SACAA ATPL(H) Aircraft Technical & General Practice Questions - SACAA Airline Transport Pilot Licence (Helicopter) Aircraft Technical & General Knowledge Examination Exam

Higher compressor pressure ratios with improved stall margins and better acceleration response across operating altitudes Direct mechanical drive of the tail rotor from the low-pressure spool without needing a combining gearbox Elimination of the need for an oil lubrication system on the high-pressure spool bearings Ability to run the compressor in reverse direction during autorotation to generate zero drag