Paul Repacholi wrote:

Concorde, when it was acelaring through transonic speeds had to do a
large fuel xfer to the aft tanks to conpensate for the strong nose
down trim shift.

It was rumoured to be certified

Surprisingly... but I'm confident that, had the soaring price of oil in
the 70's not succeeded in killing commercially this beautiful bird, the
FAA would not have been so kind to let it fly over the USA with such a
dangerous feature ;-)

--
Denis

R. Parce que ça rompt le cours normal de la conversation !!!
Q. Pourquoi ne faut-il pas répondre au-dessus de la question ?