On Monday, January 23, 2017 at 8:58:52 PM UTC-7, Jonathan St. Cloud wrote:
A while ago several people remarked that Schleicher gliders offer a strobe was an option.

Below is an URL to a youtube video of such strobe. Typically the strobe is coupled with an unit from LxNav that allow the strobe to be on, only flash with Flarm warning, or off.

https://www.youtube.com/watch?v=XMdGXX11Bs4

Appreciate all the discussion - thanks to all who have contributed.