▁A viation ▁Day ▁displays , ▁and ▁was ▁flow n ▁under ▁to w ▁directly ▁to ▁London ▁by ▁Joan ▁Me ak in . ▁During ▁early ▁flying ▁with ▁the ▁Wolf ▁it ▁gained ▁a ▁reputation ▁for ▁dangerous ▁spin ning ▁characteristics , ▁which ▁resulted ▁in ▁the ▁Gö ▁ 1 ▁being ▁ground ed ▁in ▁ 1 9 3 8 , ▁pending ▁incorpor ation ▁of ▁modified , ▁longer - ch ord , ▁sl otted ▁a iler ons . ▁ ▁The ▁cost ▁of ▁the ▁required ▁modifications ▁proved ▁une conom ic ▁for ▁the ▁majority ▁of ▁own ers ▁and ▁the ▁majority ▁of ▁Gö ▁ 1 s ▁never ▁fle w ▁again ▁and ▁only ▁three ▁are ▁known ▁to ▁have ▁surv ived ▁in ▁museum s . ▁ ▁One ▁is ▁still ▁oper ational ▁in ▁Germany ▁at ▁Sch em pp - H irth ▁GmbH . ▁On ▁June ▁ 3 0 , ▁ 2 0 1 8 , ▁T ilo ▁Hol igh aus ▁made ▁a ▁ 7 4   km ▁cross ▁country ▁flight ▁with ▁it . ▁ ▁Vari ants ▁T G - 2 0 ▁Four ▁Gö ▁ 1 s ▁im pressed ▁by ▁the ▁USA AF ▁and ▁allocated ▁serial s ▁ 4 2 - 5 7 1 6 8 , 4 2 - 5 7 1 7 5 , ▁ 4 2 - 5 7 1 9 5 , ▁and ▁ 4 2 - 5 7 2 0 4 ▁ ▁Spec ifications ▁( G ö ▁ 1 ▁Wolf ) ▁ ▁See ▁also ▁ ▁References ▁ ▁Further ▁reading ▁ ▁Japanese ▁Gl iders ▁ 1 9 3 0 – 1 9 4