See this video where he explains what the pilots probably did during the checklists : https://www.youtube.com/watch?v=q5Wler87pwY https://www.youtube.com/watch?

See this video where he explains what the pilots probably did during the checklists : https://www.youtube.com/watch?v=q5Wler87pwY https://www.youtube.com/watch?v=q5Wler87pwY