FLAGSTAFF (AP) – Flight restrictions put in place in the Grand Canyon after a sightseeing helicopter crashed last weekend have been lifted.
Three British tourists were killed in the crash Saturday on tribal land outside the national park. The medical examiner's office where the autopsies were done said Wednesday the friends died of multiple injuries from the crash but did not elaborate.
The pilot and three other Britons were critically injured and taken to a Las Vegas trauma center.
The Federal Aviation Administration had imposed flight restrictions on part of the Hualapai reservation for any aircraft not involved in rescue and recovery efforts. Those restrictions were lifted late Tuesday evening, allowing air tours around the crash site to resume, the agency said.
The cause of the crash is being investigated by the National Transportation Safety Board. Investigators will interview witnesses, survivors, the helicopter operator and manufacturer and others before issuing a full report in more than a year. Preliminary findings are expected before the end of the month.
The wreckage of the helicopter was recovered and taken out of the canyon Tuesday. It's been moved to Phoenix to be examined by the NTSB as part of its investigation.