NoVANav
The RJs have been flying since the 70s. They have all gone through numerous modifications at Greenville. They have ALL gone through extensive flight systems testing at Greenville. They have ALL gone through extensive backend equipment upgrades and certifications. And, the RAF RJs are just the same as the USAF RJs.
Funny, you could have said something like that about XV230, (replace Greenville with BAE) however it didn't make it airworthy..
You still refuse to give any definitive information about Boeing model numbers, block numbers , type design designation for the US and UK RJs? If they are all the same then surely it should be simple to back up your assertion?
SS