| Date/Name Ship |
1932-09-27 PROGRES |
| Manager: |
Firma H. van der Eb, London, Great Britain |
| Eigenaar: |
Bouwe Pronk, Groningen, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Groningen / Netherlands |
| Callsign: |
PQSL |
| Additional info: |
1934 callsign PGWJ |
| Date/Name Ship |
1939-00-00 PROGRES |
| Manager: |
Carebeka N.V., Groningen, Groningen, Netherlands |
| Eigenaar: |
Bouwe Pronk, Groningen, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Groningen / Netherlands |
| Callsign: |
PGWJ |
| Date/Name Ship |
1950-05-27 FAKIR |
| Manager: |
N.V. Scheepvaartbedrijf Gruno, Groningen, Groningen, Netherlands |
| Eigenaar: |
Edzo Smid, Groningen, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Groningen / Netherlands |
| Callsign: |
PEBC |
| Date/Name Ship |
1965-03-29 ZENITA |
| Manager: |
Tor Grönqvist, Borgå, Finland |
| Eigenaar: |
Tor Grönqvist, Borgå, Finland |
| Shareholder: |
|
| Homeport / Flag: |
Borgå / Finland |
| Callsign: |
OFTQ |
| Date/Name Ship |
1982-00-00 ZENITA |
| Manager: |
Jarl H. Grönqvist, Borgå, Finland |
| Eigenaar: |
Jarl H. Grönqvist, Borgå, Finland |
| Shareholder: |
|
| Homeport / Flag: |
Borgå / Finland |
| Callsign: |
OFTQ |
|