| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 1S3 |
| Airport Status: | Operational |
| Longitude/Latitude: | 106-37-26.0000W/46-16-16.1000N -106.623889/46.271139 (Estimated) |
| Elevation: | 2729 ft / 831.80 m (Surveyed) |
| Land: | 266 acres |
| From nearest city: | 3 nautical miles E of Forsyth, MT |
| Location: | Rosebud County, MT |
| Magnetic Variation: | 14E (1985) |
| Ownership: | Publicly owned |
| Owner: | County Of Rosebud |
| Address: | P.o. Box 65 Forsyth, MT 59327 |
| Phone number: | 406-356-7544 |
| Manager: | Brian Schwend |
| Address: | Po Box 45 Forsyth, MT 59327 |
| Phone number: | 406-346-7129 HOME 406-356-7544. |
| Airport Use: | Open to public |
| Wind indicator: | Yes |
| Segmented Circle: | Yes |
| Control Tower: | No |
| Lighting Schedule: | SEE RMK MIRL RY 08/26 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 08 & 26 - CTAF. |
| Beacon Color: | Clear-Green (lighted land airport) |
| Landing fee charge: | No |
| Sectional chart: | Billings |
| Region: | ANM - Northwest Mountain |
| Boundary ARTCC: | ZLC - Salt Lake City |
| 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: | 122.800 |
| Unicom: | 122.800 |
| Airframe Repair: | MAJOR |
| Power Plant Repair: | MAJOR |
| Bottled Oxygen: | NONE |
| Bulk Oxygen: | NONE |
| Dimension: | 4799 x 75 ft / 1462.7 x 22.9 m |
| Surface: | ASPH, Good Condition |
| Weight Limit: | Single wheel: 12000 lbs. Dual wheel: 16000 lbs. |
| Edge Lights: | Medium |
| Runway 08 | Runway 26 | |
|---|---|---|
| Longitude: | 106-37-59.9781W | 106-36-52.1170W |
| Latitude: | 46-16-18.8142N | 46-16-13.4713N |
| Elevation: | 2729.00 ft | 2728.00 ft |
| Alignment: | 96 | 127 |
| Traffic Pattern: | Left | Left |
| Markings: | Basic, Good Condition | Non-precision instrument, Good Condition |
| Crossing Height: | 29.00 ft | 29.00 ft |
| VASI: | 2-light PAPI on left side | 2-light PAPI on left side RY 26 PAPI OTS INDEFLY. |
| Visual Glide Angle: | 3.00° | 3.00° |
| Obstruction: | 33 ft trees, 752.0 ft from runway, 17:1 slope to clear | , 20:1 slope to clear |