The FAA order generally authorizing reduced thrust (late 70's - I cannot recall its number just now) specifically stated that the crew could advance the good engine(s) to rated thrust at any point in the takeoff without adverse effect. Flight test was required, I believe, to certify this characteristic.
It would be hard for me to accept that FAA backed down from this rule. The current rule is Order 8000.39, but I'm unable to find a complete copy online.
Last edited by barit1; 18th September 2005 at 01:17.