Chinook
Chugalug2.
Quote "I merely suggest that the Operating/Airworthiness Authority Accident Investigation, ie the BoI, failed to investigate that most glaring deficiency in the aircraft".
Not good enough; you said there was a conspiracy. (OED definition: "A combination of persons for an evil or unlawful purpose".
While you are looking up the meaning of conspiracy for yourself, please also check on your word dichotomy.
Apologies for reverting to my DS mode, but you do ask for it!
Regards. John