Collection
| Vessel: | Hydra | Preview 2 photo's | |
| IMO: | 7501560 | ||
| Flag: | NLD (Netherlands) | ||
| Build: | 1975 | ||
| Gross: | 1070 | ||
| Type: | Dredger |
| Date | Camera | Quality | Note |
| 03-07-2002 | Canon EOS 500 | Good | |
| 08-07-2002 | Unknown (exchanged) | Good | |
| 08-06-2004 | Canon EOS D60 (Digital 6MP) | Good | |
| 23-04-2007 | Canon EOS 10D (Digital 6MP) | Good | HND flag, Ouwerkerk livery |
| 31-07-2008 | Canon EOS 5D (Digital 12MP) | Good | |
| 29-09-2008 | Canon EOS 10D (Digital 6MP) | Good |