| Date/Name Ship |
1920-04-13 JACOBA |
| Manager: |
Sijbren Wijnstok, Delfzijl, Groningen, Netherlands |
| Eigenaar: |
Sijbren Wijnstok, Delfzijl, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Delfzijl / Netherlands |
| Callsign: |
PCRB |
| Date/Name Ship |
1923-02-12 JACOBA |
| Manager: |
Gerhardus Wijnstok, Delfzijl, Groningen, Netherlands |
| Eigenaar: |
Gerhardus Wijnstok, Delfzijl, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Delfzijl / Netherlands |
| Callsign: |
PCRB |
| Additional info: |
1934 callsign PEYO. Mutatie NIET volgens Kadaster. Sijbren bleef eigenaar. |
| Date/Name Ship |
1937-04-17 JACOBA |
| Manager: |
Jakob Hoving, Groningen, Groningen, Netherlands |
| Eigenaar: |
Jakob Hoving, Groningen, Groningen, Netherlands |
| Shareholder: |
|
| Homeport / Flag: |
Groningen / Netherlands |
| Callsign: |
PEYO |
| Date/Name Ship |
1939-04-19 HELGA |
| Manager: |
Johannes Jørgensen, Assens, Denmark |
| Eigenaar: |
Johannes Jørgensen, Assens, Denmark |
| Shareholder: |
|
| Homeport / Flag: |
Assens / Denmark |
| Callsign: |
OZBL |
| Date/Name Ship |
1946-07-00 FAIR |
| Manager: |
Johannes Jørgensen, Assens, Denmark |
| Eigenaar: |
Johannes Jørgensen, Assens, Denmark |
| Shareholder: |
|
| Homeport / Flag: |
Assens / Denmark |
| Callsign: |
OZBL |
| Date/Name Ship |
1964-11-00 BALKA |
| Manager: |
P.B. & M.C. Bidstrup, Rønne, Denmark |
| Eigenaar: |
I/S Balka, Rønne, Denmark |
| Shareholder: |
|
| Homeport / Flag: |
Rønne / Denmark |
| Callsign: |
OZBL |
|