Transition to Complex Airplanes

A high-performance airplane is defined as an airplane with an engine capable of developing more than 200 horsepower. A complex airplane means an airplane that has a retractable landing gear, flaps, and a controllable pitch propeller, including airplanes equipped with an engine control system consisting of a digital computer and associated accessories for controlling the … Read more

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Transition Training to Complex Airplanes

Transition to a complex airplane or a high-performance airplane should be accomplished through a structured course of training administered by a competent and qualified flight instructor. The training should be accomplished in accordance with a ground and flight training syllabus. [Figure] This sample syllabus for transition training is an example. The arrangement of the subject … Read more

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Airplane Retractable Landing Gear Systems and Operation

The primary benefits of being able to retract the landing gear are increased climb performance and higher cruise airspeeds due to a decrease in drag after gear retraction. Retractable landing gear systems may be operated either hydraulically or electrically or may employ a combination of the two systems. Warning indicators are provided in the flight … Read more

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Airplane Controllable-Pitch Propellers

Fixed-pitch propellers are designed for best efficiency at one particular revolutions per minute (rpm) setting and one airspeed. A fixed-pitch propeller provides suitable performance in a narrow range of airspeeds. However, fixed-pitch efficiency suffers considerably when operating outside of this range. To provide improved propeller efficiency through a wide range of operation, the propeller blade … Read more

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Airplane Flap Function, Effectiveness, and Operation

Airplanes can be designed to fly through a wide range of airspeeds. High speed flight requires smaller wing areas and moderately cambered airfoils whereas low speed flight is obtained with airfoils with a greater camber and larger wing area. [Figure 1] Many compromises are often made by designers to provide for higher speed cruise flight … Read more