▁ground ▁again . ▁Fl ight ▁ 2 2 8 6 ▁eventually ▁sl id ▁to ▁a ▁stop ▁approximately ▁five ▁miles ▁from ▁the ▁air port . ▁ ▁One ▁crash ▁surv iv or ▁h ik ed ▁through ▁snow ▁for ▁over ▁a ▁mile ▁in ▁an ▁effort ▁to ▁sum mon ▁help . ▁Both ▁pil ots ▁plus ▁seven ▁passengers ▁were ▁killed ▁in ▁the ▁crash . ▁ ▁Investig ation ▁and ▁probable ▁cause ▁The ▁accident ▁was ▁investig ated ▁by ▁the ▁N T SB . ▁ ▁Investig ators ▁learned ▁that ▁First ▁Officer ▁Ralph ▁Har vey ▁had ▁a ▁history ▁of ▁alco hol ▁ab use . ▁However , ▁the ▁first ▁officer ▁had ▁completed ▁a ▁physical ▁exam ▁the ▁day ▁before ▁the ▁crash , ▁and ▁was ▁found ▁at ▁that ▁time ▁to ▁be ▁free ▁of ▁alco hol ▁or ▁illegal ▁dru gs . ▁ ▁In ▁addition , ▁tests ▁on ▁the ▁first ▁officer ' s ▁body ▁were ▁negative ▁for ▁alco hol ▁or ▁dru gs . ▁ ▁During ▁the ▁investigation , ▁the ▁N T SB ▁was ▁informed ▁by ▁another ▁pilot ▁that ▁after ▁the ▁crash , ▁he ▁encountered ▁a ▁woman ▁that ▁claimed ▁to ▁be ▁the ▁f ian c ée ▁of ▁Captain ▁Stephen ▁Silver . ▁ ▁The ▁woman ▁claimed ▁to ▁have ▁" done ▁a ▁bag ▁of ▁c oca ine " ▁with ▁Silver ▁on ▁the ▁night ▁before ▁the ▁accident . ▁The ▁N T SB ▁attempted ▁to ▁contact ▁and ▁interview ▁the ▁woman , ▁but ▁were ▁un success ful . ▁However , ▁tests ▁on ▁his ▁body ▁found ▁traces ▁of ▁c oca ine ▁and ▁its ▁met abol ites ▁in ▁his ▁blood ▁and ▁ur ine . ▁The