PA.X.A.K3
KnowledgeHow to identify, verify, feather, and secure an inoperative engine.
From the FAA library
- Chapter 2: Aeronautical Decision-Making › TEAM Checklist: Choose and Implement Risk Controls › The DECIDE Model
First, adjust the power to the maximum controllable level on both engines. Because the left engine is the only engine delivering thrust, the yaw increases to the right, which necessitates application of additional left rudder application. Figure ... worldwide. Its application is illustrated in column A while automatic/naturalistic decision-making is shown in column B. The failed engine is the side that requires no rudder pressure, in this case the right engine. Second, having identified the failed right…
- Chapter 13: Transition to Multiengine Airplanes › Low Altitude Engine Failure Scenarios › Checklist
overrun available to land on. The use of wing flaps for takeoff virtually eliminates the likelihood of a single-engine climb until the flaps are retracted. There are two time-tested memory aids the pilot may find useful in dealing ... with engine-out scenarios. The first, “dead foot—dead engine” is used to assist in identifying the failed engine. Depending on the failure mode, the pilot will not be able to consistently identify the failed engine in a timely manner…
- Chapter 13: Transition to Multiengine Airplanes › Engine Inoperative Flight Principles › Derivation of VMC
critical engine is the engine whose failure had the most adverse effect on directional control. On twins with each engine rotating in conventional, clockwise rotation as viewed from the pilot's seat, the critical engine will be the left engine ... Multiengine airplanes are subject to P-factor just as single-engine airplanes are. The descending propeller blade of each engine will produce greater thrust than the ascending blade when the airplane is operated under power and at positive angles…
- Chapter 15: Transition to Turbopropeller-Powered Airplanes › Turboprop Engine Types › Split-Shaft/Free Turbine Engine
Split-Shaft/Free Turbine Engine In a free power-turbine engine, such as the Pratt & Whitney PT-6 engine, the propeller is driven by a separate turbine through reduction gearing. The propeller is not on the same shaft ... basic engine turbine and compressor. [Figure 15-5] Unlike the fixed-shaft engine, in the split-shaft engine the propeller can be feathered in flight or on the ground with the basic engine still running. The free power-turbine design…
- Chapter 7: Aircraft Systems › Reciprocating Engines
These two engine designs can be further classified as: 1. Cylinder arrangement with respect to the crankshaft— radial, in-line, v-type, or opposed 2. Operating cycle—two or four 3. Method of cooling—liquid or air Radial engines were ... widely used during World War II and many are still in service today. With these engines, a row or rows of cylinders are arranged in a circular pattern around the crankcase. The main advantage of a radial engine…
- Chapter 7: Aircraft Systems › Turbine Engines › Turboshaft
Turboshaft The fourth common type of jet engine is the turboshaft. [Figure 7-26] It delivers power to a shaft that drives something other than a propeller. The biggest difference between a turbojet and turboshaft engine is that ... turboshaft engine, most of the energy produced by the expanding gases is used to drive a turbine rather than produce thrust. Many helicopters use a turboshaft gas turbine engine. In addition, turboshaft engines are widely used as auxiliary power units…