▁ 1 9 5 7 , ▁an ▁I ly ush in ▁Il - 1 4 P ▁operating ▁L OT ▁Polish ▁Airlines ▁Fl ight ▁ 2 3 2 ▁crash ed ▁after ▁the ▁crew ▁did ▁not ▁follow ▁instruction ▁to ▁use ▁an ▁instrument ▁approach . ▁ ▁On ▁ 4 ▁November ▁ 1 9 5 7 , ▁an ▁I ly ush in ▁Il - 1 4 P ▁belonging ▁to ▁the ▁Roman ian ▁Government ▁crash ed ▁on ▁approach ▁in ▁the ▁fog . ▁ ▁On ▁ 2 ▁September ▁ 1 9 5 9 , ▁an ▁I ly ush in ▁Il - 1 8 B ▁suffered ▁significant ▁struct ural ▁damage , ▁forcing ▁it ▁to ▁make ▁an ▁emer gency ▁landing . ▁ ▁The ▁aircraft ▁was ▁written ▁off . ▁ ▁On ▁ 2 3 ▁October ▁ 1 9 5 9 , ▁Aer of lot ▁Fl ight ▁ 2 0 0 ▁crash ed ▁in ▁a ▁forest ▁on ▁approach ▁and ▁was ▁destroyed ▁by ▁fire , ▁killing ▁ 2 8 ▁of ▁the ▁ 2 9 ▁people ▁ab o ard . ▁ ▁On ▁ 2 6 ▁August ▁ 1 9 6 9 , ▁an ▁Aer of lot ▁I ly ush in ▁Il - 1 8 B ▁crash ed ▁after ▁the ▁crew ▁forgot ▁to ▁lower ▁the ▁landing ▁g ear , ▁killing ▁ 1 6 ▁passengers . ▁ ▁On ▁ 1 0 ▁October ▁ 1 9 7 1 , ▁Aer of lot ▁Fl ight ▁ 7 7 3 ▁crash ed ▁shortly ▁after ▁take off ▁when ▁an ▁explos ive ▁device ▁on ▁board ▁det on ated , ▁killing ▁all ▁