Airport information
- FAA LID
- MT43
- Coordinates
- 46.3463, -112.3440
- Elevation
- 6,300 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
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1989/02
- Distance from city
- 6 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:58 AM | 10:58Z |
| Sunrise | 05:37 AM | 11:37Z |
| Sunset | 09:25 PM | 03:25Z |
| Evening civil twilight Loggable night begins | 10:04 PM | 04:04Z |
Plan a flight from MT43
Traffic pattern
- Landing
- Rwy 11
- Pattern
- left (turns left)
- TPA
- 7,300 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 11 at 7,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 11/29
2,100 ft × 30 ft · TURF-GRVL- Heading
- n/a
- Traffic pattern
- Left
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 100 ft, 500 ft from threshold
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 2,100 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| HLN · Helena | VORTAC | 117.70 | r210° / 22.5 NM |
| CPN · Coppertown | VOR-DME | 111.60 | r026° / 25.3 NM |
| HIA · Whitehall | VORTAC | 113.70 | r328° / 30 NM |
| DRU · Drummond | VOR | 117.10 | r099° / 38.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for MT43. VFR sectional link above.
Services
- Fuel available
- 100
Ownership & management
Remarks FAA
- PERSONAL USE.
- MOOSE, DEER & ELK FQT THE STRIP.
- 500' OVRNAT S END OF STRIP RUNNING INTO 100' TREES.
- FOR CD CTC HELENA APCH AT 406-449-5756/5761, WHEN APCH CLSD CTC SALT LAKE ARTCC AT 801-320-2568.
- LNDGS TO THE N & TKOFS TO THE S ONLY DUE TO TERRAIN 1500' HIGH 1.2 MILES FM THE RWY.
Nearby airports
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 MT43 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.
About MT43
Klies Air Strip (MT43) is an airport in Basin, MT, at 6,300 ft MSL. It has 1 runway, the longest 2,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MT43, refreshed from the Aviation Weather Center and FAA NASR.
Does MT43 have a control tower?
No. Klies Air Strip is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at MT43?
Klies Air Strip has 1 runway; the longest is 2,100 ft. See the Runways tab for headings, surface, and lighting.
Where is MT43?
Klies Air Strip is in Basin, MT, at an elevation of 6,300 ft MSL. Coordinates: 46.3463, -112.3440.
Fly out of MT43 often?
Save MT43 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.