High Quality Content by WIKIPEDIA articles! The Levasseur PL.10 was a carrier-based reconnaissance aircraft developed in France in the late 1920s. It was a conventional, single-bay biplane along similar lines to Levasseur`s contemporary designs for the French navy, including a watertight, boat-shaped fuselage, small underwing floats, and undercarriage that could be jettisoned in flight in order to improve the changes of a successful ditching.