▁one ▁of ▁the ▁largest ▁Canadian ▁electron ics ▁fir ms . ▁ ▁In ▁ 1 9 8 8 , ▁P les sey ▁announced ▁they ▁would ▁purchase ▁Le igh ▁for ▁about ▁ 4 2 . 5 ▁million ▁P ounds . ▁This ▁was ▁most ▁of ▁the ▁money ▁P les sey ▁received ▁from ▁G EC ▁during ▁the ▁creation ▁of ▁G EC ▁P les sey ▁Tele communic ations . ▁However , ▁the ▁deal ▁fell ▁through ▁and ▁the ▁company ▁was ▁eventually ▁broken ▁up . ▁ ▁Although ▁most ▁aircraft ▁carry ▁non - e ject able ▁be a cons , ▁e ject able ▁versions ▁are ▁still ▁built ▁for ▁over water ▁flight , ▁and ▁most ▁of ▁these ▁feature ▁the ▁t umb ling - air fo il ▁design . ▁ ▁References ▁ ▁Notes ▁ ▁Bibli ography ▁▁ ▁S adi q ▁Has n ain , ▁" The ▁Cr ash ▁Position ▁Ind icator ", ▁IE EE , ▁April ▁ 1 9 7 9 ▁ ▁( Extra ordinary ), ▁" Extra ordinary ▁In vent or ", ▁U ▁of ▁A ▁Engine er ▁Magazine , ▁Winter ▁ 2 0 0 5 ▁ ▁( Sur viv ors ), ▁" S aving ▁Sur viv ors ▁by ▁F inding ▁F allen ▁A ircraft s ▁( s ic )", ▁N RC , ▁ 2 0 0 8 - 0 3 - 0 5 ▁ ▁Jer emy ▁S ear , ▁" The ▁A RL ▁‘ Black ▁Box ’ ▁Fl ight ▁Rec order ", ▁University ▁of ▁Melbourne , ▁October ▁ 2 0 0 1 ▁ ▁Category : A ircraft ▁emer gency ▁systems ▁Category :