Originally Posted by
philbky
There's some pretty solid evidence then. "He recounts a jump seat trip he made to Oslo during the last month of BA Trident operations (December 1985), where the boost engine was used not just on the return leg (where it was essential in the Norwegian winter) but also on takeoff at LHR to confirm its serviceability" could be taken as confirming the irregular use of the engine. I just wonder if the flight would have been pulled had the RB162 decided not to co-operate.
Yes, he quotes the station engineer at OSL as saying that if it had arrived there on that occasion with a u/s boost engine it wouldn't have been able to depart.
I was simply quoting that extract as evidence that the T3 boost engine was being used, as and when required, right up to the end of BA Trident operations, which I think we're now agreed on.