Originally Posted by
double_barrel
What am I missing here? These guys called V1 and V2 on the take-off run. Similarly with the infamous Brisbane take-off with pitot covers on.
How is this possible? Can the tape or covers on the pitots stretch enough to compress the air in the pitot to give accurate and consistent speed readings at ground level? That seems very unlikely.
Well, it should be pointed out again, that the speculation that pitot tube covers might have been left on in the current accident is just that, purely speculative. It hasn't been ruled out, but there's no reason to suggest this was the problem. So, given that, it is entirely possible that in the current accident, the airspeed indication was normal during the takeoff run, and the airspeed unreliability occurred later. It should also be pointed out that we don't know that they called V1 and V2. The CVR has not yet been recovered.