- pull ▁configuration . ▁A ▁model ▁was ▁tested ▁in ▁a ▁labor atory ▁of ▁St . ▁C yr ▁Aer onaut ical ▁Institute . ▁Part s ▁of ▁the ▁plane ▁were ▁made ▁in ▁a ▁factory ▁at ▁A this - M ons , ▁and ▁assemble d ▁in ▁the ▁C ID NA ▁work sh ops ▁at ▁Le ▁Bour get ▁air port . ▁ ▁The ▁prototype ▁was ▁flow n ▁on ▁ 2 6 ▁November ▁ 1 9 3 2 ▁and ▁after ▁tests , ▁received ▁a ▁French ▁air worth iness ▁certificate . ▁The ▁plane ▁had ▁high ▁useful ▁load ▁ 4 5 0 0   kg ▁and ▁could ▁fly ▁on ▁two ▁engines . ▁In ▁March ▁ 1 9 3 3 ▁it ▁was ▁shown ▁to ▁the ▁French ▁Minister ▁of ▁Air ▁Pierre ▁Cot . ▁ ▁Description ▁ ▁High - wing ▁cant ile ver ▁mon op lane ▁of ▁wooden ▁construction , ▁with ▁closed ▁cab , ▁three ▁engines , ▁and ▁a ▁fixed ▁landing ▁g ear . ▁S par less ▁wing , ▁with ▁slightly ▁swe pt ▁leading ▁edge , ▁straight ▁rear ▁edge ▁and ▁rounded ▁tips , ▁was ▁bas ing ▁on ▁a ▁ge od et ical ▁structure ▁of ▁crossing ▁rib s . ▁C rew ▁sat ▁in ▁a ▁cab ▁before ▁the ▁wing . ▁Next ▁and ▁below ▁in ▁the ▁fus el age , ▁under ▁the ▁wing , ▁there ▁was ▁a ▁cabin ▁for ▁ 1 0 ▁passengers , ▁with ▁rect angular ▁windows ▁and ▁access ▁doors ▁in ▁front ▁and ▁at ▁the ▁rear . ▁The ▁landing - ge ar ▁was ▁of ▁the ▁conventional - type , ▁with ▁a ▁tail w heel .