CIVILIAN RECOMMENDATION LETTER Your letter should show your experience on what type of aircraft you worked on and what procedures you performed as a mechanic helper. Remember, you cannot have performed a 100 hour or annual inspection, you may have assisted. Below are the test sections and subjects your experience should include a majority of these areas. I. GENERAL - AIRFRAME AND POWERPLANT A. Basic Electricity B. Aircraft Drawings C. Weight and Balance D. Fluid Lines and Fittings E. Materials and Processes F. Ground Operation and Servicing G. Cleaning and Corrosion Control H. Mathematics I. Maintenance Forms and Records J. Basic Physics K. Maintenance Publications L. Mechanic Privileges and Limitations II. AIRFRAME STRUCTURES A. Wood Structures B. Aircraft Covering C. Aircraft Finishes D. Sheet Metal Structures E. Welding F. Assembly and Rigging G. Airframe Inspection III. AIRFRAME SYSTEMS AND COMPONENTS A. Aircraft Landing Gear Systems B. Hydraulic and Pneumatic Power System C. Cabin Atmosphere Control Systems D. Aircraft Instrument Systems E. Communications and Navigation Systems F. Aircraft Fuel Systems G. Aircraft Electrical Systems H. Position and Warning Systems I. Ice and Rain Control Systems J. Fire Protection Systems IV. POWERPLANT THEORY AND MAINTENANCE A. Reciprocating Engines B. Turbine Engines C. Engine Inspection V. POWERPLANT SYSTEMS AND COMPONENTS A. Engine Instrument Systems B. Engine Fire Protection Systems C. Engine Electrical Systems D. Lubrication Systems E. Ignition Systems F. Fuel Metering Systems G. Engine Fuel Systems H. Induction Systems I. Engine Cooling Systems J. Engine Exhaust Systems K. Propellors