Airport information
- FAA LID
- 3U3
- Coordinates
- 46.1531, -112.8680
- Elevation
- 5,034 ft MSL
- Magnetic variation
- 14E
- 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
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1963/05
- Distance from city
- 3 NE
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 | 05:01 AM | 11:01Z |
| Sunrise | 05:40 AM | 11:40Z |
| Sunset | 09:26 PM | 03:26Z |
| Evening civil twilight Loggable night begins | 10:05 PM | 04:05Z |
Loggable night (§1.1)
10:05 PM → 05:01 AM
Night currency (§61.57)
10:26 PM → 04:40 AM
Plan a flight from 3U3
Runway 04/22
4,074 ft × 60 ft · Asphalt (Excellent) 04
- Heading
- 043° mag · 57° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3.25°)
- Traffic pattern
- Left
22
- Heading
- 223° mag · 237° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
Runway 16/34
6,011 ft × 75 ft · ASP 16
- Heading
- 166° mag · 180° true
34
- Heading
- 346° mag · 360° true
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CNTR | 132.4 | SALT LAKE CITY CNTR |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CPN · Coppertown | VOR-DME | 111.60 | r310° / 8.8 NM |
| DRU · Drummond | VOR | 117.10 | r138° / 31.9 NM |
| HIA · Whitehall | VORTAC | 113.70 | r283° / 34 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
- Other services
- Agricultural, Air ambulance
Ownership & management
Owner
ANACONDA DEERLODGE COUNTY
800 S. MAIN ST, ANACONDA, MT
406-563-4000
Manager
MONTE BELGARDE
800 S MAIN ST, ANACONDA, MT
406-490-3627
Remarks FAA
- ROTG BCN LCTD MIDWAY OF RWY 04/22 & OFFSET 700 FT SE OF CNTRLN.
- UNLIGHTED HAZARDOUS STACK; 585 FT AGL LCTD 3.2 NM SW OF ARPT.
- COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -25C.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- AWOS AVBL 124.175 MHZ AND 406-563-8275
- SEE HTTPS://WEATHERCAMS.FAA.GOV OR CALL AMGR FOR CURRENT RWY CONDS.
- ACTVT PAPI RWY 04, 17, 22, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
- ARPT UNATNDD. CONDS UNMONITORED 1700 - 0800.
- PCR VALUE: 150/F/D/X/T
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 3U3 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.