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Elements and Performance Criteria

  1. Prepare to evaluate rotorcraft flight control system
  2. Identify principles and techniques required for evaluation of rotorcraft flight control system applications
  3. Evaluate rotorcraft flight control system
  4. Report results

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Rotorcraft flight control systems include:

Mechanical flight control (cyclic, collective and tail rotor)

Powered flight control

Trim

Interfaces with engine fuel control unit or throttle/governor

Interfaces with automatic flight control systems, electrical and instrument systems and engine power control

Rotorcraft flight control system components include:

Cockpit controls

Cable runs and hardware

Mechanical linkages

Hydraulic actuators and valves

Electric actuators

Hydraulic power supply, plumbing, valves and filters

Trim actuators

Mixer box

Rotor swashplate

Tail rotor pitch change mechanism

Indicators, lights and switches

Standards and guidance material include:

ADF AAP7001 .054 Airworthiness Design Requirements Manual

FAR Part 27 Airworthiness Standards for Rotorcraft in the Normal Category

FAR Part 29 Airworthiness Standards for Rotorcraft in the Transport Category

EASA CS-27 Certification Specifications for Rotorcraft in the Normal Category

EASA CS-29 Certification Specifications for Rotorcraft in the Transport Category

CASA AC21.16(0) Approval of material, parts, processes and appliances

CASA AC21.145(0) Manufacture of parts during the course of maintenance

CASA AC21.601(0) Australian Technical Standards Order Authorisation

CASA CAAP35 -7(0) Design approval of modifications and repairs

CASA AC 21-99 Aircraft Wiring and Bonding

FAA AC 43-13-1B Acceptable Methods, Techniques and Practices – Aircraft Inspection and Repair

Configuration management (CM)

CM is a process for control and documentation of the design and development process and for the management of system, component and software throughout the service life

Integrated logistic support (ILS)

ILS is an integrated approach to the management of logistic disciplines originally developed for the management of military systems from design concept to final disposal at life-of-type. It covers:

reliability engineering, maintainability engineering and maintenance planning

supply and support

support and test equipment

manpower and personnel

training and training support

technical data and publications

computer resources support

facilities

packaging, handling, storage and transportation

design interface

Appropriate technical and professional assistance includes:

Assistance from individuals with CASA maintenance certification licenses or those with supervisory authorisations in the ADF regulatory system

Professional support from engineers employed within:

organisations with CASA continuing airworthiness management or maintenance approvals

approved engineering organisations under the ADF regulatory system

Engineers employed within organisations recognised by overseas airworthiness organisations

WHS, regulatory requirements and enterprise procedures include:

WHS Acts and regulations

Relevant standards

Industry codes of practice

Risk assessments

Registration requirements

Safe work practices

Civil Aviation Safety Regulations (CASRs)

AAP7001 .053 ADF Technical Airworthiness Management Manual

Overseas airworthiness authorities, where applicable, e.g. Federal Aviation Administration, Transport Canada, European Aviation Safety Agency

Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

identifying WHS, regulatory and electrical safety requirements, risk management procedures, features and functions of aircraft flight control systems and components, system design principles and techniques, including:

performance and operating environment

system control

indicating and circuit protection requirements

interface requirements between rotorcraft flight control systems and other systems, including automatic flight control systems and electrical power distribution

determining and confirming:

parameters and context of tasks

chain of responsibility

personal functions and responsibilities

team and support functional group interdependencies and communications

appropriate qualifications and delegations

appropriate support, including technical and professional assistance

investigating associated CM and ILS requirements and drafting required data

identifying and drafting data required for compliance with airworthiness regulations

assessing and applying:

basic rotorcraft flight control system performance analysis and design procedures

design standards

regulatory requirements

graphics skills and techniques

evaluating system components and specifications against system design and operating criteria

reporting and documenting results of scoping, principles and techniques identification and evaluation of applications.

Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

features and layout of rotorcraft flight control systems, including control, indication and interface with other systems:

cyclic and collective flight control mechanical systems and components

cyclic and collective flight control powered systems - hydraulic actuators and irreversible valves

tail rotor control

interface with automatic flight control servo actuating devices and trim systems

interface with electrical power supply, instrument systems and engine power control system

basic design principles for:

cyclic, collective and tail rotor flight controls

cyclic, collective and tail rotor flight control mechanical systems and components

powered flight control systems and components

trim systems and components

interface with the aircraft electrical and instrument systems

interface with automatic flight control systems

wiring types, standards and specifications

performance and operating environment effects

airworthiness regulator design standards

compliance requirements of the WHS Act and regulations, codes of practice, standards and risk assessment

scope of trade, technical and professional support services required in aircraft flight control system applications

management data interface with CM and ILS.