Always remember a sentence from one of my instructor who told me :" you known flying a modern aircraft today from A to B, when the weather is nice, aircraft is ok...even my Grand Mother can do it...
....BUT...When you have a serious technical problem and the weather is sh... and.... than you better be a well trained and qualified pilot...."
Hope Qatar Airways has not been just lucky up to now....
P.S.: leave allocation has been released.