Walter,
You have consistently and repeatedly been told that the equipment at the heart of your theory was not fitted to the Mull Chinook. Even if it had been surreptitiously fitted it was not cleared for use in any RAF aircraft at that time - thus its use without specific authorisation would have been an act of gross negligence.
Your raising of the 1941 Sunderland crash again shows your almost total lack of knowledge regarding Military Flying. The mere fact that a person being carried in an aircraft has Pilots wings or a Navigators brevet is irrelevent unless that person was trained and authorised to occupy a crew position for that particular flight. The last time I flew from UK to Iceland I could have carried 70+ Pilots/navigators as passengers on the aircraft and none of them would have been qualified to operate it - there were only 7 pilots in the RAF qualified on that type and 3 of them were onboard as crew. The navigation suite fitted on that aircraft was used in only a dozen or so RAF aircraft -none of which carried Navigators.
There is NO evidence which gives even the slightest credence to your theory.