I have recently gone down the rabbit hole on Mooney speed mods, but I’ve come to a dead end.
Does anyone know what happened to the partnership between AGL Aviation and GDS Aero to produce a cowling STC for older Mooney models? I can find forum posts from 2018-2019 discussing how close they were to manufacturing the cowlings, but then nothing. I can only assume the venture didn’t pan out, but does anyone know why?

![USS Hancock (CVA-19) undergoing replenishment by USS Poncatoula (AO-148) off the Vietnamese coast, 1968. [1893x1508 pixels]](https://i.redd.it/bfuhm7ryz7131.jpg)