United Airlines Flight UA 1722 left Kahului Airport on Maui, Hawaii, for San Francisco on Dec. 18. The plane climbed to an altitude of 2,200 feet, before plunging sharply downward 71 seconds after takeoff.
Article source: https://www.huffpost.com/entry/united-airlines-maui-san-francisco-ocean_n_63ea7415e4b07f036b9e82f6