Saint Labre Mission Airport
3U4 · Ashland, 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 09:03 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:18 AM | 11:18Z |
| Sunrise | 05:52 AM | 11:52Z |
| Sunset | 08:30 PM | 02:30Z |
| Evening civil twilight Loggable night begins | 09:03 PM | 03:03Z |
Plan a flight from 3U4
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 13LEFT traffic
- Heading
- 132° mag · 145° true
- Dimensions
- 3,830 × 95 ft
- TPA
- 3,900 ft MSL (≈1,000 AGL) · standard
- Surface
- GRVL-DIRT
- CTAF
- 122.8
Enter the left downwind (heading 312°) on the 45° at 3,900 ft MSL (≈1,000 AGL).
More details — RWY 13
- Threshold elev
- 2,902 ft
- Approach obstacle
- Tree, 52 ft, 114 ft from threshold, 33 ft R of centerline — 2:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 13/31 | 3,830 ft |
Prefer one flat page? Full runway details for 3U4 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3U4 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All 3U4 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 3U4
- Coordinates
- 45.6066, -106.2745
- Elevation
- 2,909 ft MSL
- Magnetic variation
- 13E
- Sectional chart
- BILLINGS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1964/10
- Distance from city
- 1 NW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.8 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- VEHICLES & HORSES INVOF RY.
- 100' LIGHTED ANTENNA 1/2 MILE SW OF ARPT ON HILL.
- NUMEROUS TREES ON E SIDE OF RY FULL LENGTH TO +60 FT IN TRANSITIONAL SURFACES.
- RY 31 -8' TERRAIN DROPOFF BEGINNING 35' FM EOR WITH DENSE BRUSH.
- RY 13 HAS -10 FT TERRAIN DROPOFF BEGINNING 15 FT FM EOR WITH DENSE BRUSH CREEK.
- RY 13/31 1 FT TO 2 FT DIRT BERM ON EDGE OF RY AND THLDS.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
Runways
- MUDDY WHEN WET.
Obstructions
- RY 31 NUMEROUS TREES IN BOTH APCH SFCS WITHIN 180' OF RY ENDS.
Contact
- 406-477-6625 AT NIGHT OR 406-983-4500.
Nearby airports
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Also nearby: 1M6 Stevens Ranch Airport (20 NM) · M46 Colstrip Airport (23 NM) · 00F Broadus Airport (35 NM) · 07WY Stallions Airport (39 NM) · 1S3 Tillitt Field (42 NM)
About 3U4
Saint Labre Mission Airport (3U4) is an airport in Ashland, MT, at 2,909 ft MSL. It has 1 runway, the longest 3,830 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3U4, refreshed from the Aviation Weather Center and FAA NASR.
Does 3U4 have a control tower?
No. Saint Labre Mission Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3U4?
Saint Labre Mission Airport has 1 runway; the longest is 3,830 ft. See the Runways section for headings, surface, and lighting.
Where is 3U4?
Saint Labre Mission Airport is in Ashland, MT, at an elevation of 2,909 ft MSL. Coordinates: 45.6066, -106.2745.
Fly out of 3U4 often?
Save 3U4 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 3U4 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.