On Friday, October 19, 2018 at 11:56:39 AM UTC-4, Charlie M. (UH & 002 owner/pilot) wrote:
I just searched on FAA.gov, last AD was early 2017 for gliders with hand controls.

https://www.faa.gov/regulations_poli...arch/?q=Ask-21

Nothing showing on AS web site in news or AD/TN section about ASK-21 grounding.
Maybe GI should elaborate.
UH