the next year, mcdonald douglas launched a multi million dollars ad campaign trying to recoop publicconfidence. >> the same skill and technology goes into the dc10. one of the most thoroughly tested airliners ever built. >> reporter: in 1987 the manufactured did warn airlines of potential problems in older dc10s. flight 232 was 16,000 take offs and landings in its 15 years would qualify for those special crack inspections. >> the ntsb investigation credited the crew for managing the descend of a badly crippled plane that could not be slowed and could barely be guided due to the failure of key disabled systems. the pilot thanked first responders just days after that crash. >> reporter: sitting in a wheelchair, the 59-year-old keen smiled as he entered the conference. the 51-year-old co-pilot sat silently during the meeting with reporters referring to haynes. >> we must not forget that 111 people parished in this accident. and to their families and their friend i would like to say that this crew and in fact, the entire industry is dedicated to finding the cause of this accident so mayb