Transcript for 4 Americans killed in Australian charter plane crash

the plane crash that killed four American tourists and a pilot in Australia. Authorities there are calling it the worst civil aviation accident in 30 years and ABC's lama Hasan has the story. Good morning, lama. Reporter: Yeah, good morning to you, George. This morning we're learning more about the vic, four American tourist, two of them were from Texas all reportedly on a golfing trip of a lifetime. Sadly ending just minutes after their chartered plane took off. Just moments after the pilot reported catastrophic engine failure, the plane carrying four American tourists and an Australian pilot crashed into an outlet mall killing everyone on board. The mall was 45 minutes from opening. A twin engine left the airport and shortly after takeoff had a catastrophic ensomeone failure. The pilot attempted to return but crashed into the field. Reporter: The fire and smoke visible by drivers from the nearby highway. Oh, . Reporter: Ripping through the mall roof causing a large explosion. Thick plumes of black smoke coming from what was left of the plane. Debris scattered everywhere. This was a very intense, very nasty fire but highly skilled and trained firefighters have done an outstanding job in extinguishing that blaze. Reporter: Emergency crews responding within minutes, a total of 90 firefighters on the scene to extinguish the massive fireball caused by the crash. The sister of Greg de haven, one of the Americans killed tells ABC news he was on vacation with a group of friends and their wives posting on Facebook, my handsome, athletic big brother was killed today in a plane accident while on his once in a lifetime trip to Australia. Now, the mall was right at the end of the runway where their beechcraft airplane was taking off and the pilot made two distress calls before crashing into the mall and authorities are calling it, quote, a desperately sad day, George. Oh, it is sad.

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