Whether single crew or multi crew, when engine failure occurs in light twin piston aircraft at a critical phase of flight you are going to be in a very challenging position, and particularly if operating at or near MTOM (and this equally applies to the DA42 series). Recurrent and relevant training will help, but ultimately you have only a very short time to get all your ducks in line. Remember the accident at Glasgow to G-ILGW? Even with two pilots it can all go wrong.