hat
syans Preliminè nan pwojè a te kòmanse byen bonè nan mwa 1939 apre yon demann pou yon commando lou ak karakteristik nan vitès ranje, ak plafon sèvis pase Boeing B-17 a. pwototip nan te pran vòl nan mwa desanm 1939, an patikilye, yon zèl pwofil orijinal la, yon karleng ak yon gwo gwo twou san fon pòt bonm Bay ak metal.
eng
Preliminary studies of the project began in early 1939 following a request for a heavy bomber with features of speed, range and service ceiling than the Boeing B-17. The prototype flew in December 1939, in particular, an original profile wings, a fuselage and a large deep bomb bay doors with metal.