<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by NoStressHere:
On Air Jamaica they insist they all be up for takeoff and landing. And, they insist you NOT have a blanket covering you.
Most of the various safety reasons do make sense.</font>
I suspect the "No Blanket" rule is to allow the FA to see if you have your seat belt fastened.