| Identifier: | MARCS |
| NAS ID: | MARCS |
| Name: | MARCS |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | TEXAS |
| ICAO Region: | K4 |
| Latitude: | 29-53-52.040N (29.897800) |
| Longitude: | 097-51-40.700W (-97.861300) |
| Magnetic Variance: | 3.2 E as of 9/30/2025 |
| High ARTCC Area: | ZHU |
| Low ARTCC Area: | ZHU |
| Published: | Yes |
| Charts: | RNAV |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| CONTROLLER HIGH |
| CONTROLLER LOW |
| ENROUTE HIGH |
| ENROUTE LOW |
| IAP |
| SID |
| STAR |