JB
Excellent link. I know where Santa should get my next present from!
Hooloovoo
Stick at it. At no stage in anyone's career are they above being questioned as to decisions taken and your questions show that you are thinking on the right lines for safety. You've been put right as regards this particular situation but don't be slow in asking pertinent questions in the future.
There's a saying in this part of the world (Middle East):-
"The ignorant learns at his own expense and the wise at the expense of others"
Which is why we have Pprune.