Originally Posted by
double_barrel
I've often wondered why aircraft cannot determine their own actual mass while on the ground. A simple load cell in the undercarriage does not seem like rocket science compared to all the other sensors onboard.
We've had them since the early 1970s.
https://patents.google.com/patent/US3701279A/en
STAN was a gross error check on taxi out. If there was a significant error, then we had to return to stand and investigate.