Reverse 5 Bar M Private
31MT · Great Falls, 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 08:02 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:36 AM | 12:36Z |
| Sunrise | 07:06 AM | 13:06Z |
| Sunset | 07:31 PM | 01:31Z |
| Evening civil twilight Loggable night begins | 08:02 PM | 02:02Z |
Plan a flight from 31MT
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…
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Runways
RWY 21LEFT traffic
- Heading
- 210° true
- Dimensions
- 1,337 × 40 ft
- TPA
- 5,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 030°) on the 45° at 5,300 ft MSL (≈1,000 AGL).
More details — RWY 21
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 |
|---|---|---|
| 03/21 | 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: 1MT7 Prill Field (private) (13 NM) · 3MT7 Cascade Field (private) (17 NM) · MT49 Horner Field (private) (21 NM) · MT77 Peterson Ranch (private) (28 NM) · MT86 Bar E (private) (33 NM)
About 31MT
Reverse 5 Bar M (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 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 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 is in Great Falls, MT, at an elevation of 4,260 ft MSL. Coordinates: 47.2364, -111.3023.
More about 31MT
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.
Something here wrong or out of date? Report a data problem.