Tug 'Ajax', registration B-17-RL, descending the Tagus river while towing alonside barge 'Rota', registration B-2362-TL, captured off the Parque das Nações embankment (Lisbon harbour).

Main characteristics - tug 'Ajax':
LOA: 27,59 m
Beam: 7,70 m
Draught: 2,80 m
Gross tonnage: 146 t
DWT: 34 t
Year of Build: 1978
Builder: Argibay, Sociedade de Construções Navais e Mecânicas (Alverca, Portugal)
Main engine: 1 x 8 cylinder Deutz model RSBA8M528
Flag: Portugal
Home port: Barreiro
Owner & Manager: Socarmar/ETE Group (Lisbon, Portugal)

Main characteristics - barge 'Rota':
LOA: 79,00m
Beam: 15,80m
GT: 4712 t
Year of Build: 1983
Builder: ENVC (Viana do Castelo, Portugal)
Flag: Portugal
Home port: Barreiro
Owner & Manager: SOCARMAR/ETE Group (Lisbon, Portugal)