ulf ▁F w ▁ 4 4 ▁St ie gl itz . ▁By ▁this ▁time , ▁L ent ▁had ▁accum ulated ▁ 6 3 ▁fl ights ▁in ▁his ▁log book . ▁In ▁conj unction ▁with ▁flight ▁training , ▁the ▁students ▁also ▁learned ▁to ▁drive ▁motor cy cles ▁and ▁cars ▁and ▁during ▁one ▁of ▁these ▁training ▁exer cis es , ▁L ent ▁was ▁involved ▁in ▁a ▁road ▁accident , ▁breaking ▁his ▁upper ▁leg ▁badly ▁enough ▁to ▁prevent ▁him ▁from ▁flying ▁for ▁five ▁months . ▁This ▁did ▁not ▁advers ely ▁affect ▁his ▁class room ▁training ▁and ▁on ▁ 1 ▁April ▁ 1 9 3 7 , ▁after ▁taking ▁his ▁commission ▁exam ination , ▁he ▁was ▁promoted ▁to ▁F ä hn rich . ▁On ▁ 1 9 ▁October ▁ 1 9 3 7 ▁L ent ▁completed ▁his ▁flight ▁training ▁and ▁was ▁awarded ▁the ▁A / B ▁License . ▁He ▁earned ▁his ▁wings ▁on ▁ 1 5 ▁November ▁ 1 9 3 7 . ▁On ▁ 1 ▁February ▁ 1 9 3 8 , ▁he ▁was ▁promoted ▁to ▁Ober f ä hn rich ▁( first ▁en sign ), ▁and ▁on ▁ 1 ▁March ▁ 1 9 3 8 ▁to ▁Le ut nant . ▁By ▁this ▁time , ▁he ▁had ▁made ▁ 4 3 4 ▁fl ights ▁in ▁eight ▁different ▁types ▁of ▁aircraft ▁and ▁had ▁accum ulated ▁ 1 1 2 ▁hours ▁and ▁ 4 8 ▁minutes ▁flying ▁time , ▁mostly ▁in ▁day light ▁fl ights , ▁in ▁single ▁engine ▁training ▁aircraft . ▁ ▁After ▁leaving ▁G at ow