Lead ship of project 07521, type MB - "MB-1201" (until 1995),

Since its construction, the Ob-Irtysh Shipping Company belonged to the port of Tobolsk. Since 1995, Ambros-6 has changed its flag to Ukraine and the Ishmael home port. Since 1999, he changed his name to Al Furati and his home port to Batumi. Since 2005, the home port of South Tarawa. After working in the Persian Gulf and owned al-Hamriya, United Arab Emirates. Then fate is unknown.

MB (Main Tug) - a twin-screw tug with diesel engines, the middle location of the engine room, river-sea class. Vessels have ice reinforcement of the hull. Tugs were designed to drive trains from bulk or dry cargo barges.
Projects 07521, then project C0751since 1992, were produced at the Kama Perm Shipyard. Register class: KM * LU2 IISP A3 tug. The author of the project of the Central Design Bureau Vympel.
Between 1986 and 1994, 33 vessels of project 07521 were built. Late ships received personal names, the rest - numbers starting from the head number 1201 (MB-1201 - the head ship).