RAT 5
I assume that is from your current OM as per EASA, but now I read your post again, I'm not so sure.
Just to be clear for ease the text I used was a cut and paste from an EASA on-line document but before I posted I did cross check and it ties in, absolutely word for word, with the rule as written in our current OM.
I know when the EASA rules were being introduced this was seen at least in some places as a change from the previous 100/28 rule set and therefore a minor win by the unions/associations. As back to Boeing says it is regarded by some as definitely being more restrictive than the CAP 371 version of 100/28. ...