You need to enrol on an ATPL(H) or CPL(H) course if you wish to fly helicopters commercially; you can't sit ATPL(A) instead.
Wrong.
I sat the ATPL(A) exams and then did the rest of the stuff with the company. I wasn't too sure if I wanted to transfer to planks, (I know,
quelle dikhed !
), the ATPL(A) theory exams count for both as they're a sight more complex!
(It also means that I can carry out and sign for a compass swing!)