- eng aged ▁during ▁the ▁pil ots ' ▁pre - take off ▁checks , ▁and ▁that ▁it ▁was ▁not ▁noticed ▁until ▁the ▁take off ▁was ▁so ▁far ▁advanced ▁that ▁a ▁successful ▁abandon ment ▁within ▁the ▁over run ▁area ▁could ▁not ▁be ▁made . ▁The ▁re - eng agement ▁of ▁the ▁g ust ▁lock ▁was ▁made ▁possible ▁by ▁the ▁condition ▁of ▁the ▁g ust ▁lock ▁lever ▁gate ▁plate ▁and ▁gate - stop ▁strip , ▁to ▁which ▁non - standard ▁rep airs ▁had ▁been ▁made . ▁ ▁Saf ety ▁recommend ations ▁The ▁AA IB ▁made ▁nine ▁recommend ations : ▁ ▁That ▁the ▁g ust ▁lock ▁system ▁be ▁red es igned ▁to ▁ensure ▁positive ▁operation ▁at ▁all ▁times ▁and ▁avoid ▁mis leading ▁the ▁crew ▁as ▁to ▁the ▁position ▁of ▁any ▁lock . ▁That ▁co ck pit ▁voice ▁record ers ▁be ▁fitted ▁to ▁all ▁public ▁transport ▁aircraft ▁over ▁ ▁maximum ▁weight . ▁That ▁the ▁authorities ▁of ▁air ports ▁with ▁run ways ▁facing ▁out ▁to ▁sea ▁l ia ise ▁with ▁the ▁Department ▁of ▁Trade ▁through ▁H M ▁Coast guard ▁to ▁agree ▁procedures ▁for ▁close ▁off sh ore ▁rescue . ▁That ▁aer od rom es ▁operated ▁by ▁the ▁Civil ▁A viation ▁Author ity ▁( CAA ) ▁be ▁lic ensed ▁as ▁per ▁the ▁[ same ] ▁requirements ▁for ▁other ▁aer od rom es . ▁That ▁the ▁C AA ▁Public ation ▁ 1 6 8 ▁Lic ens ing ▁of ▁Aer od rom es ▁be ▁review ed ▁in ▁the ▁interests ▁of ▁upgrad ing ▁its ▁listed ▁safety ▁marg ins . ▁That ▁the ▁C