| Xander | 35 | 641447 | 153778 | Dimaggio Jr., D Paul. | RR |
| Xcalibur | 28 | MS7084AL | 99743 | Robertson, Andrew C. | B1 |
| Xiphias | 26 | 1092875 | 7326 | Jermain, David A. | B1 |
| Xiphius | 24 | MS6388AN | 151692 | Cook, Robert R. | RR |
| Xpeditor | 20 | MS2061AG | 134743 | Fairbanks, Randy B. | B1 |
| Xxxbass | 31 | 1051240 | 155774 | Wilson, Richard H. | B1 |