| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | THM |
| Airport Status: | Operational |
| Longitude/Latitude: | 115-16-50.1850W/47-34-23.9350N -115.280607/47.573315 (Estimated) |
| Elevation: | 2475 ft / 754.38 m (Surveyed) |
| Land: | 136 acres |
| From nearest city: | 3 nautical miles SE of Thompson Falls, MT |
| Location: | Sanders County, MT |
| Magnetic Variation: | 19E (1980) |
| Ownership: | Publicly owned |
| Owner: | Sanders County |
| Address: | Po Box 519 Thompson Falls, MT 59873-0519 |
| Phone number: | 406-827-6942 |
| Manager: | Kim Roberts |
| Address: | , P.o. Box 1204 Thompson Falls, MT 59873 |
| Phone number: | 406-827-3519 ALTERNATE PHONE 406-827-0078. |
| Airport Use: | Open to public |
| Wind indicator: | Yes |
| Segmented Circle: | Yes |
| Control Tower: | No |
| Lighting Schedule: | SEE RMK ACTVT MIRL RY 07/25; PAPI RY 07 & VASI RY 25 - CTAF. |
| Beacon Color: | Clear-Green (lighted land airport) |
| Landing fee charge: | No |
| Sectional chart: | Great Falls |
| Region: | ANM - Northwest Mountain |
| Boundary ARTCC: | ZSE - Seattle |
| Tie-in FSS: | GTF - Great Falls |
| FSS on Airport: | No |
| FSS Toll Free: | 1-800-WX-BRIEF |
| NOTAMs Facility: | GTF (NOTAM-d service avaliable) |
| Federal Agreements: | NGY |
| CTAF: | 122.900 |
| Airframe Repair: | NONE |
| Power Plant Repair: | NONE |
| Bottled Oxygen: | NONE |
| Bulk Oxygen: | NONE |
| Dimension: | 4200 x 75 ft / 1280.2 x 22.9 m |
| Surface: | ASPH, Good Condition |
| Weight Limit: | Single wheel: 12500 lbs. |
| Edge Lights: | Medium |
| Runway 07 | Runway 25 | |
|---|---|---|
| Longitude: | 115-17-20.8100W | 115-16-19.5600W |
| Latitude: | 47-34-24.0700N | 47-34-23.8000N |
| Elevation: | 2467.00 ft | 2475.00 ft |
| Traffic Pattern: | Left | Left |
| Markings: | Basic, Good Condition | Basic, Good Condition |
| Crossing Height: | 40.00 ft | 37.00 ft |
| VASI: | 2-light PAPI on left side PAPI BAFFLED HORIZONTALLY BYD 5 DEG NORTH & SOUTH OF CNTRLN AND UNUSBL BYD 2.6 NM. | 2-box on left side VASI ROTATED 4 DEGS TO THE N OF RY CNTRLN & BAFFLED 6 DEGS TO S OF RY CNTRLN. |
| Visual Glide Angle: | 4.00° | 4.00° |
| Obstruction: | , 20:1 slope to clear | 29 ft pole, 723.0 ft from runway, 187 ft right of centerline, 18:1 slope to clear |
| MKD GND WIRES 7 MI E MAINLAND TO BIG ISLAND. |
| 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. |
| SNOW REMOVAL INTMT. CALL 406-827-0078 FOR RWY CONDITIONS |
| CONSTR PRIOR 1959 |