Originally Posted by
Spoilers
Can anyone tell me if it's true that we cannot use the 'Turbulence' button in RVSM airspace? I called BS on my CA and used it anyway. Where is this suppose to say that? Something about it wont hold altitude?!
You just have to be cautious about using the TURB mode because you may overshoot your altitude with this mode engaged. This captain of yours may have been a bit overly cautious, but there is no limitation restricting its use in RVSM airspace.