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RNSA Report on #TK18: Crew Actions Worsened Incident Severity

Icelandic RNSA’s Report on #TK18: “Crew’s Incorrect and Uncoordinated Actions Worsened the Severity of the Incident” On February 13, 2023, Turkish Airlines flight #TK18, operated by a Boeing 777-300ER registered as TC-JJJ, encountered severe turbulence over Icelandic airspace during its Toronto-Istanbul route, resulting in an altitude loss of approximately 8,000 feet. The investigation revealed that the two pilots in the…