Aircraft Flight Controls Syllabus Diploma in Aircraft Maintenance Engineering, Regulation 2010

Aircraft Flight Controls Syllabus Diploma in Aircraft Maintenance Engineering, Regulation 2010:

  • To know the purpose of primary, secondary and auxiliary group of flight control surfaces.
  • To provide guide line about pitch control, roll control and yaw control of aircraft.
  • To give idea about the life augmenting and lift dumping devices.
  • To make familiar with the different type of tab, their principle and operation.
  • To provide with general knowledge about the un-usual control (dual control) their arrangements and operation.
  • To understand the mechanical, powered and power assisted flight controls.
  • To familiar with servo-control mechanism, follow-up and feedback systems.
  • To understand the control system (essential) requirements.
  • To familiarize with artificial feel mechanism and gust lock system.
  • To provide detail view about the installation criteria with safety features of flight controls.

 

SHORT DESCRIPTION

 

To provide clear understanding about primary, secondary and auxiliary group of flight controls, pitch, roll and yaw control, unusual controls and their operation, mechanically, powered and power assisted controls, essential requirements, installation, rigging and safety procedure.

 

DETAIL DESCRIPTION

 

Theory

 

  1. To familiar with the introduction of Flight Control System

 

  1. Understand the Purpose of Flight Control System

 

  1. Describe the requirements of Aircraft Flight Control System

                3.1          Define sensitivity

                3.2          Define stability

                3.3          Discuss emergency measures

                3.4          Describe irreversibility

                3.5          Discuss thermal relief

  1. Understand Aircraft Flight Control Surfaces

4.1          List primary group control surface

4.2          List secondary group control surface

4.3          List auxiliary group control surface

 

  1. Understand the Aileron Controls

                5.1          Describe principle of aileron operation

                5.2          Define roll control

                5.3          Describe adverse yaw and its preventive measure

                5.3.1       Explain aileron deflection

5.3.2       Identify fries-type aileron

  • Explain aileron lock out mechanism

 

  1. Understand the Elevator Controls

                6.1          Describe principle of elevators operation.                      

6.2          Define pitch control

6.3          Identify all-moving tail plane

6.4          Describe trim-able horizontal stabilizer (THS)

6.5          Define Mach Trim

 

  1. Understand the Rudder Controls

7.1          Describe principle of rudder operation

7.2          define yaw control (directional control)

7.3          Explain yaw damper

 

  1. Understand the Control Surface Balance

8.1          Introduction

8.2          Count methods used

8.2.1       Determine static balance

8.2.2       Define dynamic balance

 

9              Describe the operation of the following Tabs (Secondary Flight Control)

                9.1          Ground adjustable tab

                9.2          Trim tab

                9.3          Balance tab

                9.4          Servo tab

9.5          Spring tab

9.6          Anti-balance tab

 

  1. Understand the following Auxiliary Flight Controls

10.1        Lift augmenting devices

10.1.1     Wing trailing edge flaps:

10.1.1.1 Plain flap

10.1.1.2 Split flap

10.1.1.3 Fowler flap

10.1.1.4 Slotted flap

10.1.2     Wing leading edge flaps

10.1.2.1 Kruger flap

10.1.2.2 Droop flap

10.1.3     Slats

10.1.3.1 Fixed slat

10.1.3.2 Automatic slat

10.1.3.3 Controllable slat

10.2        Spoilers

10.2.1     Flight spoiler (Lift dumper)

10.2.2     Roll spoiler (Lateral control)

10.2.3     Ground spoiler

10.2.4     Speed break / air brake

10.2.5     Position indicators

10.3        Synchronization (Lift augmenting & dumping devices)

 

  1. Identify the following Un-usual Control (Duel Control)

11.1        Ruddovators

11.2        Elevons

11.3        Stabilators

11.4        Flaperons

 

  1. Understand the Flight Controls Operating Mode

                12.1        Mechanically operated flight controls

                12.2        Power operated flight controls

                12.3        Power assisted flight controls

                12.4        Electrical Motor Operated flight controls

 

  1. Understand the Mechanically Operated Flight Controls

                13.1        Push-Pull rod and Bellcrank system operation

13.2        Cable and pulley system operation

13.3        Chain and Sprocket system operation

13.4        Cable tension regulator

13.5        Cable tension measurement

13.6        control rigging procedure

               

  1. Understand the Powered flight controls

                14.1        Servo- mechanism

                14.2        Follow up system

                14.3        Feed back system

                14.4        Artificial feel mechanism

                14.4.1     Spring feel system

                14.4.2     Bungee feel system

                14.4.3     Q. feel system

                14.5        Failure mode of operation

 

  1. Understand the Power assisted (Boosted) flight control

                15.1        Servo mechanism

                15.2        Summing bar

                15.3        Idler bar

                15.4        Backlash actuator

                15.5        Failure mode of operation

 

  1. Discuss the following Gust Lock

                16.1        External locks

                16.2        Internal locks

16.3        Control surface snobbier

 

  1. Understand the installation of Flight Control Surfaces

                17.1        Determine control surface deflection limit stops

                17.2        Outline pulleys and sprockets

                17.3        Differentiate guards and cover

                17.4        Differentiate levers and fairleads

                17.5        Explain fork-end fittings

                17.6        Differentiate control cable and push-pull rods

 

 

Practical                                        

 

  1. Show skill in identification of primary control surfaces and associated components
  2. Show skill in identification of secondary control surfaces and associated components
  3. Show skill in primary control surfaces operation
  4. Show skill in secondary control surfaces operation
  5. Show skill in removal and installation of Control Surfaces
  6. Show skill in control adjustment & rigging

 

REFERENCE BOOKS

 

  1. A&P Hand Book AC65-15A
  2. Cessna 150 Aircraft
  3. F-28 Aircraft
  4. DC10-30 Aircraft
  5. A310 Airbus Aircraft

 

Prepared by

 

 

 

 

Anwar Hossain Khan

Deputy Chief Instructor

 

 

 

 

GM Anwer Hossain

Chief Instructor

 

 

 

 

Engr. S.M. Akmal Hossain

Principal