Serial Number Breakdown
| Digits 1-2 | Letters that indicate the year of production |
| Digits 3-4 | Hull size |
| Digits 5-7 | Model code |
| Digits 8-9 | Serial number of boat type in production year |
| Digits 10-12 | Total number of boats made so far |
Year
Digits 1-2
| A | 1 |
| B | 2 |
| C | 3 |
| D | 4 |
| E | 5 |
| F | 6 |
| G | 7 |
| H | 8 |
| I | 9 |
| J | 0 |
Hull Size
Digits 3-4
| DR | DM 8+ or 4+ |
| D | DL 8+ or 4+ |
| X | C hull 8+ |
| Y | B hull 8+ |
| Z | A hull 8+ |
| HD | 4 -/x 175-210lbs |
| LD | 4 -/x 135-175lbs |
| HDD | 4 -/x 210lbs |
| L | 1x pre 1999 |
| M | 1xr pre 1999 |
Model Code
Digits 5-6
| HCU | Ultralite |
| HC | Racer |
| CGL | Performer |
| CLS | Challenger |