Bloomberg
US authorities have opened an investigation into a United Airlines Holdings Inc flight that dropped toward the Pacific Ocean shortly after taking off from Hawaii in December.
The National Transportation Safety Board said in a tweet that it will formally review the incident, which didn’t result in any injuries. It expects to have a preliminary report ready in two to three weeks.
The United plane took off from Maui on December 18 and climbed normally for about a minute before quickly losing about 1,400 feet (427 meters) of altitude, according to data provided by tracker Flightradar24.
The Boeing Co 777-200ER came within several hundred feet of the ocean before resuming its climb and then flying safely to San Francisco, according to Flightradar24.