http://www.heraldnet.com/stories/06/06/ ... iss001.cfm
According to the Wall Street Journal, the FAA finally agrees - sort of. The Journal reported Monday that the FAA is likely to extend the limit to 330 minutes - that's 5 1/2 hours.
Boeing did flight tests showing that 330 minutes is feasible during the certification trials for the 777-300ER in 2003-04. The test pilots simply shut down an engine and flew the test planes on one for five or more hours at a time.
