I've had severe turbulence but the force tends to be in all directions, not really forward impact. I don't see how anything could allow a child to "shoot out" from the parent. Attached in any way risks crushing, which is why the Baby B'Air is banned on take-off and landing. They hint in their advertising that approval is pending but this is misleading. It will never be...
I was able to easily breastfeed in the sling, which was great since it doubled as a cover-up. We also logged a lot of miles while they were young but with only a couple of exceptions, my children had their own seats.