▁R - 6 8 0 . ▁ ▁Kenneth ▁Parker , ▁the ▁son ▁of ▁George ▁S aff ord ▁Parker , ▁founder ▁of ▁Parker ▁Pen ▁Company ▁owned ▁an ▁AT . ▁ ▁Military ▁version ▁- ▁tra iner ▁The ▁USA AC ▁purchased ▁ 4 ▁Y PT - 1 0 ' s ▁and ▁tested ▁with ▁ 5 ▁different ▁engine ▁versions ▁resulting ▁in ▁Y PT - 1 0 ▁th ru ▁Y PT - 1 0 D ▁design ations . ▁It ▁had ▁a ▁ 1 6 5   hp ▁engine ▁and ▁could ▁produce ▁top ▁speed ▁of ▁ 1 2 0   m ph , ▁which ▁was ▁not ▁faster ▁than ▁other ▁aircraft ▁of ▁that ▁era , ▁but ▁was ▁more ▁than ▁ade qu ate ▁for ▁the ▁flight ▁training ▁purposes ▁of ▁the ▁Army . ▁ ▁Spec ifications ▁ ▁Other ▁spec s ▁Hey wood ▁air ▁st arter ▁dual ▁A . P . C . ▁bra kes ▁ ▁See ▁also ▁ ▁Alfred ▁V . ▁Ver ville ▁ ▁References ▁ ▁External ▁links ▁ ▁A viation ▁En th us iast ▁Cor ner ▁ ▁Category : 1 9 3 0 s ▁United ▁States ▁military ▁tra iner ▁aircraft ▁Category : 1 9 3 0 s ▁United ▁States ▁sport ▁aircraft ▁Category : Ver ville ▁aircraft ▁Category : Single - eng ined ▁tra ctor ▁aircraft ▁Category : Bi plan es ▁Category : A ircraft ▁first ▁flow n ▁in ▁ 1 9 3 0 <0x0A> </s> ▁L als ot ▁is ▁a ▁constitu ency ▁of ▁the ▁Raj as than ▁Legisl ative ▁Assembly ▁covering ▁the ▁L als ot ▁Te hs il ▁in ▁the ▁D