| Survey name | Type | Altitude | Spacing | Flight line distance |
|---|---|---|---|---|
| Lewiston | M/R-D | 121.9 m | 9.60 km | 2,494 km |
| New Hampshire West | M-Dz | 701 m (barometer) | 0.80 km | 3,942 km |
| North-central N.H. '66 | M-Dz | 1676 m (barometer) | 0.80 km | 2,896 km |
| Sherbrooke-Lewiston '81 W. | M-D | 91 m above ground | 0.80 km | 260 km |
| Sherbrooke-Lewiston '82 | M-D | 152.4 m above ground | 0.80 km | 7,151 km |
| Sherbrooke | M/R-D | 121.9 m | 9.60 km | 1,029 km |
| Vermont Regional | M-Dz | 1219 m (barometer) | 3.20 km | 1,190 km |