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
- Yes
- 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 2026-06-20
| 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 |
Loggable night (§1.1)
10:11 PM → 04:52 AM
Night currency (§61.57)
10:30 PM → 04:32 AM
Plan a flight from 3U5
Runway 01/19
3,650 ft × 75 ft · Turf (Good) 01
- Heading
- 012° mag · 29° true
- Traffic pattern
- Left
19
- Heading
- 192° mag · 209° true
- Traffic pattern
- Left
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
Owner
MONTANA AERONAUTICS DIVISION
PO BOX 200507, HELENA, MT
406-444-2506
Manager
TIM CONWAY
PO BOX 200507, HELENA, MT
406-444-2506
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.