Aircraft Instrument System Syllabus Diploma in Aircraft Maintenance Engineering, Regulation 2010
OBJECTIVES
- To provide general knowledge of grouping of aircraft Instruments.
- To provide general knowledge of flight instruments.
- To provide general knowledge of pitot and static system.
- To provide general knowledge of temperature measurement.
- To provide general knowledge of rotational speed.
- To provide general knowledge of fuel quantity measurement.
- To provide general knowledge of gyroscope.
- To provide general knowledge of direct reading compass.
- To provide general knowledge of remote indicating compass.
- To provide general knowledge of Autopilot.
SHORT DESCRIPTION
Introduction to classification of Aircraft Instruments, Basic principle of operation of Aircraft general Instruments, flight Instruments. Basic knowledge of pressure, temperature and fuel quantity measurement. Basic principle of operation of direct reading compass, remote magnetic compass and basic knowledge of Autopilot.
DETAIL DESCRIPTION
Theory
- UNDERSTAND THE BASIC REQURIEMENTS AND GROUPING OF AIRCRAFT INSTRUMENT:
1.1 Introduction.
1.2 Explain the Instruments Grouping.
1.2.1 Explain the Basic “six”.
1.2.2 Explain the Basic “T”.
2 UNDERSTAND BASIC OPERATION OF INSTRUMENT ELEMENTS AND MECHANISM:
2.1 Describe the Principal Elements.
2.2 Explain the Operation of principal elements.
2.3 Describe the Mechanisms.
2.3.1 Describe the Lever mechanism.
3 UNDERSTAND THE PITOT-STATIC SYSTEM:
3.1 Describe the atmospheric physics.
3.1.1 Describe the atmospheric pressure.
3.1.2 Describe the atmospheric temperature.
3.1.3 Describe the standard atmospheric.
3.2 Define pitot pressure
3.3 Define static pressure
3.4 Define and describe the pitot head.
3.5 Define and describe the static vent.
3.6 Describe the typical layout of pitot-static system.
3.7 Describe the heating circuit arrangements.
3.8 Explain pressure (position) error.
3.9 Explain the alternate pressure sources.
3.10 Describe drain holes, traps and associated equipments.
3.11 Describe the pipelines.
3.12 Describe the air data computer.
4 DESCRIBE THE PURPOSE, PRINCIPLE, CONSTRUCTION, AND OPERATION OF PITOT-STATIC INSTRUMENTS:
4.1 Describe the purpose, principle, construction and operation of altimeter.
4.1.1 Explain the purpose of altimeter.
4.1.2 Explain the principle of altimeter.
4.1.3 Explain the construction of altimeter.
4.1.4 Explain the operation of altimeter.
4.1.5 Types of altitude.
4.2 Describe the purpose, principle, construction and operation of Airspeed Indicator.
4.2.1 Explain the purpose of Airspeed Indicator.
4.2.2 Explain the principle of Airspeed Indicator.
4.2.3 Explain the construction of Airspeed Indicator.
4.2.4 Explain the operation of Airspeed Indicator.
4.2.5 Types of Airspeed.
4.3 Describe the purpose, principle, construction and operation of Machmeter.
4 .3.1 Explain the purpose of Machmeter.
4.3.2 Explain the principle of Machmeter.
4.3.3 Explain the construction of Machmeter.
4.3.4 Explain the operation of Machmeter.
4.4 Describe the purpose, principle, construction and operation of vertical speed indicator.
4.4.1 Explain the purpose of vertical speed indicator.
4.4.2 Explain the principle of vertical speed indicator.
4.4.3 Explain the construction of vertical speed indicator.
4.4.4 Explain the operation of vertical speed indicator.
4.4.5 Types of vertical speed indicator.
5 DESCRIBE PRESSURE MEASURMENT ELEMENTS AND SYSTEMS:
5.1 Describe the pressure sensing elements.
5.1.1 Describe the bourdon tube principle.
5.1.2 Describe the Diaphragm.
5.1.3 Describe the Capsule.
5.1.4 Describe the bellows.
5.2 Describe the types of pressure.
5.2.1 Describe the absolute pressure.
5.2.2 Describe the Gauge pressure.
5.2.3 Describe the differential pressure.
5.2.4 Describe the direct reading method.
5.2.5 Describe the remote indicating methods.
6 DESCRIBE THE TEMPERATURE MESUREMENT SYSTEM:
6.1 Explain the method of application.
6.2 Explain the Classification of temperature measuring Instrument.
6.2.1 Describe the expansion type (Liquid/solid)
6.2.2 Describe the vapor pressure type.
6.2.3 Describe the Radiation type.
6.2.4 Describe the Dissimilar metal type.
6.2.5 Describe the Electrical Resistance type.
6 .3 Describe the exhaust gas temperature indicating system.
6.3.1 Describe the purpose of EGT/TGT.
6.3.2 Describe the principle of EGT/TGT.
6.3.3 Describe the construction of EGT/TGT.
6.3.4 Describe the operation of EGT/TGT.
7 DESCRIBE ROTATIONAL SPEED MEASUREMENT SYSTEM:
7.1 Describe the direct drive Indicator.
10.1.1 Describe the mechanical indicators.
7.2 Describe the Electrical tachometer system.
7.2.1 Describe the generator and indicator system
8 DESCRIBE THE POSITION MESUREMENT SYSTEM:
8.1 Explain the purpose.
8.2 Describe the types of position measurement.
8.2.1 Explain the Desynn system.
8.2.2 Explain the Magnesyn system.
8.2.3 Explain the selsyn/ atuosyn system.
8.2.3.1 Explain the Torque synchro.
8.2.3.2 Explain the control synchro.
8.2.3.3 Explain the differential synchro.
8.2.3.4 Explain the re-solver synchro.
9 DESCRIBE THE QUENTITY MEASUREMENT SYSTEM:
9.1 Describe the purpose of fuel quantity measurement
9.2 Explain the fuel quantity measurement Indicating system.
9.2.1 Describe the desynn type indicating system.
9.1.2 Describe the capacitance type indicating system
10 DESCRIBE THE GYROSCOPIC PRINCIPLE:
10.1 Introduction
10.2 Definition of gyroscope
- Properties of gyroscope
- Rigidity
10.3.2 Precession
- Types of gyroscope and their construction
- Space gyro
- Tied gyro
- Earth gyro/Displacement gyro
- Rate gyro
- Reference established by gyroscope
- Pitch
- Roll
- Yaw
- Limitation of Free Gyroscope
- Apparent Drift
- Real Drift
- Displacement Gyroscope Limitation
- Gimbal Lock
- Gimbal Error
- Gyro Horizon
- Principle of Gyro Horizon
- Construction
- Operation
11 Describe the GENERAL KNOWLEDGE of Direct Reading Compass SYSTEM:
11.1 Magnet System
11.2 Principle of Operation
11.3 Construction
11.4 main Components- compass card, compass bowl
11.5 Liquid damping
11.6 Liquid Expansion Compensation
12 Explain the GENERAL KNOWLEDGE of REMOTE-INDICATING COMPASS SYSTEM:
12.1 Main components of a remote indicating compass system
12.2 Directional Gyroscope
12.2.1 Construction
12.2.3 Gimbal Errors
12.3 Heading indicator (RMI)
12.3.1 Purpose
12.3.2 Principle of operation
12.3.3 Main Components
11.3.4 Construction
4.3.5 Operation
13 DESCRIBE THE general knowledge of the FLIGHT DATA RECORDER & ACCELEROMETER SYSTEM:
13.1 Accelerometer
13.1.1 Function
13.1.2 Principle of Operation
13.1.3 Design Features
13.1.4 System Operation
13.2 Flight Data Recorder
13.2.1 Function
13.2.2 Principle of operation
14 DESCRIBE THE GENERAL KNOWLEDGE of FUNDAMENTALS of AUTOMATIC
PILOT.
14.1 Inner loop stabilization
14.2 Classification of Automatic control systems
14.2.1 Single axis
14.2.2Two axis
14.2.3Three axis
14.3 Interlocks
REFERENCE BOOKS
- Aircraft Instruments – EHJ Pallett
- Automatic flight control – EHJ Pallett
- Aircraft Instrument Systems – Dale Crane
- Airframe Handbook AC 65-15A – FAA Publications
|
Md. Abul Khayer Deputy Chief Instructor |
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