What is an SFAR? Known as the "Robinson SFAR," Special Federal Aviation Regulation 73 took effect in 1995 to address safety concerns about the operation of those aircraft by inexperienced pilots. It imposes training requirements beyond the general ones stipulated in FAR Part 61. SFAR 73 has been credited with eliminating accidents and improving the safety records of both aircraft.
The rule requires special awareness training covering energy management, mast bumping, low rotor rpm/blade stall, low-g hazards and rotor rpm decay.
SFAR 73 or Special Federal Aviation Regulation 73 deals with the special training and experience requirements for anyone operating a Robinson R22 or R44 helicopter. The Awareness Training is just part of that regulation.
SFAR 73 regulation