▁was ▁designed ▁in ▁France ▁as ▁an ▁amb ul ance ▁aircraft ▁with ▁the ▁ability ▁to ▁operate ▁from ▁small ▁fields ▁and ▁which ▁could ▁double ▁as ▁a ▁tra iner . ▁ ▁Only ▁one ▁of ▁these ▁single ▁engine , ▁wooden ▁bi plan es ▁was ▁built , ▁first ▁flying ▁about ▁ 1 9 2 7 . ▁ ▁Design ▁and ▁development ▁The ▁MS . 1 4 0 ▁was ▁designed ▁as ▁an ▁amb ul ance ▁aircraft , ▁with ▁a ▁h atch ▁behind ▁the ▁pilot ▁into ▁which ▁a ▁st ret cher ▁could ▁be ▁sl id . ▁For ▁maximum ▁utility ▁a ▁second ▁seat ▁with ▁dual ▁control ▁could ▁be ▁fitted ▁instead , ▁the ▁aircraft ▁then ▁able ▁to ▁perform ▁as ▁a ▁tra iner . ▁ ▁For ▁a ▁ 1 9 2 7 ▁design ▁it ▁was ▁back ward ▁looking , ▁particularly ▁in ▁it ▁use ▁of ▁a ▁rot ary ▁engine , ▁an ▁ 8 0   hp ▁( 6 0   k W ) ▁Le ▁Rh ône ▁ 9 C . ▁ ▁It ▁had ▁an ▁all ▁wood ▁structure ▁with ▁fabric ▁covering . ▁ ▁The ▁MS . 1 4 0 ▁was ▁a ▁single ▁bay ▁bi plane ▁with ▁wings ▁of ▁equal ▁span ▁but ▁swe ep back ▁on ▁the ▁upper ▁wing ▁only . ▁The ▁b ays ▁were ▁defined ▁by ▁pairs ▁of ▁parallel ▁inter plane ▁str uts . ▁ ▁On ▁each ▁side ▁a ▁shorter ▁pair ▁of ▁str uts ▁ran ▁from ▁the ▁upper ▁fus el age ▁to ▁the ▁upper ▁wing ▁and ▁another ▁pair ▁from ▁the ▁upper ▁fus el age ▁to ▁the ▁lower ▁wing ▁immediately ▁above ▁the ▁attachment ▁point ▁of ▁the ▁main