Benchmark Airport
3U7 · Augusta, Montana · Lewis and Clark County · map
Benchmark Airport is a public-use airport, 19 miles west of Augusta, Montana, 5,434 feet above sea level. Its one runway, 12/30, is 6,000 feet of asphalt.
The airport
- Codes
- FAA 3U7
- Kind
- Airport · open to the public · publicly owned
- Elevation
- 5,434 feet above sea level
- Control tower
- No control tower
- Attended
- unattended
- Parking
- tiedown
- On the chart
- Great Falls sectional
- Magnetic variation
- 18E
- In the FAA's files since
- March 1965
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 12/30 | 6,000 × 100 ft | Asphalt, poor |
- Runway 12: trees 39 ft high 372 ft from the end
- Runway 30: trees 41 ft high 461 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) | 122.9 |
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Augusta from the FAA register
1 aircraft are registered to owners in Augusta, Montana: 1 piston single. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Individuals are counted, never named. All aircraft registered in Montana.
Accidents and incidents at or near this airport NTSB records · 1 since 1982, 1 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- WI Lewis and Clark national forest.
- Snow removal NA.
- 3 wdi; both ends and midpt.
- Psbl MOD-SVR crosswind and turb.
- Rises uphill 120 feet; rising trrn beyond.
- Recommended departure condition pmtg.
- +58 feet trees on centerline.
- +250 feet trees on centerline.
- 33:1 to threshold. +65 feet trees 0-150 feet R 2150 feet from runway end.
- Large cracks and weeds full length.
- Mts parl east and west; in trsn surface.
- Services NA.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.