The FAA on Tuesday published a highly anticipated special federal aviation regulation (SFAR) that charts the flight plan for a new generation of aircraft.At the National Business Aviation Administration-Business Aviation Convention and Exhibition (NBAA-BACE) in Las Vegas, FAA Administrator Mike Whitaker signed the SFAR, which contains initial operational rules and pilot training requirements for powered-lift aircraft and will remain in effect for 10 years.“It’s here today,” Whitaker told NBAA-BACE attendees Tuesday morning. “It is now a final rule.”The FAA called the SFAR the “final piece in the puzzle” for introducing powered-lift aircraft, which could begin flying passengers, cargo, and even ambulance services in rural and urban areas as soon as next year.The category is a relatively new, special class of aircraft covering designs that take off vertically like a helicopter but cruise on fixed wings like an airplane. To be considered powered-lift, the aircraft must generate lift prima...