| Name | SWANELLA H421 |
| Type | Stern Trawler |
| Year | 1967 |
| GRT | 1190 |
| Engines | Diesel-electric (aft) |
| Builder | GOOLE SHIPBUILDING & REPAIRING CO. LTD. |
| At | GOOLE |
| Launch date | 15-10-1966 |
| Yard number | 554 |
| Owners | J. Marr & Son, Hull |
| History | 1981 ARCHIMEDES, converted to a diving support vessel in 1982, 1985 DRIVE PERFORMER, 1988 NORTH SEA COMMANDER, 1990 SEAWAY COMMANDER, DSND Shipping, Norway. 2004 renamed ALLIED COMMANDER. 2009 renamed EGS EXPLORER, Ho Choi Marine Ltd., Hong Kong under St. Vincent and Grenadines flag. |
| Fate |
... as SEAWAY COMMANDER
... and as ALLIED COMMANDER
