Off from columbus airport in ohio when the flight struck a bird causing one of the two engines to fail. >> mayday, mayday, mayday, american 1958, we have a bird strike and engine failure. >> the engine was on fire. for probably about three minutes. something like that. i don't know how long exactly. but it was just backfiring. >> reporter: bird's pose a unique risk to airlines. the number of collisions are trending up, reaching a record 17,000 last year. the faa said due in part to conservation efforts and quieter airlines. >> they have cannons to make noise and vehicles and other lights and n...