: 2 0 1 0 ▁English ▁local ▁elections ▁Category : May ▁ 2 0 1 0 ▁events ▁in ▁the ▁United ▁Kingdom ▁ 2 0 1 0 ▁Category : 2 0 1 0 s ▁in ▁Gre ater ▁Manchester <0x0A> </s> ▁The ▁Con v air ▁C - 1 3 1 ▁Sam ar itan ▁is ▁an ▁American ▁tw in - eng ined ▁military ▁transport ▁produced ▁from ▁ 1 9 5 4 ▁to ▁ 1 9 5 6 ▁by ▁Con v air . ▁It ▁is ▁the ▁military ▁version ▁of ▁the ▁Con v air ▁CV - 2 4 0 ▁family ▁of ▁air lin ers . ▁ ▁Design ▁and ▁development ▁The ▁design ▁began ▁life ▁in ▁a ▁production ▁requirement ▁by ▁American ▁Airlines ▁for ▁a ▁press ur ized ▁air lin er ▁to ▁replace ▁the ▁classic ▁Douglas ▁DC - 3 . ▁Con v air ' s ▁original ▁design ▁had ▁two ▁engines ▁and ▁ 4 0 ▁seats , ▁and ▁thus ▁it ▁was ▁designated ▁the ▁CV - 2 4 0 . ▁The ▁first ▁CV - 2 4 0 ▁fle w ▁on ▁March ▁ 1 6 , ▁ 1 9 4 7 , ▁and ▁production ▁aircraft ▁were ▁first ▁delivered ▁to ▁American ▁on ▁February ▁ 2 8 , ▁ 1 9 4 8 . ▁Se vent y - five ▁were ▁delivered ▁to ▁American , ▁with ▁another ▁fifty ▁going ▁to ▁Western ▁Airlines , ▁Cont inental ▁Airlines , ▁Pan ▁American ▁Air ways , ▁K LM , ▁Sab ena , ▁Swiss air ▁and ▁Trans ▁Australia ▁Airlines . ▁ ▁Oper ational ▁history ▁ ▁The ▁CV - 2 4 0 /