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KSMN

SMN

Lemhi County Airport · Salmon

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
4,043 ft / 1,232 m
Transition Altitude
18,000 ft
Primary Channel
RDO 122.55 MHz (BOISE RDO)
Runway Summary
17/355,150 ftAsphaltLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

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Briefing for Lemhi County Airport (KSMN), United States. This facility features 1 active runways with an elevation of 4,043 ft. This field primarily supports visual approach procedures.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Lemhi County Airport
ICAO / IATA
KSMN / SMN
Municipality
Salmon
Country
Region
US-ID
GPS Coordinates
Transition Altitude
18,000 ft
Official Website
Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 17 / 35
LIGHTED
Length: 5,150 ft / 1,570 m
Surface: Asphalt
Heading: 188° / 8°
RWY 17
No ILS
RWY 35
No ILS

Communication Frequencies

ATC and advisory channels.

AWOS AWOS 3
135.07 MHz
CNTR SALT LAKE CITY CNTR
132.40 MHz
RDO BOISE RDO
122.55 MHz
UNIC CTAF/UNICOM
122.80 MHz

Nearby Airports

Alternatives in the vicinity.

KBTM ILS
Bert Mooney Airport
142 km
KMYL
McCall Municipal Airport
176 km
KSUN
Friedman Memorial Airport
183 km
KMSO ILS
Missoula International Airport
200 km
KHLN ILS
Helena Regional Airport
221 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified