Tony Collins
<<There were important changes to the FADEC code after the Mull crash, and a different CPU used. From NAO report Feb 2000:
"… In September 1998 the Department, with the Royal Air Force’s consent, issued full Controller Aircraft Release for the Chinook Mk2 ...>>
Could you please give us an estimate of how many hours were flown in HC2 Chinooks between the accident date and the first implementation of any of these changes? In other words, how much flying was done subsequent to the crash without any changes to the FADEC system? And, if the amount is sufficient to pass judgement on, how does this compare with expected/satisfactory reliability for a military aircraft?