"Seriously ? Glide back after an engine failure ??? At 50 feet ??"
Back to the surface, with enough speed to round out and land
As opposed to damaging stall or nose strike.
Was the Tiger Moth demonstrated as safe to stall in from higher than that, as a sales promo by Geoffrey de Haviland?
The reason not to climb steeply at the start of glider winch launches, especially with the knotted wire we used 60 years ago.