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KEY WORDS 

AIRCRAFT DESIGN, AIRCRAFT MANAGEMENT, AIRCRAFT SALES , AIRCRAFT IMAGES , DWG FILES CATIA FILES , UNIGRAPHIGS FILES PRO ENGINEERING, PRO MECHANIC, SOLID WORK FILES  CAD COMPUTER AID DESIGN CAE COMPUTER AID ENGINEERING  FEM FINITE ELEMENT METHOD  FEA FINITE ELEMENT ANALYSIS AERODYNAMICS  SUBSONIC SUPERSONIC TRANSONIC ODE ORDINAL DIFFERENTIAL EQUATION PDE  PARTIAL DIFFERENTIAL EQUATION CFD COMPUTATIONAL FLUID DYNAMIC  AIRCRAFT GEOMETRY  AIRFRAME SPAR WING, SPAR FLANGES, RIB, SKIN, SPAR WEB, SHEAR WEB , L0NGITUDINAL STIFFENER,  STRUCTURAL ARRANGEMENT FOR WING,  STIFFENERS, TRANSVERSE FRAMES, AIRCRAFT NOSE, CENTRAL FUSELAGE, REAR FUSELAGE, VERTICAL TAIL, RUDDER, FLAP , AILERON ,  MAIN PLANE O CENTRAL SECTION OUTER WING TIP, HORIZONTAL TAIL TIP ELEVATOR  FUSELAGE ELEVATOR, AILERON FLAP, WINGLET COCKPIT , RIB FLANGE RIVETED TO SKIN , LIGHTNESS HOLES, RIB STIFFENERS, CUT OUTS FOR STIFFENERS, WING SKIN aircraft DESIGN, aerobatics aircraft, aerodynamics prediction, aerofoil, afterburner, agricultural aircraft, aileron, airbrake, air conditioning, aircraft cost, acquisition cost , direct operating cost, indirect operating cost, aircraft project problems, aisle , aluminum, alloy angle of attack , aoa, approach speed, aspect ratio, mach, ate, atmospheric properties, auto gyro , autopilot , auxiliary power unit available seat miles , avionics system bite , bleed air , bomb. braced wing , brake , breguet range , business aircraft , bypass engine , cad, camber canard , fore plane , kit plane, home build rc modeler , carbon fiber, cargo, ceiling ,center of gravity center of pressure chord civil aircraft civil cargo aircraft climb, cockpit communication system commuter aircraft, composite , conceptual design container , control linkage , control surface, conversion table , cooling , corrosion  canfield aircraft design projects , aerobatic aircraft , short range jet transport aircraft , fortunato sicuro aeronautical aerospace engineer , short range transport  aircraft , stol airliner , short haul 500 seat airliner , executive jet aircraft, supersonic naval v stol fighter , close air support strike aircraft astovl , cruise performance , decision making process deep stall , defect delay rate , delta plan form , design cruising speed , directional control, door, double bubble fuselage , drag coefficient , drag polar , wing box, wing position, wing loading , wing gross area , wing design , wing geometry , wing design, wide body aircraft , weapon , weapon bay v stol aircraft , undercarriage , tire , twist twin fuselage, turboprop engine, turbojet engine, turbofan engine, t tail , trim tab , trailing edge device, toilet lavatory , titanium , tilt rotor aircraft thrust weight ratio thickness chord ratio test equipment , take off distance, tail plane aileron, sweep wing sweepback wing sweep, survivability , supercritical airfoil , strut , stringer , stall, stealth , stability and control, spoiler , fin , specification, span , sonic boom, short range aircraft secondary power system seat range capability  s tovl, runway rudder rotorcraft roll, rocket , requirement , reliability , relaxed static stability regional aircraft, reconnaissance aircraft , range, radar system, radar cross section, pylon , propulsive efficiency, propulsion, propeller driven aircraft , pressurization, pressure cabin preliminary design, power plant , plastic pitching moment pitch up , payload, payload range diagram , passenger aircraft, parametric design, oxygen systems, nose gear , nomenclature, navigation , noise naval fighter narrow-body aircraft , mission radius missile, missile approach, military trainer aircraft, aircraft type , cargo aircraft , micro light aircraft mass balancing mass estimate marker survey maneuver, maneuverability , maintenance, maintainability main gear , magnesium alloy, mach number , mach drag, long range aircraft longitudinal stability and control load carry structure , load factor , light aircraft, lift to drag ratio lift curve slope   lift coefficient leading edge device landing gear , layout , retraction, landing distance , laminar flow, jar, jet driven aircraft , interior design , intake , insurance , incidence angle , ice protection system , hydraulic system, horizontal stabilizer gust load alleviation, gun , ground attack aircraft, gross weight, global position system by satellite , geometric wing chord , galley, fuselage cross section drag, ecm , economy ejector seat, electric power system, elevator, emergency exit , empirical database, engine failure , engine location, fuselage buried , wing mounted environmental control system, exhaust , fault tree analysis , feeder liner , field performance, interceptor aircraft, flight control system , flutter , forward sweep wing, , fuel consumption , furnishing, freighter  AIRCRAFT STRUCTURE BASIC  ELASTICITY , STRESS, FORCE AND STRESS,  EQUATION OF EQUILIBRIUM, PLANE STRESS, BOUNDARY CONDITION, STRESS TRANSFORMATIONS, PRINCIPAL STRESS, MOHR'S CIRCLE OF STRESS, STRAIN, COMPATIBILITY EQUATIONS, PLANE STRAIN,  STRAIN TRANSFORMATIONS PRINCIPAL STRAINS MOHR'S CIRCLE  OF STRAIN STRESS-STRAIN RELATIONSHIPS EXPERIMENTAL MEASUREMENT OF SURFACE STRAINS, TWO-DIMENSIONAL PROBLEMS IN ELASTICITY, STRESS FUNCTIONS, St VENANT'S PRINCIPLE, DISPLACEMENTS BENDING OF AN END LOADED CANTILEVER , TORSION OF SOLID SECTIONS, PRANDT STRESS FUNCTION SOLUTION, ST. VENAT WARPING FUNCTION SOLUTION THE MEMBRANE ANALOGY TORSION OF A NARROW RECTANGULAR STRIP, ENERGY METHODS OF STRUCTURAL ANALYSIS STRAIN ENERGY AND COMPLEMENTARY ENERGY, TOTAL POTENTIAL ENERGY, PRINCIPAL OF VIRTUAL WORK. THE PRINCIPLE OF THE STATIONARY VALUE OF THE TOTAL POTENTIAL ENERGY, THE PRINCIPLE OF STATIONARY VALUE OF THE TOTAL COMPLEMENTARY ENERGY , APPLICATION TO DEFLECTION PROBLEMS APPLICATION TO THE SOLUTION OF STATICALLY INDETERMINATE SYSTEMS, UNIT LOAD METHOD, PRINCIPLE OF SUPERPOSITION THE RECIPROCAL THEOREM TEMPERATURE EFFECTS, BENDING OF THIN PLATES PURE BENDING OF THIN PLATES, PLATES SUBJECT TO BENDING AND TWISTING, PLATE SUBJECT TO A DISTRIBUTE TRANSVERSE LOAD, COMBINED BENDING AND IN-PLATE LOADING OF A THIN RECTANGULAR PLATE, BENDING OF THIN PLATES HAVING A SMALL INITIAL CURVATURE, ENERGY METHOD FOR THE BENDING OF THIN PLATES ,  STRUCTURAL INSTABILITY, EULER BUCKLING OF COLUMNS, INELASTIC BUCKLING, EFFECT OF INITIAL IMPERFECTIONS, STABILITY OF BEAMS UNDER TRANSVERSE AND AXIAL LOADS, ENERGY METHOD FOR THE CALCULATION OF BUCKLING LOADS IN COLUMNS,  BUCKLING OF THIN PLATES INELASTIC BUCKLING OF PLATES EXPERIMENTAL DETERMINATION OF CRITICAL LOAD FOR A FLAT PLATE LOCAL INSTABILITY, INSTABILITY OF STIFFENED PANELS FAILURE STRESS IN PLATES AND STIFFENED PANELS TORSION INSTABILITY OF THIN WALLED COLUMNS TENSION FIELD BEAMS, ANALYSIS OF AIRCRAFT STRUCTURES , PRINCIPLES OF STRESSED SKIN CONSTRUCTION, LOADS ON STRUCTURAL COMPONENTS, FUNCTION OF STRUCTURAL COMPONENTS FABRICATION OF STRUCTURAL COMPONENTS , STRUCTURAL IDEALIZATION, BENDING , SHEAR AND TORSION OF OPEN AND CLOSED THIN WALLED TUBES , GENERAL ENGINEER'S THEORY OF BENDING FOR OPEN AND CLOSED TUBES, GENERAL STRESS, STRAIN AND DISPLACEMENT RELATIONSHIPS FOR OPEN AND SINGLE CELL CLOSED TUBES, SHEAR OF OPEN TUBES SHEAR OF CLOSED TUBES, TORSION OF CLOSED TUBES, TORSION OF OPEN TUBES EFFECT OF BOOMS ON THE ANALYSIS OF OPEN AND CLOSED TUBES, DEFLECTION OF OPEN AND CLOSED TUBES , MULTICELL TUBES, BENDING , TORSION, SHEAR, VARIATION OF SHEAR MODULUS, SHEAR CENTER AND FLEXURAL AXIS, EFFECTS OF TAPER , DEFLECTION OF MULTI CELL TUBES, LIMITATION OF THE ANALYSIS , AXIAL CONSTRAINT,  SHEAR STRESS DISTRIBUTION AT BUILT IN END, AXIAL CONSTRAINT STRESSES IN A DOUBLY SYMMETRICAL SINGLE CELL, FOUR BOOM TUBE TORSION, SHEAR DIFFUSION, AXIAL CONSTRAINT STRESSES IN A DOUBLY SYMMETRICAL, SINGLE CELL, SIX BOOM TUBE SUBJECTED TO SHEAR, AXIAL CONSTRAINT STRESSES IN OPEN TUBES, MATRIX METHODS OF STRUCTURAL ANALYSIS, STIFFNESS MATRIX FOR AN ELASTIC SPRING, STIFFNESS MATRIX FOR TWO ELASTIC SPRINGS IN LINE, MATRIX ANALYSIS OF PIN JOINTED FRAMEWORKS APPLICATION TO STATICALLY INDETERMINATE FRAMEWORKS, MATRIX ANALYSIS OF SPACE FRAMES, STIFFNESS MATRIX FOR A UNIFORM BEAM, FINITE ELEMENT METHOD FOR CONTINUUM STRUCTURES , AIRWORTHINESS, FACTORY OF SAFETY, FLIGHT ENVELOPE, LOAD FACTOR DETERMINATION SYMMETRIC MAN OEUVRE LOADS, NORMAL ACCELERATIONS ASSOCIATED WITH VARIOUS TYPES OF MANEUVERS, GUST LOAD ELEMENTARY AEROELATICITY , LOAD DISTRIBUTION AND DIVERGENCE, CONTROL EFFECTIVENESS AND REVERSAL, STRUCTURAL VIBRATION , DYNAMIC AERO ELASTIC PHENOMENA AERO-ELASTICITY   FLUTTER COMPOSITE MATERIAL ,ELASTIC AXLE, ADHESIVES, BEAM THEORY, BENDING, CANTILEVER PANEL, PANELS IN LATTICE, BEAMS, SOLID AIRFOIL, BENCH, FORCES IN LATTICE, BLEEDER , SECONDARY BOND, EFFECT OF SHAPE, BUSHING & ATTACHMENTS, CANTILEVER PANEL, COMPOSITE AS TWO PHASE MATERIALS , ENVIRONMENTAL EFFECTS, CORE MATERIALS , FOAMS, HONEYCOMB, POLYSTYRENE, POLYURETHANE, PVC FOAM, ROHACELL, WOOD , CORNER FLOX, CUTTING FIBERS, DUCTILITY, WICKING, FABRICS, TOW, TRIAX, UNIDIRECTIONAL, FAILURE MODES, FATIGUE , IN COMPOSITE, IN METAL , FEMALE MOLDS , ADDING JOGGLES , LAYING UP, SPLASH MOLD , MAKING AN OPEN LAY-UP , MAKING JOGGLE OFFSETS , PERMANENT TOOLING , QUICK & EASY , VACUUM BAGGING , FILLERS , FLOX , MICRO , MILLED GLASS , FINISHING , DRY MICRO, DISPERSED , MICRO , PURE , REX TAYLòR , SMUDGE STICK , SURFACE , WARMING LAYER, SANDING FLUTTER, FLEXIBILITY IN DESIGN , HOT WIRE FOAM CUTTING, ATOMIC BONDS FRACTURE MECHANICS, BRITTLE FRACTURE, BUCKLING , CRACK STOPPING, GRIFFITH'S MODEL GLASS IN TWO PHASE MATERIALS PLASTIC FLOW GRIFFITH, HOLLOW STRUCTURES , LOCAL STIFFENING, SANDWICH SKIN WING, HOOK'S LAW , HOR WIRE CUTTING, SQUARING TOOL, PROCEDURE, HYBRID DEIGNS , JOINING, BONDING FOAM BLOCKS, PREPREG STRIPS, JOINING STRUCTURES, ADHESIVE JOINTS, BUSHING & ATTACHMENTS , COMPOSITE STRUCTURE, KIT MANUFACTURES METHODS, KNITTED FIBERS , TRIAX, DOUBLE BIAS, advanced composite aileron program , Lockheed, acoustic ultrasonic, advanced composite structure technology program , nasa, vertical fin, advance composites engineering, advance composite repair guide, aeritalia , aero elastic tailoring, aerolite, aero research, aero research laboratories , Melbourne, aerospatiale , Augusta spa, airbus industries, aircraft research association, airworthiness , aqap 24 , milq9858, ASSEMBLY GUIDANCE SYSTEMS, ATS SMOKE EMISSION REQUIREMENTS AUTOMATION AVCO CORPORATION, BAAKELAND, BACON, BAKELITE, BELL LCAV VEHICLE, BERP BRITISH EXPERIMENTAL ROTOR, BOEING AIRPLANE COMPANY , BRAKES , REPAIR, COMPUTER BASED ANALYSIS PROCEDURE , MC DONNELL DOUGLAS , BRISTOL CARBONDEK, BRISTOL COMPOSITE MATERIALS ENGINEERING LTD , BRITISH AEROSPACE PLC BRITISH AIRWAYS, BVID, BARELY VISIBLE IMPACT DAMAGE, CAA, CIVIL AVIATION AUTHORITY, CASA, CVD CHEMICAL VAPOR DEPOSITION, CHOPPED STRAND MAT, CIBA GEIGY PLASTIC, CNC CUTTING PROFILING MACHINE, composite automation engineering inc. composite transport wing development program, continuous strand mat, design technologies ltd, dowty rotor ltd, Dunlop ltd, eatf external applied thermal fiels , elsvier applied science publishers, emi rfi shielding, electro magnetic interface, engineering design authority , raf, federal aviation administration, advisor circular, composite aircraft structures fiberite Europe, filament winding, double headed machine, glass impregnation bath, linear non linear winding, plaster maturing twin-bed, polar winder, fisher, fod, foreign object damage, Formica, frequency analysis, galvanic corrosion, general electric corp. , ge, Gerber corporation, glass tracer, Griffith, hail damage, handle page victor constant speed  unit drive, helicopter rotor blades, berp, British experimental rotor programmer, Westland Augusta, lynx, sea king, holographic interferometer, holography, ultrasonic, hovercraft, institution of mechanical engineers impact damage infra red camera, jet probe scanning, lightning  strike and protection, Lufthansa, mechanical impedance testing, messerchmitt bolkow bloom , gmbh, Milan projectile launcher, mit Massachusetts institute of technology, mod, ministry of defernce, standard naca , national advisory committee for aeronautics, nasa national aeronautics and space administration, aircraft energy efficiency program, national engineering laboratory, nato, north Atlantic treaty organization, nbc, nuclear biological chemical, nol, naval ordinance laboratory, Phillips , Pratt & Whitney, prepeg cutting laser, reciprocating knife, router, ultrasonic knife, water jet, propeller blades de havilland hydromantic, Hamilton standard, six-blade, prop-fan propulsion, prop fan blades fatigue testing, flexural test rig, lightning strike test ring, prvt, production readiness verification testing, purslow, quality control, radiography, rae, royal aerospace establishment, technical reports ram, radar absorbent material rcs, radar cross section, redux bonding, resin injection molding, riley, rocket motor nozzles, rolls Royce engine, royal air force central serving development establishment, royal society, rule of mixtures service engineered modification, sgtf, stress generated thermal field, speckle photography, spectroscopy, stealth, structural testing, Swissair, tape laying machine, tape winding thermal damage, aging, thermograph, thermoplastic injection molding, tool rite, tornado engineering authority, transducer, air coupled dry coupled, ultrasonic attenuation, flaw detection, goniometry, holography, resonance, spectroscopy, velocity measurement, university of delft aerodynamic department, university of Leeds, loughborough, usaf, united state air force, u.s. marine corps, usn, united states navy uv ultra violet Westland aero structures ltd PERFORMANCE  TAKE OFF DISTANCE, LANDING DISTANCE , POWER LOADING, WING LOADING TURBINE ENGINE, AIRCRAFT ENGINE RECIPROCATING ENGINE,  AIRCRAFT ENGINE PERFORMANCE, COCKPIT CONTROLS, ENGINE INSTRUMENTS, STARTING, RUN UP, TAKEOFF AND CLIMB, CRUISE OPERATION , MIXTURE MANAGEMENT, DESCENT, APPROACH, & SHUTDOWN, EMERGENCIES, ENGINE NOMENCLATURE, SCREW, FILLISTER HEAD, WASHER, LOCK, PLAIN, COVER, VALVE ROCKER, GASKET, HEX HEAD, SHAFT, SCREW DRIVE, BUSHING, PUSH ROD, SPRING, HOUSING, PACKING, NUT, FLANGED, CYLINDER ASSEMBLY, O-RING, RETAINER, ROTOR COIL ASSEMBLY, EXHAUST VALVE, RETAINER, INTAKE VALVE, SPRING, OUTER, INNER, INTAKE VALVE GUIDE VALVE, INSERT SPARK PLUG, INTAKE FLANGE, PIN AND PLUG ASSEMBLY, PISTON, RING COMPRESSION, OIL CONTROL RINGER, SCRAPER, LIFTER ASSEMBLY, HYDRAULIC VALVE, RETAINING , LYCOMING, CONTINENTAL CRANKCASE, CRANKSHAFT, CRANKSHAFT DAMPERS, CONNECTING RODS, PISTON RINGS, CAMSHAFT, TAPPETS, VALVES, TURBOCHARGERS , STARTER ADAPTER, IGNITION SWITCH, BOOST PUMP, FUEL SELECTOR, MIXTURE CONTROL, THROTTLE, PRIMER, PROP PITCH, CARBURETOR HEAT, COWL FLAPS, TACHOMETER, MANIFOLD PRESSURE OIL PRESSURE, TEMPERATURE, CYLINDER HEAD TEMPERATURE, EXHAUST GAS TEMPERATURE, TURBINE INLET TEMPERATURE, COMPRESSOR DISCHARGE, , TANK GOVERNOR CONTROL LEVEL, POWER CHARTS, IAS, CHT,  A/F RATIO, AIR TO FUEL RATIO, AGL, ABOVE GROUND LEVEL, ANGLE VALVE HEAD , AUSTENITIC, AUTOMATIC CONTROLLER, BABBITT, BHP, BRAKE HORSEPOWER, BIFILAR PENDULUM DAMPER, BMP, BRAKE MEAN EFFECTIVE PRESSURE, BOOST, BOOST PUMP, BOOTSTRAPPING, BORE SCOPE, BORDEN TUBE, BOWDEN CABLE, BREATHER, BTC, BEFORE TOP CENTER , BTU, BRITISH THERMAL UNIT, BUTTERFLY VALVE, CAFE COMPETITION FOR AIRCRAFT FLYING EFFICIENCY, CHOKE, CHT , CYLINDER HEAD TEMPERATURE, COMPRESSION RATIO, CREEP, CRITICAL ALTITUDE, DECK PRESSURE, DETONATION, DISPLACEMENT, DYNAMIC COUNTERWEIGHTS, EGT, EXHAUST GAS TEMPERATURE, FLOAT CARBURETOR , FLOW DIVIDER, , FOUR STROKE CYCLE, FWF, FIREWALL FORWARD, GALLERY, OIL PASSAGEWAY IN CRANKCASE, HELI COIL, IAS, INDICATED AIRSPEED , INCONEL, INDUCTION SYSTEM INTAKE ANIFOLD , INTERCOOLER , MANIFOLD PRESSURE, MANIFOLD VALVE , MP , NIMONIC, NI REST , NITRALLOY NORMALLY ASPIRATED, NORMALIZE, NATIONAL TRANSPORTATION SAFETY BOARD, NTSB, OAT, OUTSIDE AIR TEMPERATURE, OTTO CYCLE, OVER BOOST, P LEAD , MAGNETO PRIMARY LEAD WIRE, PMA, PART MANUFACTURE APPROVAL, PREIGNITION, PRESSURE RATIO, PSI , POUND PER SQUARE INCH. , RANKINE, REID VAPOR PRESSURE , SAE, SOCIETY OF AUTOMOTIVE ENGINEERS  , SFC , SPECIFIC FUEL CONSUMPTION, STC, SUPPLEMENTAL TYPE CERTIFICATE , STOICHIOMETRIC , SUPERCHARGER, TBO, TIME BETWEEN OVERHAULS, THROTTLE BUTTERFLY, TIT, TURBINE INLET TEMPERATURE, TURBOCHARGER, UPPER DECK, VENTURI, VENIER, VOLUMETRIC EFFICIENCY A, AEROBATIC 8 INVERTED OIL SYSTEM, G, GEAR REDUCTION PROP DRIVE, H HELICOPTER MODEL, HORIZONTAL ORIENTATION, I, FUEL INJECTED, L, LEFT-HAND ENGINE ROTATION, O, OPPOSED CYLINDER CYLINDERS, S, SUPERCHARGED LYCOMING T, TURBOCHARGED, TS  TURBO SUPERCHARGED  CONTINENTAL, V, VERTICAL ORIENTATION STABILITY & CONTROL DYNAMIC STABILITY &  CONTROL   AIRCRAFT SYSTEMS PRINCIPLES OF ELECTRICITY,,  STATIC ELECTRICITY, ELECTROMOTIVE FORCE,  CURRENT FLOW, RESISTANCE, POWER, BASIC ELECTRICAL SYSTEM (DC), PRINCIPLES OF MAGNETISM, ELECTROMAGNETISM, STORAGE BATTERIES, CIRCUIT PROTECTION, PRIMARY CAUSE OF ELECTRICAL CIRCUIT FAILURE, ALTERNATING CURRENT, GENERATING DIRECT CURRENT, GENERATING ALTERNATING CURRENT, MISCELLANEOUS ELECTRICAL COMPONENTS,  ELECTRICAL SYSTEMS, GENERATORS (DC), ALTERNATORS, COMBINED AC/DC ELECTRICAL SYSTEMS, ALTERNATORS ,MAINTENANCE,  MOTORS ( DC), MOTORS ( AC), MANUFACTURER DOCUMENTATION, TURBINE ENGINES , TURBINE ENGINE HISTORY, FACTORS AFFECTING THRUST, AIRCRAFT JET ENGINES, TURBINE ENGINE COMPONENTS, TURBINE ENGINE IGNITION SYSTEMS, TURBINES, MAIN BEARINGS, EXHAUST SECTION, THRUST REVERSES, ENGINE NOISE,  ACCESSORY SECTION, ENGINE STARTING SYSTEMS, WATER INJECTION , REQUIRED MAINTENANCE , MANUFACTURE DOCUMENTATION, LUBRICATION AND COOLING SYSTEMS, WET-SUMP SYSTEM, DRY-SUMP SYSTEM, TYPICAL DRY-SUMP SYSTEMS, COOLING SYSTEMS, MANUFACTORY DOCUMENTATION AIRCRAFT PROPELLERS, PROPELLER THEORY, CONSTANT SPEED PROPELLER, PROPELLER SYSTEM OPERATION, SYNCHROPHASERS, PREFLIGHT AND MAINTENANCE, HYDRAULIC AND PNEUMATIC SYSTEMS , HYDRAULIC FLUID, HYDRAULIC SYSTEM COMPONENTS, HYDRAULIC PUMPS , ACCUMULATORS, FLUID LINE AND FITTING, FILTERS, ACTUATING CYLINDERS, PNEUMATIC SYSTEMS , FUEL SYSTEMS , TURBINE ENGINE FUELS, FUEL SYSTEM CONTAMINATION, MINIMIZING CONTAMINATION, FUEL HANDLING SAFETY, FUEL SYSTEM THEORY, JET FUEL CONTROLS, FUEL SYSTEM COMPONENTS, FUEL SYSTEM MAINTENANCE, ENVIRONMENTAL SYSTEMS, NEED FOR OXYGEN ATMOSPHERE'S COMPOSITION, ATMOSPHERE'S PRESSURE, TEMPERATURE AND ALTITUDE, PRESSURIZATION, AIR-CONDITIONING AND PRESSURIZATION SYSTEMS, AIR DISTRIBUTION, HEATING SYSTEMS, SUPPLEMENTAL OXYGEN SYSTEMS , LANDING GEAR SYSTEMS, SHOCK STRUTS, MAIN LANDING GEAR, EMERGENCY EXTENSION AND SAFETY SYSTEMS, NOSE WHEELS, BRAKE SYSTEMS, WHEELS AND TIRES, MANUFACTURE DOCUMENTATION, FIRE PROTECTION SYSTEMS, PORTABLE EXTINGUISHERS, ZONE CLASSIFICATIONS , DETECTION SYSTEMS, DETECTORS,, OVERHEAT WARMING, EXTINGUISHER SYSTEMS, AERODYNAMIC CONTROL AND PROTECTION SYSTEMS, TABS, HIGH LIFT DEVICES, BOUNDARY LAYER CONTROL DEVICES, VORTEX GENERATORS, FLIGHT CONTROL SYSTEMS,  PROTECTION AIRCRAFT OEM , AIRCRAFT MAINTENANCE MANUFACTURE BOEING, ALENIA, BOMBARDIER, CESSNA, PIPER, BRITISH AEROSPACE aerospatiale british aerospace Concorde, puma, airbus, ba, British aerospace plc eap, experimental aircraft programme , harrier, hawek, baE SEA HARRIER BEECH STARSHIP BELL-BOEING V22 OSPREY TILT ROTOR AIRCRAFT B707, B727 B 737, B 747, B767 , B767, B7J7, B777 B CHINOOK , CAN ADAIR CHALLENGER, DASSAUL MIRAGE DE HAVILLAND AIRCRAFT DH91 ALBATROSS CANADA DASH 8, DH 98 MOSQUITO DH 103 HORNER DC 10 EFA, EUROPEAN FIGHTER AIRCRAFT FOKKER AIRCRAFT CORPN , F 50, F 100 , GENERAL DYNAMICS CORP. F 16 , F 111 , GRUMMAN, A6 INTRUDER POWER, F14 GOSSAMER CONDOR, HANDLEY PAGE, HEMPEN, VICTOR, HAWKER SIDDELY AVIATION, KESTREL P1127 LEAR FAN LOCKHEED, C5A GALAXY, C130 HERCULES L1011 TRI-STAR, MCDONNELL DOUGLAS A4 SKY HAWK F15 AV-8B GR5 MD/NORTHROP PANAVIA TORNADO, PARTENAVIA , VILCANAIR , TECAM, PIPER CHEYENNE ROCKWELL SAAB SEPCAT JAGUAR VICKERS VC10 WESTLAND AUGUSTA EH101 HELICOPTER SEA KING , W 30/300 X WING VTOL AIRCRAFT, SIKORSKY