SORRY
Mick
I think you are a wise man and I do respect your experience , I did not say both pilots are less of experience but I meant that may be by mistake he locked the nose wheel instead of un locked ,the rezone I said that ,the tail boom will required a lot of force FOR twisted ,this force will come if the helicopter is moving in the taxing and suddenly it stopped in the direction of rotation .but I have news for you from 1 HR I received an e-mail from one of my friends he send me a copy from AD ISSUED BY EASA IN 13 AUGUST 2008 THE AD NO 2008-0157 AND IT SAY THAT SOME OF THE AB/139 HELICOPTERS REPORTED FINDING DEBONDING OF FUSLGE TAIL BOOM PANELS THIS CONDITION IF NOT DETECTED ANDCORRECCTED ,COULD LEAD TO THE STRUCTURAL COLLAPSE OF THE TAIL BOOM ANSTALLATION ,RESULTING IN LOSS OF CONTROL OF THE HELICOPTER ,BY THE WAY AM NOT WORKING IN THIS CO,BUT I HAVE FRINEDS THER ,THANKS FOR THE INFORMATION YOU GIVE ME ABOUT THE CASE