| FAA Information Effective: | 2013-12-12 |
| Airport Identifier: | 4U4 |
| Airport Status: | Operational |
| Longitude/Latitude: | 109-03-52.8000W/48-30-48.6000N -109.064667/48.513500 (Estimated) |
| Elevation: | 2589 ft / 789.13 m (Surveyed) |
| Land: | 28 acres |
| From nearest city: | 8 nautical miles SE of Chinook, MT |
| Location: | Blaine County, MT |
| Magnetic Variation: | 16E (1985) |
| Ownership: | Privately owned |
| Owner: | John Hebbelman, Jr. |
| Address: | Rt 1 Box 27 Chinook, MT 59523 |
| Phone number: | 406-357-4233 |
| Manager: | John Hebbelman, Jr. |
| Address: | Rt 1 Box 27 Chinook, MT 59523 |
| Phone number: | 406-357-4233 |
| Airport Use: | Open to public |
| Wind indicator: | Yes |
| Segmented Circle: | No |
| Control Tower: | No |
| Lighting Schedule: | SS-SR |
| Landing fee charge: | No |
| Sectional chart: | Great Falls |
| 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) |
| CTAF: | 122.800 |
| Unicom: | 122.800 |
| Fuel available: | 100LL |
| Airframe Repair: | MAJOR |
| Power Plant Repair: | MAJOR |
| Bottled Oxygen: | NONE |
| Dimension: | 3650 x 50 ft / 1112.5 x 15.2 m |
| Surface: | GRAVEL, Fair Condition |
| Edge Lights: | Non-standard lighting system RWY 04/22 LED AND REFLECTORS. |
| Runway 04 | Runway 22 | |
|---|---|---|
| Longitude: | 109-04-23.0017W | 109-03-31.5416W |
| Latitude: | 48-30-42.0849N | 48-30-53.4378N |
| Elevation: | 2589.00 ft | 2576.00 ft |
| Alignment: | 72 | 127 |
| Traffic Pattern: | Left | Left |
| Obstruction: | , 20:1 slope to clear | 22 ft pole, 150.0 ft from runway, 75 ft right of centerline, 6:1 slope to clear |
| Dimension: | 2254 x 55 ft / 687.0 x 16.8 m |
| Surface: | TURF, Fair Condition |
| Runway 11 | Runway 29 | |
|---|---|---|
| Longitude: | 109-04-01.7435W | 109-03-29.5475W |
| Latitude: | 48-30-53.0400N | 48-30-46.9272N |
| Elevation: | 2575.00 ft | 2584.00 ft |
| Alignment: | 106 | 127 |
| Traffic Pattern: | Left | Left |
| Obstruction: | , 50:1 slope to clear | 4 ft fence, 40.0 ft from runway, 10:1 slope to clear |
| RY 11 HAS ABRUPT GULLEY 20 FT FM END OF RY. |
| RY 04 LARGE 8 FT DEEP SINKHOLE IN RGT SIDE OF RY 400 FT FM THLD. |
| RY 29 DIRT ROAD CROSSES RY 300 FT BYD THLD. |