Originally Posted by
Airmann
Was with a pilot the other day that wanted to do the performance numbers using a 5kt tailwaind even though winds reported were around 15kt headwind. Not the first time I've seen this but at the end we had numbers that were around 10-15kts shower than they should have been if we had used the real wind.
Just wondering if anyone could share their thoughts about the advantages or disadvantages of this 'conservatism'.
The problem here is not the fact that he has elected to use some tail wind rather than headwind, but that he did not explain to You the reason behind this decision, which is a recurrent discussion/debriefing point in most training/checking events, even regarding small issues. The worst thing in a flight deck is taking a decision and leaving the other guy puzzled with question marks on his head.