In article ,
Chris OCallaghan wrote:
"I know of one instructor who was asked to start to spin a Puchacz at
800
feet above the ground as part of his annual instructor check.

Presumably this was over the radio, and nobody liked him anyway?
I read some of these altitudes folks are doing this stuff, and
I put my head in my hands...

When I did aerobatics, it was always 5000ft floor (expected termination
of the manuever) if you had chutes, 3000 feet floor if no chutes.