 Now lionised as a hero across the Austro-Hungarian Empire, Trapp was nominated for the award of the Knight's Cross of the Military Order of Maria Theresa for sinking the "Gambetta", which he eventually received in 1924.Trapp has sometimes incorrectly been credited with sinking the Italian troop transport .In reality, this was sunk by "U-5" under Trapp's successor, Friedrich Schlosser (1885–1959), on 8 June 1916.