Airport information
- FAA LID
- 3U5
- Coordinates
- 47.4633, -112.3800
- Elevation
- 4,145 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1963/08
- Distance from city
- 2 SE
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 | 04:52 AM | 10:52Z |
| Sunrise | 05:32 AM | 11:32Z |
| Sunset | 09:30 PM | 03:30Z |
| Evening civil twilight Loggable night begins | 10:11 PM | 04:11Z |
Plan a flight from 3U5
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01 · 012°
- Pattern
- left (turns left)
- TPA
- 5,100 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 01 at 5,100 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
3,650 ft × 75 ft · Turf (Good)- Heading
- 012° mag · 29° true
- Traffic pattern
- Left
- Heading
- 192° mag · 209° true
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 3,650 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GTF · Great Falls | VORTAC | 115.10 | r256° / 39.3 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Remarks FAA
- UNLIMITED VEHICLE ACCESS TO ARPT.
- WILDLIFE ON & INVOF ARPT INCLUDING RATTLESNAKES.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- NO SN REMOVAL
- SHOOTING RANGE ADJ TO ARPT.
- MKD WITH W CONES.
- MKD WITH W CONES.
- GOPHER HOLES ON RWY SFC.
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 3U5 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 3U5
Augusta Airport (3U5) is an airport in Augusta, MT, at 4,145 ft MSL. It has 1 runway, the longest 3,650 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3U5, refreshed from the Aviation Weather Center and FAA NASR.
Does 3U5 have a control tower?
No. Augusta Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 3U5?
Augusta Airport has 1 runway; the longest is 3,650 ft. See the Runways tab for headings, surface, and lighting.
Where is 3U5?
Augusta Airport is in Augusta, MT, at an elevation of 4,145 ft MSL. Coordinates: 47.4633, -112.3800.
Fly out of 3U5 often?
Save 3U5 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.