1981 Royal Tour of Devon and Cornwall by The Queen Mother.
Itinerary
| 8th April - |
HMY Britannia leaves Portsmouth for Dartmouth. |
| 9th April - |
HMY Brtannia arrives At Dartmouth. |
| 10th April - |
HMY Britannia leaves Dartmouth for Falmouth. |
| 10th April - |
Her Majesty leaves Falmouth and arrives in Truro by road via Tregothnan. |
| 11th April - |
Her Majesty cruises down the Truro River and Carrick Roads, visiting Caerhayes Castle and St. Mawes and returns to Falmouth. |
| 12th April - |
HMY Britannia departs Falmouth for Portsmouth. |
| 13th April - |
HMY Britannia arrives in Portsmouth. |