Lemhi County
SMN · KSMN · Salmon, Idaho · Lemhi County · map
Lemhi County is a public-use airport owned by Lemhi CO, 4 miles south of Salmon, Idaho, 4,044 feet above sea level. Its one runway, 17/35, is 5,510 feet of asphalt. It has fuel (100 octane avgas, Jet A).
The airport
- Codes
- FAA SMN · ICAO KSMN
- Kind
- Airport · open to the public · publicly owned
- Owner
- Lemhi CO
- Elevation
- 4,044 feet above sea level
- Control tower
- No control tower
- Attended
- every day, 8:00 am to 5:00 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100 octane avgas, Jet A
- Repairs
- airframe: major repairs; engine: major repairs
- Parking
- tiedown
- On the chart
- Great Falls sectional
- Magnetic variation
- 13E
- In the FAA's files since
- April 1940
Runway
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 17/35 | 5,510 × 75 ft | Asphalt, excellent | Medium-intensity lights |
- Runway 17: PAPI, four lights on the left
Radio frequencies
| Common traffic advisory (CTAF) · UNICOM | 122.8 | |
| Salmon and rco | 122.6 | Salmon · Communications provided by boise radio on frequency 122.6 (Salmon rco). |
| Salmon and center (remote transmitter) Low/high | 132.4 | |
| Smn and aWOS-3PT | 135.075 |
Automated weather (AWOS-3PT), by phone 208-756-4381.
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 Salmon from the FAA register
47 aircraft are registered to owners in Salmon, Idaho: 32 piston singles, 6 turboprops, 6 piston twins, 2 weight-shift and powered parachutes, 1 helicopter. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Idaho.
Accidents and incidents at or near this airport NTSB records · 10 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
- Constd prior to 1959.
- Retroreflective reflectors on parallel taxiway and ramp area.
- Activate medium-intensity runway lights runway 17/35; runway end identifier lights runway 17 and runway 35 and PAPI runway 17 - the common traffic frequency.
- Use right traffic pattern for night operations only.
- +1000' mountain at 3 miles.
- Taxiway access to aircraft ramp located on southeast end of airport is closed.
- Cold temperature airport. Altitude correction required at or below -12C.
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.