TOKYO -- Air traffic controllers at Tokyo's Haneda Airport did not notice the Japan Coast Guard aircraft entering the runway before Tuesday's deadly plane collision even though a warning system was in working order, Nikkei has learned.
Japan plane crash
Haneda air traffic control missed warning alert in JAL collision
Runway monitor in working order before crash that killed 5 coast guard members
Investigators comb through the wreckage left by the deadly plane collision at Tokyo's Haneda Airport. (Photo by Suzu Takahashi)
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