Ответ:

1)..over Alps, when 2 engines stopped.

2) didn't worry

3) the plane had 4 engines.

4) changed direction

5) the 3rd engine stopped.

6) slowed down and lost

7) they need to flew over mountains

8) stopped

9) they flew over last mountain.

10) crashed near a farm

11) Rescue services helped survivors all night

12) thanked pilots for their great work.