plane , ▁while ▁the ▁a iler ons ▁and ▁elev ators ▁are ▁actu ated ▁via ▁a ▁dual - redu nd ant ▁hyd ra ul ic ▁system . ▁Man ual ▁re version ▁is ▁provided ▁for ▁the ▁a iler ons , ▁elev ator ▁and ▁rud der ▁to ▁allow ▁the ▁aircraft ▁to ▁be ▁flow n ▁even ▁in ▁the ▁event ▁of ▁complete ▁hyd ra ul ic ▁failure ; ▁either ▁control ▁system ▁can ▁act ▁independent ▁of ▁one ▁another . ▁The ▁wing ▁is ▁fitted ▁with ▁both ▁leading ▁edge ▁sl ats ▁and ▁trailing ▁edge ▁f laps ▁and ▁over wing ▁spo ilers ▁ahead ▁of ▁the ▁f laps . ▁The ▁spo ilers ▁can ▁function ▁as ▁air bra kes ▁and ▁to ▁neg ate ▁lift ; ▁impro ving ▁take - off ▁and ▁landing ▁performance ▁as ▁well ▁as ▁man oe uv rab ility ▁during ▁flight . ▁ ▁A ▁single ▁Roll s - Ro y ce ▁Spe y ▁tur bo fan ▁engine ▁serves ▁as ▁the ▁AM X ' s ▁power plant . ▁During ▁the ▁aircraft ' s ▁development , ▁the ▁Spe y ▁was ▁heav ier ▁and ▁less ▁modern ▁than ▁some ▁of ▁the ▁available ▁alternatives , ▁but ▁it ▁was ▁considered ▁to ▁be ▁reliable , ▁relatively ▁cheap ▁and ▁was ▁free ▁of ▁export ▁restrictions ▁that ▁would ▁be ▁im posed ▁by ▁using ▁American ▁engines . ▁The ▁Spe y ▁engine ▁also ▁enabled ▁for ▁the ▁use ▁of ▁a ▁simplified ▁round - li pped ▁in let ▁design . ▁The ▁rear ▁fus el age ▁is ▁det ach able ▁in ▁order ▁to ▁gain ▁access ▁to ▁the ▁engine . ▁Se par ate ▁cons ort ia ▁in ▁both