Prevost Private
20MT · Lambert, MT · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-02 · night begins 05:12 PM
| Event | Local (MST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:12 AM | 13:12Z |
| Sunrise | 06:44 AM | 13:44Z |
| Sunset | 04:39 PM | 23:39Z |
| Evening civil twilight Loggable night begins | 05:12 PM | 00:12Z |
Plan a flight from 20MT
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 18LEFT traffic
- Heading
- 180° true
- Dimensions
- 2,921 × 90 ft
- TPA
- 3,300 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 000°) on the 45° at 3,300 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 |
|---|---|---|
| 18/36 | 2,921 ft |
Prefer one flat page? Full runway details for 20MT → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 20MT kneeboard →
Comms & NavAids
No published frequencies, ILS, or nearby navaids for 20MT.
Charts & procedures
No published instrument procedures or Chart Supplement for 20MT — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 20MT
- Coordinates
- 47.6917, -104.5881
- Elevation
- 2,348 ft MSL
- Sectional chart
- BILLINGS
- Airport use
- Private
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 2013/03
- Distance from city
- 20 SW
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: 69MT Flying H (private) (6 NM) · 02MT Steppler Field (private) (18 NM) · 7U8 Richey (20 NM) · 5U6 Fairview (23 NM) · S85 Big Sky Field (28 NM)
About 20MT
Prevost (20MT) is an airport in Lambert, MT, at 2,348 ft MSL. It has 1 runway, the longest 2,921 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 20MT, refreshed from the Aviation Weather Center and FAA NASR.
Does 20MT have a control tower?
No. Prevost is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 20MT?
Prevost has 1 runway; the longest is 2,921 ft. See the Runways section for headings, surface, and lighting.
Where is 20MT?
Prevost is in Lambert, MT, at an elevation of 2,348 ft MSL. Coordinates: 47.6917, -104.5881.
More about 20MT
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 20MT 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.