| 1971 | e Clonkeehan Nimbus CSB 229, NPS 4582 | - Clonkeehan Waterfall CSB 5102, USAM 850 |
| 1973 | e Clonkeehan Nimbus CSB 229, NPS 4582 | - Clonkeehan Cascade CSB 602 |
| 1974 | e Clonkeehan Yeoman CSB 508 | - Clonkeehan Corncrake CSB G 782 |
| 1979 | e Clonkeehan Nimbus CSB 229, NPS 4582 | - Clonkeehan Corn Dolly CSB 7659 |