On Dec 16, 9:33 am, Ian wrote:
There's also a question about when they are appropriate. Would anyone
here use a checklist for thermalling? I once had someone try to
convince me to use a check list for a winch launch cable break[*] -
is that a good use of the couple of seconds available for reaction?

Probably not. But it probably *is* useful as part of the
last E in cb-sift-cbe.