sentences:  Some of the Spanish aircraft were still in service during the Spanish Civil War
  
  The SM.62 flying boat was one of the main successes of Savoia-Marchetti, evolved from the SM.59 which first flew in 1925.The single-engine, single-spar wing, wooden biplane aircraft was powered by a single Isotta Fraschini Asso 500 R.I., engine mounted between the upper and the lower wings, and drove a pusher propeller.It had a wingspan of , a maximum takeoff weight of including fuel, bombs and four crew, and entered production in 1926.