KSMN · Lemhi County Airport
ICAO · US · 9 NTSB events
Live conditions
—METAR
fetching…
Wind / Visibility
—
Density altitude (now)
—
Runways
2 runway ends on file. Longest: 5,510 ft. Max gradient: 0.15%
| Designator | Heading | Length | Width | Surface | Lighting | Gradient |
|---|---|---|---|---|---|---|
| 17 | 188° | 5,510 ft | 75 ft | ASP | Yes | 0.15% |
| 35 | 008° | 5,510 ft | 75 ft | ASP | Yes | 0.15% |
Lengths + headings: in-app airport database. Surface, width, lighting: OurAirports. Gradient: derived from FAA NASR runway-end elevations (NASR's RWY_GRAD field is empty in 99.99% of rows).
Communications · 4 frequencies
- AWOS AWOS 3 135.075
- CNTR SALT LAKE CITY CNTR 132.400
- RDO BOISE RDO 122.550
- UNIC CTAF/UNICOM 122.800
Live ATC audio (streaming + archived): Open KSMN on LiveATC ↗
Chart Supplement remarks, plain English · cycle 22JAN2026 · 3 matched · 26 not yet translated
Translations anchored to the FAA text; the raw FAA text is authoritative.
TL;DR
- ·Non-standard pattern direction on Runway 10–28: right traffic. Watch for traffic from the opposite quadrant.
- ·Non-standard pattern direction on Runway 03–21: right traffic. Watch for traffic from the opposite quadrant.
Watch for
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Non-standard pattern direction on Runway 10–28: right traffic. Watch for traffic from the opposite quadrant.
right traffic
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Non-standard pattern direction on Runway 03–21: right traffic. Watch for traffic from the opposite quadrant.
right traffic
All translated remarks (3)
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Non-standard pattern direction on Runway 10–28: right traffic. Watch for traffic from the opposite quadrant.
Raw FAA text · preamble · operational
RWY 10–28: H3354X60 (ASPH) S–12.5 MIRL RWY 10: Road. Rgt tfc…
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Non-standard pattern direction on Runway 03–21: right traffic. Watch for traffic from the opposite quadrant.
Raw FAA text · communications · operational
RWY 03–21: 2200X150 (GRVL) RWY 03: Trees. RWY 21: Trees. Rgt…
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Airport attended 1500–0000Z‡. Self-service or limited operations outside attended hours.
Raw FAA text · airport remarks · advisory
Attended 1500–0000Z‡.
Not yet translated · raw FAA text (26 sentences)
- ·S2 FUEL 100LL LGT ACTIVATE MIRL Rwy 10–28—CTAF.
- ·First 715 ft Rwy 10 not lgtd.
- ·Rwy 10 NSTD dsplcd thld marking yellow chevrons.
- ·Rwy 28 has 200 ft stopway.
- ·AIRPORT MANAGER: 208-967-4232
- ·CTAF/UNICOM 122.8 CLEARANCE DELIVERY PHONE: For CD ctc Seattle ARTCC at 253-351-3694.
- ·Req use only by mt proficient pilots.
- ·Ck acft per for high density alt (DA).
- ·Overfly the airfield fst and ensure no wildlife is on the rwy.
- ·Airfield lctd in high mt valley and srndd by timbered, high mt peaks.
- ·This is the highest elev backcountry airfield in Idaho–8250´ MSL.
- ·Req land Rwy 03 and tkof Rwy 21 if wx conds allow.
- ·Rwy 03–21 actual rwy dimensions are: 1900 ft x 55 ft.
- ·Be aware of soft spot lctg just past the mid–fld, right side of Rwy 03, and stumps lct at both rwy ends.
- ·AIRPORT MANAGER: 208-484-1521
- ·CTAF 122.9 – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – LEMHI CO (SMN)(KSMN) 4 S UTC–7(–6DT) N45º07.40´ W113º52.89´ 4044 B NOTAM FILE SMN RWY 17–35: H5510X75 (ASPH) S–12.5 MIRL RWY 17: REIL.
- ·PAPI(P4L)—GA 3.5º TCH 55´.
- ·S4 FUEL 100, JET A LGT ACTIVATE MIRL Rwy 17–35, REIL Rwy 17 and Rwy 35, and PAPI Rwy 17—CTAF.
- ·Rwy 17 use rgt tfc pat for ngt ops only.
- ·Cold temperature airport.
- ·Altitude correction required at or below –12C.
- ·AIRPORT MANAGER: 208-940-2171
- ·AWOS–3PT 135.075 (208) 756–4381.
- ·CTAF/UNICOM 122.8 SALMON RCO 122.6 (BOISE RADIO) ®SALT LAKE CENTER APP/DEP CON 132.4
- ·SALMON (VH) (DH) VORW/DME 113.5 LKT Chan 82 N45º01.28´ W114º05.05´ 042º 10.6 NM to fld. 9260/13E.
- ·VOR unusable: 127º–135º byd 40 NM 136º–146º byd 40 NM blo 14,000´ GREAT FALLS L–13B GREAT FALLS GREAT FALLS H–1D, L–13C IAP NW, 22 JAN 2026 to 19 MAR 2026
FAA Chart Supplement
NTSB events
9 NTSB-recorded events on file at this airport .
Total events
9
since 1982
Fatal
1
11.1% of total
Last 5 years
0
no recent events
Last 10 years
1
≈ 0.1/yr
Ranking across all airports · Open in accident map ↗
Operations volume
FAA TAF · history through 2024
Peak: 32,087 ops in 2007
2024 total
24,505
10-yr total
245,589
2024 mix
AC/AT 37% · GA 63% · Mil 0%
Events / million ops
4.1
last 10 years
Fatal / million ops
0.45
approximate · 10-yr scaled
Last 10 years · n=0
No NTSB events at this field in the last decade.
All time · n=9
- Loss of control 4
- Engine failure / power loss 2
- Stall / spin 1
- Other 1
- Weather · wind / icing / convective 1
Categories rule-matched from NTSB findings and probable-cause text. "Other" = not enough agency text to classify.
Designees in ID
DPEs nearby
Distance is city-centroid to airport, a first cut, not the exam location.
| Designee | City | ST | Distance |
|---|---|---|---|
| Ryan Baer | Missoula | MT | 105 nm |
| Timothy Franklin Mead | Missoula | MT | 105 nm |
| Robert Milton Briggs | Garden Valley | ID | 108 nm |
| Abraham Lloyd Fandrich | Clancy | MT | 112 nm |
| Gregory Bruce Mecklenburg | Bozeman | MT | 124 nm |
| Jeffrey Cook | Bozeman | MT | 124 nm |
| Peta Sarah Sheridan | Bozeman | MT | 124 nm |
| Marc Nelson Ballif | Idaho Falls | ID | 126 nm |
| Thomas Jay Kohler | Idaho Falls | ID | 126 nm |
| Arlyn E Miller | Boise | ID | 134 nm |
Showing 10 closest of ~1,400 DPEs nationwide. Source: FAA Designee Locator.
CFIs nearby
City-centroid distance; ratings as on the FAA certificate.
| Instructor | City | ST | Distance |
|---|---|---|---|
| Stanley Roy Churches | Salmon | ID | 3 nm |
| Siegfried Wolfgang Kirchner | Salmon | ID | 3 nm |
| Richard Kneale Williams | Salmon | ID | 3 nm |
| Michael Jay Hart | Salmon | ID | 3 nm |
| Timothy Ray Vennell | Salmon | ID | 3 nm |
| Todd Allen Walchli | Salmon | ID | 3 nm |
| Thomas Edward Buker | Salmon | ID | 3 nm |
| James Christian O'Connor | Salmon | ID | 3 nm |
| Levi Ross Pakuer | Salmon | ID | 3 nm |
| John David Carney | Salmon | ID | 3 nm |
Showing 10 closest of ~70,900 active CFIs nationwide. Source: FAA Airmen Certification Database.
A&P mechanics nearby
City-centroid distance. A = airframe, P = powerplant, IA = inspection authorization.
| Mechanic | City | ST | Distance |
|---|---|---|---|
| David Michael Shallow | Salmon | ID | 3 nm |
| Timothy Ray Vennell | Salmon | ID | 3 nm |
| Levi Quentin Bryan | Salmon | ID | 3 nm |
| Michael Dean Carpenter | Salmon | ID | 3 nm |
| James Blackwell Crawford Jr | Salmon | ID | 3 nm |
| Samuel A Hovey | Salmon | ID | 3 nm |
| Scott Forrest Johnson | Salmon | ID | 3 nm |
| Russell Wayne Linn | Salmon | ID | 3 nm |
| Merle Darwin Lippott | Salmon | ID | 3 nm |
| Steven Swensen Powell | Salmon | ID | 3 nm |
Showing 10 closest of ~248,300 certificated mechanics nationwide. Source: FAA Airmen Certification Database.
Repair stations nearby
By airport location.
| Shop | Distance |
|---|---|
| JL Aerospace Three Forks, MT | 108 nm |
| Pristine Jets Missoula, MT | 109 nm |
| Million Air Bozeman Belgrade, MT | 122 nm |
| Pristine Jets Belgrade, MT | 122 nm |
| Skyline Aircraft Maintenance Nampa, ID | 146 nm |
| Dustin's Aircraft Maintenance and Upholstery Great Falls, MT | 184 nm |
| Advanced Avionics Solutions, LLC Hayden, ID | 200 nm |
| Montana Aviation Maintenance, LLC Cut Bank, MT | 218 nm |
| Huey's Aviation Painting Colville, WA | 263 nm |
| Kings Avionics, Inc. Apple Valley, UT | 274 nm |
Showing 10 closest of ~400 geocoded shops in the repair-station directory. Source: AOPA business listings.
References
- FAA Chart Supplement (CSUP) A/FD entry — official FAA ↗
- SkyVector — sectional + IFR charts Charts, runways, fuel, NOTAMs ↗
- AirNav — frequencies, FBOs, fuel Pilot-facing summary ↗
- NTSB CAROL — accident search Filter by airport name ↗
- FAA Notice to Air Missions NOTAMs (live) ↗
- aviationweather.gov — METAR / TAF Live observation ↗