CAT-A MODULE 12 HELICOPTER STRUCTURES AND SYSTEMS E-BOOK

Table of Contents

• Terminology
• Gyroscopic precession
• Torque reaction and directional control
• Dissymmetry of lift, blade up stall
• Translating tendency
• Coriolis effect
• Vortex ring state, power settling, overpitching
• Auto-rotation
• Ground effect

• Cyclic control
• Collective control
• swashplate
• Yaw control, anti-torque, tail rotor, bleed air
• Main rotor head
• Blade dampers
• Rotor blade construction and attachment
• Trim control
• System operation, manual, hydraulic, electrical, fly-by-wire
• Artificial feel
• Balance and rigging

• Rotor alignment
• Rotor tracking
• Static and dynamic balance
• Vibration types and reduction
• Ground resonance

• Gear boxes
• Main and tail rotors clutches; free wheel and rotor brakes tail rotor drive shafts, flexible couplings, bearings, vibration dampers, bearing hangers

• Airworthiness requirements for structural strength
• Primary, secondary, tertiary structures
• Fail safe, safe life, and damage tolerance
• Zonal and station identification
• Stresses and strains
• Drains and ventilation
• System installation provisions
• Lightning strike protection
• Construction methods
• Pylon, stabilizer, and undercarriage attachments
• Seat installation
• Doors; construction, mechanisms, operation
• Windows and windscreens
• Fuel storage
• Firewalls
• Engine mounts
• Structure assembly techniques
• Surface protection
• Surface cleaning
• Airframe symmetry

• Air supply
• Air conditioning systems
• Distribution systems
• Flow and temperature control
• Protection and warning devices

• Pitot static instruments
• Gyroscopic instruments
• Compass instruments
• Vibration indication (HUMS)
• Glass cockpit
• Other system indications
• Avionics fundamentals and operation
• Auto flight
• Communication systems
• Navigation systems

• Battery installation and operation
• DC power generation
• AC power generation
• Emergency power generation
• Voltage regulation
• Circuit protection
• Power distribution
• Inverters, transformers, rectifiers
• External power

• Seats, harnesses, and belts
• Lifting systems
• Emergency floatation systems
• Cabin layout
• Cargo retention
• Equipment layout
• Cabin furnishing installation

• Fire and smoke detection and warning
• Fire extinguishing systems
• System tests

• System layout
• Fuel tanks
• Supply systems
• Dumping, venting, and draining
• Cross feed and transfer
• Indications and warnings
• Refueling and defueling

• System layout
• Hydraulic fluids
• Reservoirs and accumulators
• Pressure generation; electric, mechanical, pneumatic
• Emergency pressure generation
• Filters
• Pressure control
• Power distribution
• Indication and warning
• Interface with other systems

• Ice formation, classification, detection
• Anti-icing and de-icing systems
• Rain repellent and removal
• Probe and drain heating
• Wiper systems

• Construction, shock absorbing
• Extension and retraction systems
• Indication and warnings
• Wheels, tires, brakes
• Steering
• Air-ground sensing
• Skids, floats

• External, navigation, landing, taxiing
• Internal, cabin, cockpit, cargo
• Emergency

• System layout
• Sources; engine APU, compressors, reservoirs, ground supply
• Pressure control
• Distribution
• Indications and warning
• Interfaces with other systems

• Typically integrated functions
• Core system
• Network components

• Central maintenance computers
• Data loading systems
• Electronic library system
• Printing
• Structure monitoring

• Storing, updating, and retrieving data
• General information systems
• Flight deck information
• Maintenance information systems
• Cabin information system
• Misc information system