Loire 102
The Loire 102 was a 1930s French flying boat designed as a mail plane by Loire Aviation. Development. The Loire 102 was designed to operate as a mailplane on the South Atlantic route between West Africa and Brazil. The prototype (registered "F-AOVV" and named "Bretagne") first flew on 12 May 1936. It was a flying boat with a two step hull on top was a superstructure with a control cabin and crew compartments. In the forward hull was a cabin for four passengers, and to the rear were holds for mail, baggage and other cargo. It had  a high braced wing on top of the wing was four Hispano-Suiza 12Xirs in tandem pairs (in tractor/pusher configuration). It originally had twin vertical tail surfaces but these were replaced with a single large fin and rudder. The aircraft had severe vibration problems which could not be fixed and "Bretagne" was scrapped in 1938 without going into service.