Maddox Ranch Company Airport

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Location

Latitude: 
 48-30-48.6000N (48.5135)
Longitude: 
 109-03-52.8000W (-109.064667)
Elevation: 
 2589.0 feet MSL (789 m MSL)
Magnetic Variation: 
 10.7 E (as of December 2025 from WMM2020 model)
Time Zone: 
 UTC -7.0 (Standard Time)
UTC -6.0 (Daylight Savings Time)
From City: 
 08 N.M. SE of Chinook, Montana
Found On: 
 Great Falls Chart
FAA Region: 
 ANM

Contacts

Manager: 
Privately owned: 
DAVID MADDOX
3490 STOCKYARD ROAD
CHINOOK, MT 59523
(406) 438-6540		 MADDOX RANCH
3490 STOCKYARD ROAD
CHINOOK, MT 59523
(406) 438-6540

Operations

Airport Status: 
 Operational
Facility Use: 
 Private
Type: 
 Airport
Activation Date: 
 03/1965
Control tower: 
 No
Attendance (Months/Days/Hours): 
 Months/Days/Hours
ALL/ALL/ALL
Boundary ARTCC: 
 ZLC (Salt Lake City)
Responsible ARTCC: 
 ZLC (Salt Lake City)
Lighting Schedule: 
 SS-SR
Segmented Circle Indicator: 
 No
Traffic Pattern Altitude (MSL): 
 3589 feet (1094 m)
NOTAM-D Service: 
 No

Based Aircraft

Annual Operations (as of )

Communications

CTAF:  122.800
Unicom:  122.800

       

    Fixed Based Operators (FBOs) & Fuel

    (Click on a business for detail)
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    Area Code: 406
    Business Name Frequency Phone Fuel Grade
    John Hebbelman
      
    		357-4233 100LL
    To add, modify, or delete a business
    .

    Flight Service Stations

    Primary Alternate
    FSS on Field:  N
    FSS Name (ID):  Great Falls(GTF)
    Frequency: 
    Toll Free Phone:  1-800-WX-BRIEF

    Instrument Procedures / Charts

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    Navigation Aids (Navaids) near 4U4

    Navigational Aid (NAVAID) distances from the airport are listed in Nautical Miles (NM).

    Nearby Airports with Fuel

    Dist (NM) Name (Airport IDs) True Hdg Mag Hdg Fuel Grade
    0.0 Maddox Ranch Company Airport
    (3MT4)    		 0 349 100LL
    8.8 Edgar G Obie Airport
    (S71)    		 302 291 100LL
    27.8 Havre City-County Airport
    (HVR KHVR HVR)    		 273 262 100LL, Jet A+
    46.4 Malta Airport
    (MLK M75)    		 100 90 100LL, Jet A+
    46.8 Big Sandy Airport
    (3U8)    		 243 232 100LL
    74.6 Fort Benton Airport
    (79S)    		 238 227 100LL
    76.6 Liberty County Airport
    (KLTY LTY)    		 270 258 100LL
    89.3 Lewistown Municipal Airport
    (LWT KLWT LWT)    		 190 179 100, 100LL, Jet A
    94.5 Stanford/Biggerstaff Field Airport
    (S64)    		 210 199 100LL
    99.3 Wokal Field/Glasgow-Valley County Airport
    (GGW KGGW GGW)    		 99 90 100LL, Jet A-1+

    Notices to Airmen (NOTAMS)

    NOTAMs

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    NM of 3MT4

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    NM of 3MT4

    Remarks

    A110-1 RY 11 HAS ABRUPT GULLEY 20 FT FM END OF RY.
    A110-2 RY 04 LARGE 8 FT DEEP SINKHOLE IN RGT SIDE OF RY 400 FT FM THLD.
    A110-3 RY 29 DIRT ROAD CROSSES RY 300 FT BYD THLD.
    A110-4 FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
    A40-06/24 RWY 04/22 LED AND REFLECTORS.

    Runways

    Runway Summary

    Runways: 06/24
    09/27
    Longest Runway: 06/24 is 3650 ft (1113 m) long
    Runways with an Instrument Approach:

    4U4 Airport Runway Details

    Runway 06/24  3650 ft x 50 ft (1113 m x 15 m)
    Surface:  Gravel - Fair condition - No special surface treatment
    Runway Edge Lights:  Non-standard lighting system Intensity

    Runway 06

    Runway 24
    Elevation: 
    		 2589.0 2576.0
    Latitude: 
    		 48-30-42.0849N 48-30-53.4378N
    Longitude: 
    		 109-04-23.0017W 109-03-31.5416W
    Runway True Alignment: 
    		 072 252
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Left Left
    Object at End: 
    		 POLE
    Object Height: 
    		 22
    Distance from End: 
    		 150
    Object Centerline Offset: 
    		 75 ft. right of centerline

    Runway 09/27  2254 ft x 55 ft (687 m x 17 m)
    Surface:  Gravel - Fair condition - No special surface treatment

    Runway 09

    Runway 27
    Elevation: 
    		 2575.0 2584.0
    Latitude: 
    		 48-30-53.0400N 48-30-46.9272N
    Longitude: 
    		 109-04-01.7435W 109-03-29.5475W
    Runway True Alignment: 
    		 106 286
    Glide Path Angle: 
    		 0.0 degrees 0.0 degrees
    Traffic Pattern: 
    		 Left Left
    Object at End: 
    		 FENCE
    Object Height: 
    		 4
    Distance from End: 
    		 40
    Object Centerline Offset: 
    		 75 ft. right of centerline

    Services

    Airframe Repair: 
    		 Major
    Powerplant Repair: 
    		 Major
    Bottled Oxygen: 
    		 High Pressure / Low Pressure
    Bulk Oxygen: 
    		 High Pressure / Low Pressure
    Fuel Available: 
    		 100LL, Jet A-1+
    Landing Fees: 
    		 No
    Parking: 
    		 Hangars and tiedowns available

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