UPS! Same time posting, just couple seconds later!
Can I dramatise this IF'S a bit?
1) If the crew would read checklist properly?
2) If Spanair would not missed boeing recommendation?
3) -
4) If the engineers would ask WHY before HOW?
4a) If ground worker wouldn't hesistate to ask WHY collision lights are ON?
5) -
6) -
etc etc