▁Mar qu art ▁with ▁the ▁first ▁prototype ▁being ▁built ▁and ▁flow n ▁by ▁Daniel ▁W . ▁F iel der ▁Jr . ▁at ▁Fl ab ob ▁Airport . ▁It ▁is ▁an ▁all - new ▁design ▁based ▁around ▁Mar qu art ' s ▁single ▁place ▁home built ▁bi plane , ▁the ▁MA - 4 . ▁The ▁aircraft ▁was ▁designed ▁to ▁perform ▁m ild ▁aer ob at ics . ▁Mar qu art ▁sold ▁plans ▁for ▁scratch ▁building ▁the ▁aircraft , ▁no ▁k its ▁were ▁manufact ured . ▁ ▁The ▁aircraft ▁uses ▁a ▁w eld ed ▁steel ▁t ube ▁fus el age ▁with ▁do ped ▁aircraft ▁fabric ▁covering . ▁The ▁wings ▁use ▁wooden ▁sp ars ▁and ▁rib s . ▁The ▁bi plane ▁uses ▁conventional ▁landing ▁g ear ▁and ▁has ▁two ▁tan dem ▁open ▁co ck p its . ▁The ▁wings ▁are ▁constant ▁ch ord ▁and ▁swe pt ▁ 1 0 ▁degrees . ▁ ▁The ▁first ▁prototype ▁took ▁seven ▁years ▁to ▁build . ▁ ▁Since ▁Ed ▁Mar qu art ' s ▁death ▁in ▁ 2 0 0 7 , ▁the ▁plans ▁have ▁been ▁placed ▁in ▁the ▁public ▁domain , ▁and ▁are ▁available ▁as ▁free ▁PDF ▁files ▁via ▁the ▁Mar qu art ▁Char ger ▁MA - 5 ▁groups ▁on ▁either ▁Facebook ▁or ▁Y ahoo . ▁ ▁Oper ational ▁history ▁ ▁In ▁ 1 9 8 2 , ▁Jim ▁Smith ' s ▁Mar qu art ▁Char ger ▁won ▁Grand ▁Champion ▁Pl ans - built ▁A ircraft ▁at ▁the ▁E AA ▁Air V ent ure ▁O sh k osh ▁air show