Originally Posted by
chevvron
Sure it's not a Grasshopper?
If Wikipedia is to be believed,
"the [Slingsby T.3 Primary] type became known as the Dagling, a name formed by combining Dagnall and Zögling, which later became used informally to cover all types of primary gliders in the UK"
so a Grasshopper was also, colloquially speaking, a "Dagling".