Stanford Korwin wrote:

Except, perhaps, the ASI - so as not to confuse 50
kph with 50 knots in the heat of the moment !

This has, I am told, happened - with unfortunate consequences.

I have imported a glider from Germany (to the UK) -

If the glider was certificated in Germany, then I suspect it has a green
arc, a yellow arc, a red line and, most helpful, a yellow triangle.

Stefan