IANAL, but I think any manuever required to pass a certificate could
defensibly be called "necessary for normal flight" so practicing
chandelles etc. (required for Commercial) would be OK by 91.303. Can
anyone (CFIs?) confirm or deny this?

Regards -- Peter
--
Peter H. Schmidt Lifting Mind Inc.
_/ Speaking \_ 2 Ewell Avenue
www.liftingmind.com \ for myself / Lexington, MA 02421
fax: 781 863-8858 tel: 781 863-5200