Castleberry Airport Private
MT45 · Ekalaka, MT · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-03 · night begins 08:59 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:09 AM | 11:09Z |
| Sunrise | 05:43 AM | 11:43Z |
| Sunset | 08:25 PM | 02:25Z |
| Evening civil twilight Loggable night begins | 08:59 PM | 02:59Z |
Plan a flight from MT45
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 11LEFT traffic
- Heading
- 098° mag · 110° true
- Dimensions
- 1,100 × 40 ft
- TPA
- 4,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 278°) on the 45° at 4,400 ft MSL (≈1,000 AGL).
More details — RWY 11
- Approach obstacle
- Pline, 100 ft, 2,200 ft from threshold
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 1,100 ft |
Prefer one flat page? Full runway details for MT45 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the MT45 kneeboard →
Comms & NavAids
No published frequencies, ILS, or nearby navaids for MT45.
Charts & procedures
No published instrument procedures or Chart Supplement for MT45 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- MT45
- Coordinates
- 45.9089, -104.5760
- Elevation
- 3,373 ft MSL
- Magnetic variation
- 12E
- 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
- Wind indicator
- yes
- Activated
- 1983/05
- Distance from city
- 2 NW
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Obstructions
- 4' FENCE 100 FEET FROM RWY.
Nearby airports
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Also nearby: 97M Ekalaka Airport (2 NM) · MT05 Laird Ranch Airport (private) (15 NM) · SD76 Tennant Ranch Airport (private) (27 NM) · 8OA5 Camp Crook Municipal Airport (33 NM) · NA22 Vernon Miller Private Airport (33 NM)
About MT45
Castleberry Airport (MT45) is an airport in Ekalaka, MT, at 3,373 ft MSL. It has 1 runway, the longest 1,100 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for MT45, refreshed from the Aviation Weather Center and FAA NASR.
Does MT45 have a control tower?
No. Castleberry Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at MT45?
Castleberry Airport has 1 runway; the longest is 1,100 ft. See the Runways section for headings, surface, and lighting.
Where is MT45?
Castleberry Airport is in Ekalaka, MT, at an elevation of 3,373 ft MSL. Coordinates: 45.9089, -104.5760.
Fly out of MT45 often?
Save MT45 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 MT45 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.