411A 
Amen to that, he is IMHO an unsung hero.
And it wasn't just for Transport types either, there were a number of aircraft he either refused point blank or demanded things like an active or no go Stability Augmentation System.
One famous example ultimately revealed outright dudding of flight test data, which captured a fairly high profile person.
I have been saying for years that his book should be a primer and examinable part of the ATP syllabus at least and probably the CPL as well if only as an insight into the basics of the certification process. I dont believe you can really understand what the performance regs applied on a daily basis are requiring without it.