RedactedNarrative: V1 WAS HEADING TOWARD THE BOAT RAMP TO TAKE OUT WHEN HE SAW V2 WITHOUT ANY LIGHTS ON. V1 OPERATOR ATTEMPTED TO SWERVE LEFT TO MISS V2 AT LAST MOMENT BUT WAS UNABLE TO AVOID THE COLLISION.  V2 OPERATOR STATED HE WAS FISHING WHILE EVERYONE ELSE WAS ASLEEP ON THE BOAT.  HE TURNED HIS LIGHTS OFF TO CONSERVE BATTERY POWER AND SOON FELL ASLEEP HIMSELF.  V2 OPERATOR WAS CITED FOR LIGHT REQUIREMENTS.