▁of ▁the ▁accident . ▁ ▁His ▁license ▁to ▁operate ▁Lock he ed ▁L - 1 8 8 A ▁Elect ras ▁was ▁valid ▁from ▁March ▁ 1 , ▁ 1 9 7 6 ▁to ▁August ▁ 3 1 , ▁ 1 9 7 6 . ▁ ▁He ▁was ▁required ▁to ▁wear ▁glass es ▁for ▁far - s ight ed ness ▁as ▁needed ▁in ▁flight ▁but ▁this ▁was ▁not ▁a ▁factor ▁in ▁the ▁crash . ▁ ▁First ▁Officer ▁Ern esto ▁N acion , ▁ 4 0 , ▁served ▁as ▁co - p il ot , ▁having ▁worked ▁for ▁Air ▁Man ila ▁since ▁ 1 7 ▁April ▁ 1 9 6 8 . ▁ ▁His ▁pilot ' s ▁license ▁was ▁valid ▁from ▁January , ▁ 1 9 7 6 , ▁to ▁ 3 0 ▁June ▁ 1 9 7 6 . ▁ ▁N acion ▁was ▁cert ified ▁to ▁be ▁a ▁reserve ▁captain ▁for ▁the ▁L - 1 8 8 ▁Elect ra ▁on ▁ 1 0 ▁March ▁ 1 9 7 5 . ▁ ▁At ▁the ▁time ▁of ▁the ▁accident ▁he ▁had ▁ 8 , 9 0 6 : 4 4 ▁total ▁flight ▁hours , ▁of ▁which ▁ 2 , 0 3 7 : 2 1 ▁were ▁on ▁the ▁L - 1 8 8 ▁Elect ra . ▁ ▁Fl ight ▁Engine er ▁John athan ▁J aval era ▁( no ▁relation ▁to ▁the ▁captain ), ▁ 3 2 , ▁who ▁worked ▁for ▁Air ▁Man ila ▁since ▁ 2 8 ▁February ▁ 1 9 6 9 . ▁ ▁Rel