Which part would you really not want to go wrong mid air?  And where does the famous wokka-wokka sound come from?  To find out, the Royal Air Forces Association's Air Mail talks to the engineers and personnel with first hand experience of working on, and in, the Chinook over the last 40 years.

This episode is based on member's stories as described in July 2021's edition of Air Mail, a quarterly magazine mailed to Royal Air Forces Association members.  Want to read more?  Join us.