RedactedNarrative: Operator of vessel 1 was entering the harbor from sea.  Operator of vessel 1 lost control of the electronic steering due to failure and its rudder went hard to port.  The operator of vessel 1 was unable to get the transmission out of forward and into reverse and struck vessel 2 which was tied to it's berth in the marina.
NameOfBodyOfWater: Portland Harbor
NearestCityTown: South Portland