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Thompson Falls Airport
THM · KTHM · Thompson Falls, MT · 2,467 ft elevation · var 19E · Towered
Airport information
- ICAO / IATA
- KTHM / THM
- Coordinates
- 47.5735, -115.2810
- Elevation
- 2,467 ft MSL
- Magnetic variation
- 19E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- Yes
- ARTCC
- SEATTLE (ZSE)
- Flight service (FSS)
- GREAT FALLS
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1944/12
- Distance from city
- 3 SE
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-19
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:02 AM | 11:02Z |
| Sunrise | 05:43 AM | 11:43Z |
| Sunset | 09:42 PM | 03:42Z |
| Evening civil twilight Loggable night begins | 10:23 PM | 04:23Z |
Loggable night (§1.1)
10:23 PM → 05:02 AM
Night currency (§61.57)
10:42 PM → 04:43 AM
Plan a flight from KTHM
Runway 08/26
4,200 ft × 75 ft · Asphalt (Excellent) 08
- Heading
- 071° mag · 90° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3°)
- Traffic pattern
- Left
26
- Heading
- 251° mag · 270° true
- Markings
- basic
- VGSI
- 2-light PAPI (left) (3.25°)
- Traffic pattern
- Left
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| CTAF | 122.9 |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MLP · Mullan Pass | VOR-DME | 117.80 | r045° / 16.4 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns
Ownership & management
Owner
SANDERS COUNTY
PO BOX 519, THOMPSON FALLS, MT
406-827-6942
Manager
KIM ROBERTS
P.O. BOX 1204, THOMPSON FALLS, MT
406-827-3519
Remarks FAA
- CONSTR PRIOR 1959
- AUTOMATED UNICOM AVBL ON 118.325; 3 CLICKS.
- MKD PWR LINES 7 MI E MAINLAND TO BIG IS.
- PHONE ON ARPT.
- 100 FT SILO IN TRANS SFC NE SIDE OF RY.
- WATERFOWL INVOF ARPT.
- 300 FT CANDLESTICK FXD DIST MKRS IN TRANS SFC.
- SN REMOVAL INTMT. CALL 406-546-6384 FOR RWY COND.
- FOR CD CTC SEATTLE ARTCC AT 253-351-3694.
- ACTVT PAPI RWY 8 & 26; MIRL RWY 08/26 - CTAF.
- ALTN PHONE 406-546-6384 OR 406-598-6227.
- FUEL AVBL 24/7 WITH CREDIT CARD.
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 KTHM in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.