FACULTY

APPLIED TECHNOLOGIES

DEPARTMENT

AIRCRAFT TECHNOLOGY ENGINEERING

LEVEL OF STUDIES

UNDERGRADUATE

MODULE CODE

AE2240

SEMESTER OF STUDIES

4^TH

COURSE TITLE

AIRCRAFT MAINTENANCE PRINCIPLES

INDEPENDENT TEACHING ACTIVITIES

TEACHING HOURS PER WEEK

CREDIT UNITS

Lectures and Practice

3

4

Lab activities

2

2

COURSE TYPE

Specialty course

PRE-REQUIRED COURSES:

TEACHING AND EXAMINATION LANGUAGE

GREEK

THE COURSE IS OFFERED TO ERASMUS STUDETNS 

COURSE WEBSITE (URL)

Learning Objectives

After successfully completing the course, students should be able to:
• Describe the basic aircraft maintenance principles
• Select the appropriate tools and techniques for the maintenance of aircraft components
• Know the inspection, disassembly, repair asnd reassembly techniques of an aircraft engine.

GENERAL SKILLS

1)       Autonomous work

2)       Group work

3)       Work in an international environment 

Unit 1: Aircraft Safety measures – Tools and equipment

Safe work methods including protection measures that must be taken while working with electricity, gases and particularly oxygen, oils and chemicals.

Directions for corrective actions in case of fire or any other emergency

Unit 2: Service Practices                                           

Tool maintenance, tool check, usage of service materials

Dimensions, supplies, tolerances, quality work standards

Τοol and equipment calibration, calibration standards

Unit 3: Tools                                                                  

Common manual tools,

Common power tools,

Operation and usage of precision measurement tools,

Lubrication equipment and methods,

Operation and usage of general test power equipment

Unit 4: General Test Electronic Equipment       

Operation and usage of general test electronic equipment

Unit 5: Engineering Drawing, Diagrams and Prototypes

Drawing types and diagrams, their symbols, dimensions, tolerances and projections

Recognition of information control system title,

Microfilm, microfiche and computerized presentations,

ATA specification 100 ,

Wiring digrams and schematic diagrams.

Unit 6: Assemblies and clearances                       

Drill sizes for screw holes, joints ,

Common joint clearance system ,

Joint clearance program for aircraft engines,

Arrow limits, twist and wear,

Standardized methods for shaft check, bearings and other parts.

Unit 7: Electric cables and connections              

Galvanic continuity, insulation and connection techniques and testing,

Usage of crimping tools: manual and hydraulic,

Folding joint test,

Removal and insertion of connecting dowel,

Coaxial cables: testing and installation precautions

Wiring protection techniques: Apparent wire deformation and coating support, cable clamps, protective techniques for ring type connections including windings due to thermal contraction and shielding.

Unit 8:  Riveting                                                           

Riveted connections, rivet distance and step,

Tools used for riveting and deformation,

Inspection of riveted connections.

Unit 9: Pipes and hoses                                             

Aircract tube bending  and stretch ,

Aircraft tube and hose inspection and testing,

Installation and connection of tubes with clamps

Unit 10: Springs                                                           

Spring inspection and testing.

Unit 11: Bearings

Testing, cleaning and inspection of bearings

Bearing lubrication requirements ,

Bearing failure and their cause.

Unit 12: Motion transmission systems   

Wheel inspection system,

Inspection of belts and pulleys, chains and gears,

Inspection of screw jacks, lever devices, push- pull rod systems

Unit 13: Control cables 

Extreme application development,

Control cable inspection and testing,

Bent cables: aircraft flexible control systems

Unit 14: Sheet metal treatment

Determination and calculation of sheet metal limitations,

Sheet metal treatment, including bending and  shaping,

Inspection of metal sheet treatment.

15^η  Ενότητα: Soldering, Brazing,  Welding and Bonding,

Soldering methods: soldered joints inspection,

Welding and brazing methods,

Inspection of welded and brazed joints,

Integration methods and inspection of bonded joints.

16^η  Ενότητα: Aircraft weight and balancing ,

Aircraft preparation for weighing,

Aircraft weighing.

Unit 17: Aircraft Ground Service and Storage

Aircraft taxiing/towing and relevant safety precautions,

Aircraft lifting with jacks, bonding, securement and relevant safety precautions,

Aircraft storage procedures ,

Supply procedures / fuel pumping,

Deicing/anti icing procedures,

Electric, hydraulic and pneumatic ground equipment,

Environmental conditions affecting aircraft ground service and operations.

Unit 18: Disassembling, Repair and Reassembling procedures

Types of failure and visual inspection techniques, Corrosion elimination, valuation and re-protection

General repair methods, Construction Repair manual, Aircraft aging/fatigue/corrosion control programs,

Non destructive control techniques including penetrating liquid techniques, radiography, self induction , ultrasound and endoscope

Disassemply and reassembly techniques              

Problem location and repair techniques. 

Unit 19: Unusual incidents

Inspections following thunderbolts and High Intensity Radio transmission field penetration.

Inspections following unusual incidents such as heavy landings and turbulent flights.

Unit 20: Maintenance Procedures

 Maintenance scheduling,

Alteration procedures,

Material procedures,

Certification procedures and delivery,

Interaction with aircraft operation,

Maintenance/quality control/quality assurance inspection

Additional maintenance procedures,

Component life span control.

Unit 21: Propeller maintenance

Static and dynamic balancing,

Flap track,

Flap damage assessment, corrosion, oxidation, impact wear,

  Propeller maintenance scheduling,

1^st lab activity: Bearings inspection, cleaning, lubrication and testing

2^nd lab activity: Motion transmission systems inspection

3^rd lab activity: Control cable inspection and testing

4^th lab activity: Metal sheet treatment methods and treatment inspection

5^th lab activity: Welding methods and welding inspection

6^th lab activity: Weight calculation and aircraft balancing

7^th lab activity: Aircraft ground servicing techniques

 8^th lab activity: Aircraft engine inspection, disassembly, repair and re-assembly techniques

9^th lab activity: Non destructive control techniques

10^th lab activity: Propeller maintenance and repair

ΤEACHING METHOD

In the classroom

USE OF INFORMATION AND COMMUNICATION TECHNOLOGIES  

Use of e-class platform

TEACHING ORGANIZATION

STUDENT EVALUATION

Final writen examination (100%) including:

- Multiple choice questions 

- Problem solving questions on specific maintenance cases

-Suggested Bibliography :

1) Καραγκιόζογλου Γεώργιος, “Στοιχεία υπολογισμού, κατασκευής και συντήρησης αεροσκαφών”, Εκδόσεις Ζαμπάρα 2006

2)www.faa.gov/regulations_policies/handbooks_manuals/aircraft/

-Συναφή επιστημονικά περιοδικά: