Transcription of MULTIENGINE FLIGHT GENERAL - FAASafety.gov
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MULTIENGINE FLIGHTThis chapter is devoted to the factors associated withthe operation of small MULTIENGINE airplanes. For thepurpose of this handbook, a small MULTIENGINE air-plane is a reciprocating or turbopropeller-poweredairplane with a maximum certificated takeoff weightof 12,500 pounds or less. This discussion assumes aconventional design with two engines one mountedon each wing. Reciprocating engines are assumedunless otherwise noted. The term light-twin, although not formally defined in the regulations, isused herein as a small MULTIENGINE airplane with amaximum certificated takeoff weight of 6,000 poundsor are several unique characteristics of multiengineairplanes that make them worthy of a separate class rat-ing.
site drag with propeller blade angle. [Figure 12-3] When the propeller blade angle is in the feathered position, the change in parasite drag is at a minimum and, in the case of a typical multiengine airplane, the added parasite drag from a single feathered propeller is a relatively small contribution to the airplane total drag.
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