Originally intended GUCCC pairing with butty 373, Thoth. Middle Northwich, "V" bottomed with round chines, Star class.
20 December 1942 - shortened by order of the Ministry of War (Transport) to 45' - 40' hull plus 5' ice-breaking ram Fore end plates over-plated within, and fore end strengthenedwith angled stringers from stem back into the hold.
Was BWB maintenance tug for many years and also worked under Matty's colours.
December 1958 - engine refitted at Saltley with Petter PD3M.
Tycho is also listed under Grand Union boats.