ock ett ▁me adow , ▁an ▁isolated ▁spot , ▁ 9 , 0 0 0 ▁feet ▁in ▁alt itude , ▁about ▁ 5 0 ▁miles ▁east ▁of ▁Vis alia ." ▁The ▁action ▁code ▁for ▁this ▁accident ▁is ▁Kil led - ▁ba iled ▁out ▁due ▁to ▁weather . ▁C ock e ▁will ▁go ▁on ▁to ▁set ▁a ▁gl ider ▁duration ▁record ▁of ▁ 2 1 ▁hours , ▁ 3 4 ▁minutes . ▁▁ 2 9 ▁April ▁Fair child ▁Y 1 C - 2 4 , ▁ 3 2 - 2 8 9 , ▁c / n ▁ 6 7 0 9 , ▁of ▁Head quarters ▁Fl ight , ▁one ▁of ▁four ▁Pil gr im ▁Model ▁ 1 0 0 - B s ▁acquired ▁by ▁the ▁USA AC ▁and ▁used ▁as ▁an ▁air ▁amb ul ance ▁into ▁the ▁late ▁ 1 9 3 0 s , ▁pil oted ▁by ▁James ▁R . ▁Williams , ▁is ▁moder ately ▁dam aged ▁in ▁a ▁ground ▁loop ▁on ▁landing ▁at ▁Lang ley ▁Field , ▁Virginia . ▁Re pa ired , ▁it ▁will ▁later ▁be ▁w reck ed ▁ 5 ▁miles ▁SE ▁of ▁Front ▁Royal , ▁Virginia ▁on ▁ 2 8 ▁January ▁ 1 9 3 7 . ▁▁ 3 0 ▁April ▁ ▁Douglas ▁B T - 2 B , ▁ 3 1 - 5 1 , ▁an ▁hour ▁into ▁a ▁ 1 5 0 0 ▁h rs . ▁local ▁flight ▁out ▁of ▁Chicago ▁Municipal ▁Airport , ▁Chicago , ▁Illinois , ▁suff ers ▁engine ▁failure . ▁ ▁L ts .