Aircraft Maintenance

  Drag Drag is the force that resists the movement of an aircraft through the air.   There are two basic types: parasite drag and induced dr...

  Wingtip Vortices   Formation of Vortices The action of the airfoil that gives an aircraft lift also causes induced drag. When an airfoil i...

  Magneto-Ignition Timing Devices Built-In Engine Timing Reference Marks Most reciprocating engines have timing reference marks built into...

 Crankcase Sections The foundation of an engine is the crankcase. It contains the bearings and bearing supports in which the crankshaft revo...

  Spark plug gap erosion The spark carries with it a portion of the electrode, part of which is deposited on the other electrode. The remain...

The Powerplant The powerplant usually includes both the engine and the propeller. The primary function of the engine is to provide the power...

  Landing Gear The landing gear is the principal support of the airplane when parked or cpz , taxiing, taking off, or landing. The most comm...

  Internal Muffler Failures Internal failures (baffles, diffusers, etc.) can cause partial or complete engine power loss by restricting the ...

Compressor Inlet Screens   To prevent the engine from readily ingesting any items that can be drawn in the intake, a compressor inlet screen...

Engine Fuel System Components Main Fuel Pumps (Engine Driven) Main fuel pumps deliver a continuous supply of fuel at the proper pressure a...

  FABRICATION OF STRUCTURAL COMPONENTS The introduction of all-metal, stressed skin aircraft resulted in methods and types of fabrication wh...

  How significant is a simple aircraft equipment/computer reset?   Why reset has become a part of certain AMM (Aircraft Maintenance Manual) ...

What is a PDA or TOFA A PDA (Parts Departing from Aircraft), also called TFOA ( Things Falling-Off Aircraft ) is any piece of equipment fall...

  damage on New generation Composite aircrafts Though composite structure aircraft brings many advantages to airlines, maintenance of them c...

Radial Engines The radial engine consists of a row, or rows, of cylinders, arranged radially about a central crankcase. This type of engine ...

  Valve Construction The valves in the cylinders of an aircraft engine are subjected to high temperatures, corrosion, and operating stresses...

Turbofan Engine Inlet Sections High-bypass turbofan engines are usually constructed with the fan at the forward end of the compressor. A typ...

Mounts for Turbofan Engines The engine mounts on most turbofan engines perform the same basic functions of supporting the engine and transmi...

Torque Reaction Torque reaction involves Newton’s Third Law of Physics— for every action, there is an equal and opposite reaction.   As appl...