Until someone comes up with a more appropriate flight manual;
The B3 manual does not have the restriction that the B3 2B1 does. A more appropriate manual would be the B3 manual.
Surely the
most appropriate would be the B3e.
Someone here must have access to one!
And while you're searching, is there a more up to date version of;
http://www.faa.gov/regulations_polic...cumentID/23152