There is one exception to the FR for all categories: SFAR 73
(1) No person may act as pilot in command of a Robinson model R–22
unless that person:

(i) Has had at least 200 flight hours in helicopters, at least 50
flight hours of which were in the Robinson R–22; or

(ii) Has had at least 10 hours dual instruction in the Robinson R–22
and has received an endorsement from a certified flight instructor
authorized under paragraph (b)(5) of this section that the individual
has been given the training required by this paragraph and is
proficient to act as pilot in command of an R–22. Beginning 12
calendar months after the date of the endorsement, the individual may
not act as pilot in command unless the individual has completed a
flight review in an R–22 within the preceding 12 calendar months and
obtained an endorsement for that flight review. The dual instruction
must include at least the following abnormal and emergency procedures
flight training: