7 8 ) ▁is ▁preserved ▁and ▁on ▁display ▁at ▁the ▁air ▁museum ▁in ▁V anta a . ▁The ▁fus el age ▁of ▁T U - 1 6 9 ▁is ▁preserved ▁in ▁the ▁museum ' s ▁storage ▁facilities . ▁A ▁T uis ku ▁is ▁also ▁on ▁display ▁in ▁front ▁of ▁the ▁old ▁State ▁A ircraft ▁Factory ▁in ▁T amp ere . ▁ ▁Vari ants ▁T uis ku ▁Pro totype . ▁T uis ku ▁I ▁Initial ▁production ▁version . ▁T uis ku ▁II ▁Im pro ved ▁version , ▁fitted ▁with ▁a ▁ 2 1 5 - hp ▁( 1 6 0 - k W ) ▁Arm strong ▁Sid de ley ▁Lyn x ▁radial ▁p ist on ▁engine . ▁T uis ku / T The ▁crew ▁training ▁version ▁fitted ▁with ▁arm ament , ▁including ▁a ▁manually ▁aim ed ▁machine ▁gun ▁on ▁a ▁Sc ar ff ▁ring ▁in ▁the ▁rear ▁co ck pit . ▁T uis ku / O The ▁pilot ▁training ▁fitted ▁with ▁dual ▁controls ▁in ▁front ▁and ▁rear ▁co ck p its . ▁ ▁Oper ators ▁Finn ish ▁Air ▁Force ▁ ▁Spec ifications ▁( Land plane ) ▁ ▁See ▁also ▁ ▁References ▁ ▁Notes ▁ ▁Bibli og rap ht ▁ ▁Category : 1 9 3 0 s ▁Finn ish ▁military ▁aircraft ▁Category : 1 9 3 0 s ▁military ▁tra iner ▁aircraft ▁Category : 1 9 4 0 s ▁military ▁tra iner ▁aircraft ▁Category : 1 9 3 0 s ▁military ▁reconna issance ▁aircraft ▁Category : 1 9 4 0 s ▁military ▁reconna issance ▁aircraft