Airport information
- FAA LID
- 3U7
- Coordinates
- 47.4809, -112.8709
- Elevation
- 5,434 ft MSL
- Magnetic variation
- 18E
- 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
- 1965/03
- Distance from city
- 19 W
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 | 04:53 AM | 10:53Z |
| Sunrise | 05:34 AM | 11:34Z |
| Sunset | 09:32 PM | 03:32Z |
| Evening civil twilight Loggable night begins | 10:13 PM | 04:13Z |
Loggable night (§1.1)
10:13 PM → 04:53 AM
Night currency (§61.57)
10:32 PM → 04:34 AM
Plan a flight from 3U7
Runway 12/30
6,000 ft × 100 ft · Asphalt (Poor) 12
- Heading
- 122° mag · 140° true
- Markings
- basic
- Traffic pattern
- Left
30
- Heading
- 302° mag · 320° true
- Markings
- basic
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Parking
- tiedowns
Ownership & management
Owner
U S FOREST SERVICE
LEWIS & CLARK NATNL FOREST, CHOTEAU, MT
406-791-7700
Manager
BJORN TROBERG
HELENA & LEWIS & CLARK NAT FORESTS, 2880 SKYWAY DRIVE, HELENA, MT
(406) 495-3832
Remarks FAA
- WI LEWIS & CLARK NATIONAL FOREST.
- SNOW REMOVAL NA.
- MTS PARL E & W; IN TRSN SFC.
- SVCS NA.
- FONE NA; CABIN 1 MI NW.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- 3 WDI; BOTH ENDS & MIDPT.
- PSBL MOD-SVR CROSSWIND & TURB.
- RISES UPHILL 120 FT; RISING TRRN BYD.
- RCMDD DEP COND PMTG.
- +58 FT TREES ON CNTRLN.
- +250 FT TREES ON CNTRLN.
- 33:1 TO THR. +65 FT TREES 0-150 FT R 2150 FT FM RWY END.
- LRG CRACKS & WEEDS FULL LEN.
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 3U7 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.