The following appointments took place at the Royal Ark Mariner Investiture Meeting in Freemasons’ Hall, Great Queen Street, London on 11th December 2018:
Royal Ark Mariner Grand Rank:
| Roger Leonard Booker | Alexandra | 804 |
| Ernest Alexander McGeagh | Hull | 182 |
| Anthony George Clements | York | TI |
The following appointments took place at the Royal Ark Mariner Provincial Assembly in The Spa, Bridlington on 17th November 2018:
Royal Ark Mariner Provincial Grand Rank:
| Ling Faang Yu | Minerva | TI12 |
| Stanley Grisedale | Scarborough | 95 |
| Charles Joel-Chilton | Middlesbrough | 276 |
| David Gilliat | Ryedale | 277 |
| Stephen Kearns | Howdenshire | 743 |
| Brian Rigby | Allertonshire | 845 |
| James Johnson | St Peter’s | 1008 |
| David Simpson | Trinity IC | 1428 |
| William Glanville (field promotion 01/01/2018) | Beacon Centenary | 1583 |