An MD-11 has a standard flight crew consisting of a captain and a first officer, as well as a cabin crew made up of the work of 11 flight attendants. All personnel on board Swissair Flight 111 were qualified, certified, and trained in accordance with Swiss regulations under the Joint Aviation Authorities (JAA). The cockpit crew consisted of 50-year-old Captain Urs Zimmermann and 36-year-old First Officer Stefan Löw, both experienced pilots with 10,800 flight hours and 4,800 flight hours, respectively. The captain was also an instructor pilot for the MD-11.