The Rolls Royce engines phone home periodically so I dont know if its actually Boeing performance data. https://en.wikipedia.org/wiki/Malaysia_Airlines_Flight_

The Rolls Royce engines phone home periodically so I dont know if its actually Boeing performance data. https://en.wikipedia.org/wiki/Malaysia_Airlines_Flight_370#:~:text=Flight%20370%20was%20operated%20with%20a%20Boeing%20777-2H6ER%2C,configured%20to%20carry%20282%20passengers%20in%20total%20capacity https://en.wikipedia.org/wiki/Malaysia_Airlines_Flight_370#:.... Just saying because when this disappearance happened, no one was even looking at the Rolls Royce engine data at the time, until someone mentioned it then it was looked at. The data/knowledge on the RR engines phoning home was given out on this BBC program. https://www.bbc.co.uk/programmes/b00t0yx9 https://www.bbc.co.uk/programmes/b00t0yx9