Name: Spontaan
ENI: 02100099
previous names: Huka, Michael, Dei Voluntas
registered in: Rotterdam
Nationality: NL
MMSI #: 244660440
Callsign: PE2940
Length: 80.00 m, width: 9.50 m, draft: 2.53 m
Tonnage: 1268 tons
Engine: two Caterpillar 3412 DI-TA, each 548 hp
Bow thruster: DAF, 320 hp
Year of construction: 1925
Shipyard: A.Vuijk & Zn., Capelle a/d IJssel
Construction number: 511
Recorded in the city harbor of Lünen, Germany.