Tasso (horse) again made seven starts, ending the season with two wins, two seconds, and two third-place finishes. He began his 3-year-old campaign with a three-length win in the Manassa Mauler Stakes at Aqueduct Racetrack. He then finished second in the Gotham and fourth in the Wood Memorial, so his connections decided to bypass the Triple Crown series. Instead he was entered in the Withers Stakes, in which he finished second, and then the Jersey Derby, in which he finished third. After a short break, he returned with a win in the El Cajon Stakes at Del Mar. He finished the year
Martin AM Mauler landing trials revealed a structural weakness of the rear fuselage when one aircraft was severed in half during a heavy landing. Severe vibrations in the tail upon engaging the arresting wire were cured by adding a roller bearing to the tailhook to counter the sideways forces placed on the tailhook. Other necessary changes were the addition of spoiler ailerons and an elevator control boost to improve the aircraft's poor controllability at low speeds. In addition, the cockpit layout was unsatisfactory and had to be redesigned. The NATC finally deemed the Mauler acceptable for carrier landings in August 1948 even though