So to reiterate for Erik's benefit, who
never left a forwarding mail address and to clarify the point of acrobatic limitations for the A-26 Invader.
Firstly, the A-26 in the two photos
below was not flown by Bullock, thanks Erik....
But to reiterate on my earlier comment........
Handbook for Army Models A-26B and A-26C airplanes.
Section II, NORMAL OPERATING INSTRUCTIONS
a. MANEUVERS PROHIBITED.
(4) Inverted Flight
Acrobatics are stictly prohibited.
1A-26A-1 (Formerly T.O. 1B-26K-1)
Section 5, Operating Limitations
or acrobatic maneuver are prohibited.