>The smoke is particle system based and thus uses a slightly different
>mechanism -- is the smoke really still reversed?  The steam off the
>catapult on the Vinson is correct.  Wind heading is typically the direction
>the wind is coming from, not the direction it is blowing to.>

Tested with release 2.6.0 at KSFO. Wind from 90 with 30kn.
Fly direction San Fransisco. Behind the arena are a few chimneys.
The smoke drifts to the bay! Use the dragonfly. You can fly with no groundspeed besides the chimneys and watch the weird scenario! 

Best Regards