Athelstan built 15/08/1911 Cook Welton & Gemmell Beverley for Onward Steam Fishing Co Ltd Grimsby
08/1914 Requisitioned as a minesweeper
1919 Returned to owners
17/09/1927 Sold to Sir Thomas Robinson & Sons Grimsby
29/12/1939 Requisitioned as an auxiliary patrol vessel
01/1940 The conversion to an auxiliary patrol vessel wasn’t carried out so she was returned to her owners
26/04/1940 Missing
Lost with all nine crew
| Surname | Forenames | Age at Death | Date of Death | Rank | Boat |
| SCORE | ROBERT | 24 | 26/04/1940 | Deck Hand | Athelstan |
| GODDARD | ALFRED | 25 | 26/04/1940 | Third Hand | Athelstan |
| FURNEAUX | WALTER SIDNEY | 29 | 26/04/1940 | Second Hand | Athelstan |
| SCOTT | WALTER | 64 | 26/04/1940 | Cook | Athelstan |
| SILVER | JAMES HENRY | 30 | 26/04/1940 | Second Engineer | Athelstan |
| BECKITT | CHARLES | 35 | 26/04/1940 | Trimmer | Athelstan |
| HARTLEY | ALFRED ERNEST | 36 | 26/04/1940 | Skipper | Athelstan |
| SARGENT | THOMAS RAYMOND | 30 | 26/04/1940 | Deck Hand | Athelstan |
| WILLIAM | CHARLES | 44 | 26/04/1940 | First Engineer | Athelstan |
Her Details are
- Official Number 132114
- Yard Number 222
- Admiralty number FY 343
- Armament 1-6pdr AA
- GT 202 NT 90
- Quarter Deck 58
- Engines Charles D. Holmes 67 HP 10 knots
- Dimensions 115.4 x 21.6 x 11.5
Missing lost with all nine crew 26/04/1940