article_snippet: In the wake of the tragedy, some called for airlines to modify airlines transponders to prevent anyone from being able to shut anyone off in flight.
article_snippet: But many pilots oppose that idea as a safety issue.
article_snippet: many pilots want to be able to turn off any electrical system on board in case of a fire or other in-flight emergency.
article_snippet: If all airliners were equipped this way, we could know a flight was in trouble even if the crew could not communicate by other means.