| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Greenville | M/R-D | 121.9 m | 4.80 km | 4,570 km |
| Knoxville | M/R-D | 121.9 m | 4.80 km | 4,990 km |
| Southern Knoxville | M-Dz | 1830 m (barometer) | 1.60 km | 6,968 km |
| Northwest South Carolina | M-D | 152.4 m above ground | 1.60 km | 12,850 km |