FAA Complex Aircraft Endorsement A complex airplane is defined by 14 CFR 61.31(e) as an airplane that has:
Retractable landing gear
Controllable pitch propeller
Ground and Flight Training is required to obtain a Complex Aircraft Endorsement.
FAA High Performance Endorsement A High Performance Endorsement is needed to operate an aircraft with an engine of more than (exceeding) 200 horsepower. 14 CFR 61.31(f)
Ground and Flight Training is required to obtain a High Performance Endorsement.
For Multi Engine Aircraft, each engine (not all engines combined) must exceed 200 horsepower.
FAA High Altitude Endorsement The FAA requires a High Altitude Endorsement to act as pilot in command of pressurized airplane with a service ceiling or maximum operating altitude above 25,000 feet MSL. 14 CFR 61.31(g)
Ground and Flight Training is required prior to receiving a high-altitude endorsement.
High altitude aerodynamics;
Hypoxia, hyper-ventilation, supplemental oxygen;
Specific pre-flight checks;
Use of pressurization;
Simulated pressurization failure, use of oxygen, emergency descent.