Ed Mulroy wrote:
What is the regulation that requires "hundreds of hours flying" to obtain
an instrument rating?


at least 250 hours
Federal Air Regulation 61.129 a (single engine) and b (multi engine)
http://tinyurl.com/yk44ov
or, in its long form
http://ecfr.gpoaccess.gov/cgi/t/text.... 1.1.2.6.1.2



That is the section for a commercial certificate. The instrument rating
requirements are in 61.65. So where is the requirement for "hundreds of
flying hours" to obtain an instrument rating?

Matt