Federal investigators are seeking more information about an incident in which a United Airlines plane dropped to within about 800 feet (250 meters) of the ocean surface after taking off from Hawaii.
United says the pilots are getting additional training.
The Boeing 777 dropped more than 1,400 feet (470 meters) before climbing again, according to data from tracking service Flightradar24. The plane then continued on to San Francisco. No injuries were reported.
A spokesman for the National Transportation Safety Board said Monday that the investigative agency is still seeking information about the Dec. 18 incident, which only recently came to public attention after a report in The Air Current, an aviation-industry publication….