Reverse 5 Bar M Airport Private
31MT · Great Falls, MT · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:30 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:32 AM | 11:32Z |
| Sunrise | 06:07 AM | 12:07Z |
| Sunset | 08:54 PM | 02:54Z |
| Evening civil twilight Loggable night begins | 09:30 PM | 03:30Z |
Plan a flight from 31MT
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 3LEFT traffic
- Heading
- 030° true
- Dimensions
- 1,337 × 40 ft
- TPA
- 5,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 210°) on the 45° at 5,300 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 3/21 | 1,337 ft |
Prefer one flat page? Full runway details for 31MT → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 31MT kneeboard →
Comms & NavAids
Nearby navigation aids
GTF 115.10
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| GTF · Great Falls | VORTAC | 115.10 · 98X | High | r145° / 13.6 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 31MT — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 31MT
- Coordinates
- 47.2364, -111.3023
- Elevation
- 4,260 ft MSL
- 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
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 2017/12
- Distance from city
- 15 S
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Nearby airports
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Also nearby: MT76 Smith Farms Airport (private) (12 NM) · 1MT7 Prill Field (private) (13 NM) · MT33 Bair Airport (13 NM) · MT49 Horner Field (private) (21 NM) · MT77 Peterson Ranch Airport (private) (28 NM)
About 31MT
Reverse 5 Bar M Airport (31MT) is an airport in Great Falls, MT, at 4,260 ft MSL. It has 1 runway, the longest 1,337 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 31MT, refreshed from the Aviation Weather Center and FAA NASR.
Does 31MT have a control tower?
No. Reverse 5 Bar M Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 31MT?
Reverse 5 Bar M Airport has 1 runway; the longest is 1,337 ft. See the Runways section for headings, surface, and lighting.
Where is 31MT?
Reverse 5 Bar M Airport is in Great Falls, MT, at an elevation of 4,260 ft MSL. Coordinates: 47.2364, -111.3023.
Fly out of 31MT often?
Save 31MT as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 31MT 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.