| Year | 1981 |
| Date | 01-May |
| Volume | 147 |
| Issue | 3,656 |
| Page | 563 |
| Category | Competition |
| Part | |
| Title | 13th International Model Locomotive Efficiency Competition |
| Author | |
| Notes | For the Martin Evans Challenge Trophy. To be held at King's Park, Boscombe, Bournemouth on Sunday 12th July 1981, by kind permission of the Bournemouth DSME. Tickets now available |