The high teens and low twenties are popular altitudes to fly but come with their own challenges. It's just enough different that you may need this refresher. Flying a Baron 58P at Flight Level 250 some time ago, it occurred to me that there is no federal requirement for training in this pressurized, turbocharged twin beyond the Multiengine-Instrument ticket I earned years before in a 150-hp Piper Apache. Later, in unpressurized, turbo-charged airplanes I was regularly flying at 20,000 feet using supplemental oxygen, and giving the only checkout new owners of similar airplanes would likely get in flight "up there."
展开▼
