MT4. VFR sectional link above.

Services

Fuel available
100LL
Bottled oxygen
NONE
Airframe service
MAJOR
Powerplant service
MAJOR
Parking
tiedowns
Other services
Agricultural, Instruction

Ownership & management

Owner
MADDOX RANCH
3490 STOCKYARD ROAD, CHINOOK, MT
(406) 438-6540
Manager
DAVID MADDOX
3490 STOCKYARD ROAD, CHINOOK, MT
(406) 438-6540

Remarks FAA

  • RY 11 HAS ABRUPT GULLEY 20 FT FM END OF RY.
  • RY 04 LARGE 8 FT DEEP SINKHOLE IN RGT SIDE OF RY 400 FT FM THLD.
  • RY 29 DIRT ROAD CROSSES RY 300 FT BYD THLD.
  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
  • RWY 04/22 LED AND REFLECTORS.

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 3MT4 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.