1.   Investigators believe the crash was caused by pilot error.

2.   ...a defect in the aircraft caused the crash.

3.   Initial investigations suggested that the crash had been caused by a combination of bad weather and either pilot error or a failure in the communications system.

4.   Alison believes the letter should have been sent to the person who caused the crash and the local authority should have made every effort to see this was done.

5.   Air accident investigators are now trying to establish what caused the crash.

6.   It could be several months before they are ready to say what caused the crash.

7.   So far there are no clues as to what caused the crash.

8.   But it would be nice to know what actually caused that crash.