Maddox Ranch Company Private
3MT4 · Chinook, MT · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-18 · night begins 07:54 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:26 AM | 12:26Z |
| Sunrise | 06:57 AM | 12:57Z |
| Sunset | 07:23 PM | 01:23Z |
| Evening civil twilight Loggable night begins | 07:54 PM | 01:54Z |
Plan a flight from 3MT4
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 24LEFT traffic
- Heading
- 236° mag · 252° true
- Dimensions
- 3,650 × 50 ft
- TPA
- 3,600 ft MSL (≈1,000 AGL) · standard
- Surface
- GRAVEL
- CTAF
- 122.8
Enter the left downwind (heading 056°) on the 45° at 3,600 ft MSL (≈1,000 AGL).
More details — RWY 24
- Threshold elev
- 2,576 ft
- Approach obstacle
- Pole, 22 ft, 150 ft from threshold, 75 ft R of centerline — 6:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 06/24 | 3,650 ft | |
| 09/27 | 2,254 ft |
Prefer one flat page? Full runway details for 3MT4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3MT4 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
HVR 114.65
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| HVR · Havre | VOR/DME | 114.65 · 93Y | Low | r077° / 28.1 NM |
Prefer one flat list? All 3MT4 frequencies →
Charts & procedures
No published instrument procedures or Chart Supplement for 3MT4 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3MT4
- Coordinates
- 48.5135, -109.0647
- Elevation
- 2,589 ft MSL
- Magnetic variation
- 16E
- Sectional chart
- GREAT FALLS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- Attendance
- ALL ALL
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1965/03
- Distance from city
- 8 SE
Night operations
- Airport lighting
- SS-SR
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Agricultural, Instruction
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- 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.
Lighting
- RWY 04/22 LED AND REFLECTORS.
Nearby airports
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Also nearby: S71 Edgar G Obie (9 NM) · 48S Harlem (12 NM) · 6U6 Hogeland (26 NM) · 9U0 Turner (33 NM) · CW0 Cow Creek (34 NM)
About 3MT4
Maddox Ranch Company (3MT4) is an airport in Chinook, MT, at 2,589 ft MSL. It has 2 runways, the longest 3,650 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3MT4, refreshed from the Aviation Weather Center and FAA NASR.
Does 3MT4 have a control tower?
No. Maddox Ranch Company is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3MT4?
Maddox Ranch Company has 2 runways; the longest is 3,650 ft. See the Runways section for headings, surface, and lighting.
Where is 3MT4?
Maddox Ranch Company is in Chinook, MT, at an elevation of 2,589 ft MSL. Coordinates: 48.5135, -109.0647.
More about 3MT4
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. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.