What I mean by "to proficiency" is that you only need to fly enough for your instructor to sign you off for the checkride. This may take a few hours or a couple of dozen depending on how you progress. This is different from the formal hours requirement (hours spent in instrument or simulated instrument conditions for example) that you would have if you weren't converting. The formal hour requirement is waived since you already have a foreign license.
NOTE: I checked and EASA is 13 exams for CPL plus 7 exams for IR
. I am not sure if they overlap but I think so. A breakdown of the exams with questions and times can be found here: http://www.atpforum.eu/attachment.ph...ttachmentid=374&stc=1&d=1328471239
Be wary of the workload for the exams. I haven't sat the CPL or IR
ones, just the ATPL ones (which count for CPL and IR
), so I can't tell you exactly how much work they entail. I do know the CPL ones are less demanding, but for comparison it took me 7 months of full time study (4-8 hours per day, 5-6 days a week) to get through the ATPL syllabus and sit the exams. This is considered slightly faster than average. Anyone here who has sat the EASA CPL exams can perhaps expand.
You may also be required to do mandatory ground school before the exams. For comparison, the ATPL groundschool requirement is about 4 weeks unless you're exempt due to flying experience (unless you have lots of multi-pilot time you are not exempt).
I suggest that you contact someplace like Bristol Groundschool and ask them your questions. They'll know exactly. http://www.bristol.gs/.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo