
niyaay ell. keey.

1936 epril muthal yuu. ezz. ezz. aaril roopakalppana cheyth nirmmicha rund seettukalulla cabin vimanamaayirunnu ell. keey. (leningradsky comsomoliets-leningrad yang communist).
vikasanam.
1930-ll lips (-leningrad instittyoott phoor seyil aandu communications enchineeyarmaar) oru yuke gvf (-sivil eyar fleettinulla pariseelana kendram) roopeekarichu, athaakatte yuke gvf niyaay ("navochno-isledovatelsky airo-instittyoott"-shaasthreeya gaveshana airo-instittyoott) roopeekarichu, ithu vyakthigatha okebinte command nalkia niravadhi nalla design enchineeyarmaarude shradhaakendramaayi maari ("osoboy constructorskoy beuro"-pezhsanal design/kanstrakshan beuro).
niyaayiyile ettavum mikacha designermaaril oralaaya grigori ivanovichu bakshayevu 1936 ll elke rund seettukalulla sports vimaanathinte roopakalppanayil neethrthwam nalki. velded steel truss fuselage thadi chirakukalum upayogichu nirmmicha loow-wing elkek oru nischitha teyil-wheel under kyarej, rund seettukalulla oru tandom greenhouse kokkpitt, orotta emm-11 radial enchin ennivayundaayirunnu. ell. keyile puthumakalil chirakukalile thaarathamyena valia end plettukalum chirakukalude mukalile uparithalathil vyaapichukidakkunna "interceptar" spoiler tharam roll niyanthranangalum ulppedunnu.
eaka prototype elke 1936 joolaiyil poortthiyaayi, 1936 augustil flaitt testtukal aarambhichu, koodaathe elke moscoylake deerghadoora parakalum nadatthi.