Airport information
- FAA LID
- 4U7
- Coordinates
- 45.8606, -114.2200
- Elevation
- 4,247 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
- UNATTNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1958/06
- Distance from city
- 5 SW
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 | 05:08 AM | 11:08Z |
| Sunrise | 05:46 AM | 11:46Z |
| Sunset | 09:30 PM | 03:30Z |
| Evening civil twilight Loggable night begins | 10:09 PM | 04:09Z |
Loggable night (§1.1)
10:09 PM → 05:08 AM
Night currency (§61.57)
10:30 PM → 04:46 AM
Plan a flight from 4U7
Runway 02/20
2,600 ft × 65 ft · TURF-GRVL (Good) 02
- Heading
- 022° mag · 39° true
- Traffic pattern
- Left
20
- Heading
- 202° mag · 219° true
- Traffic pattern
- Left
No published frequencies or nearby navaids for 4U7.
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
TEX IRWIN
5855 WEST FORK ROAD, DARBY, MT
(406) 821-1853
Manager
TEX IRWIN
5855 WEST FORK ROAD, DARBY, MT
(831) 884-3602
Remarks FAA
- TREES & STRUCTURES IN TRANSITIONAL SFC FULL LENGTH BOTH SIDES OF RY.
- RWY 02 +70 FT TREES 600 FT FM RWY END & MTN 2700 FT FM THLD; RWY 20 +135 FT TREE 80 FT RIGHT & 120 FT FM RWY END; +115 FT TREES BEGINNING 91 FT RIGHT PENTG APCH SFC.
- LIVESTOCK; BIRDS; & WILDLIFE INVOF APRT.
- STEEP TERRAIN SURROUNDING AIRPORT.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- NO SN PLOWING IN WINTER.
- CTLG OBSTN EXCEEDS A 45 DEG SLP.
- OCNL GRVL DOWN CNTR OF RWY - SML DIP 600 FT FM RWY 20 END.
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 4U7 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.