| FAA Information Effective: | 2013-12-12 | 
| Airport Identifier: | 4S5 | 
| Airport Status: | Operational | 
| Longitude/Latitude: | 097-26-21.2920W/48-37-34.9610N -97.439248/48.626378 (Estimated)  | 
| Elevation: | 837 ft / 255.12 m (Estimated) | 
| Land: | 50 acres | 
| From nearest city: | 1 nautical miles NE of St Thomas, ND | 
| Location: | Pembina County, ND | 
| Magnetic Variation: | 07E (1985) | 
| Ownership: | Publicly owned | 
| Owner: | St. Thomas Airport Authority JOHN BLAIR CHRMN APT AUTH  | 
| Address: | Box 322 St Thomas, ND 58276  | 
| Phone number: | 701-520-1597 | 
| Manager: | John Blair | 
| Address: | Box 322 St Thomas, ND 58276  | 
| Phone number: | 701-520-1597 ADDL CONTACT RYAN ALMNE 701-257-6629/701-360-7926  | 
| Airport Use: | Open to public | 
| Wind indicator: | Yes | 
| Segmented Circle: | No | 
| Control Tower: | No | 
| Lighting Schedule: | SEE RMK ACTVT LIRL RY 17/35 - 122.8.  | 
| Landing fee charge: | No | 
| Sectional chart: | Twin Cities | 
| Region: | AGL - Great Lakes | 
| Boundary ARTCC: | ZMP - Minneapolis | 
| Tie-in FSS: | GFK - Grand Forks | 
| FSS on Airport: | No | 
| FSS Toll Free: | 1-800-WX-BRIEF | 
| NOTAMs Facility: | GFK (NOTAM-d service avaliable) | 
| CTAF: | 122.900 | 
| Airframe Repair: | NONE | 
| Power Plant Repair: | NONE | 
| Dimension: | 2600 x 50 ft / 792.5 x 15.2 m | 
| Surface: | ASPH, Good Condition | 
| Weight Limit: | Single wheel: 5000 lbs. | 
| Edge Lights: | Non-standard lighting system NSTD LIRL DUE TO FIXTURES & LCTD 15 FT FM RY EDGE.  | 
| Runway 17 | Runway 35 | |
|---|---|---|
| Longitude: | 097-23-50.2900W | 097-23-50.2900W | 
| Latitude: | 48-38-14.1100N | 48-37-48.4600N | 
| Elevation: | 835.00 ft | 837.00 ft | 
| Alignment: | 127 | 0 | 
| Traffic Pattern: | Left | Left | 
| Markings: | None, | None, | 
| Displaced threshold: | 280.00 ft DSPLCD THLD MKD WITH GREEN LGTS - NIGHT OPNS ONLY.  | 70.00 ft DSPLCD THLD MKD WITH GREEN LGTS - NIGHT OPNS ONLY.  | 
| Centerline Lights: | No | No | 
| Obstruction: | 80 ft trees, 2600.0 ft from runway, 30:1 slope to clear +16' ROAD DIST 300' FM DSPLCD THLD; APCH RATIO FM DSPLCD THLD 18:1. +16' ROAD, DIST 20', E-W ROAD PARALLEL TO RY END.  | 80 ft trees, 2800.0 ft from runway, 32:1 slope to clear +16' ROAD 100' FM DSPLCD THLD APCH RATIO 6:1. RWY 35 +16' ROAD DIST 20', E-W ROAD PARALLEL TO THR.  | 
| CONFIRM WINTER COND & SNOW REMOVAL WITH AMGR 701-520-1597/701-257-6629/701-360-7926 | 
| +60' TREES 125' R OF CL AT RY 35 END PENETRATE TRNSL SFC. | 
| RY 17/35 EXPECT TURBULENCE WHEN EXECUTING CROSS-WIND LNDGS. | 
| DEER ON & INVOF APRT |