AMC1 SPA.HEMS.130(f)(2)(ii)(B) Crew requirements    

CAA ORS9 Decision No. 1

LINE CHECKS

Where due to the size, the configuration, or the performance of the helicopter, the line check cannot be conducted on an operational flight, it may be conducted on a specially arranged representative flight. This flight may be immediately adjacent to, but not simultaneous with, one of the biannual proficiency checks.