OBJECTIVES
- To provide understanding of aircraft structure.
- To familiarize different types of constructional features.
- To give understanding of load bearing capability & affect of altitude variation on aircraft structure.
- To give ideas & knowledge on strength weight ratio of an aircraft structure for selecting proper structural materials.
- To familiarize regarding structural load effect because of aircraft maneuvering.
- To understand aircraft bonded structural materials.
SHORT DESCRIPTION
Introduction to fuselage structure, wing structure, stabilizer (Horizontal & vertical), Radom & cabin structure etc.
DETAIL DESCRIPTION
Theory
- UNDERSTANDING THE BASIC CONCEPT OF AIRCRAFT STRUCTURE AND ITS CONSTRUCTION.
1.1 Explain various materials to be selected for manufacturing aircraft structure.
1.2 Discuss aircraft main structure & its division.
1.3 Define different structural parts as primary, secondary & tertiary.
- AIRCRAFT FUSELAGE STRUCTURE
2.1 Define fuselage
2.2 Discus different types of fuselage.
2.3 Explain the difference between monocoque, semi monocoque and stress skin fuselage structure
2.4 Define longeron, stringer, former bulkhead etc.
- WING STRUCTURE
3.1 Explain the types of wing structure
3.2 Discuses truss type structure
3.3 Discuss stressed skin type structure.
3.4 Familiarize with, wing spar, stringer, RIB false spar, false rib.
3.5 Describe wing attachment with the fuselage.
- STABILIZERS AND CONTROL SURFACE CONSTRUCTION
4.1 Describe the structural feature of stabilizer & Flight Control surface.
4.2 Explain Horizontal & vertical stabilizer structure.
4.3 Detail views of the Ailerons, elevators, & Rudder constructional feature.
- CABIN STRUCTURE
5.1 Explain the aircraft cabin structure.
5.2 Describe cabin floor construction& its materials compositions.
5.3 Explain passenger door, emergency exits & cargo door constructions.
5.4 Give detail view about windows & wing shield construction.
- RADOME
6.1 Define honey comb machined skin & sandwich
6.2 Purpose of using honeycomb construction in RADOME.
6.3 Describe Radome’s special construction features and it’s behavior to Electromagnetic wave.
- PRESSURIZED STRUCTURE
7.1 Introduction of effect of pressure on aircraft & structures and its construction.
7.2 Explain the effect of pressure on cockpit structure constructions
7.3 Explain the effect of pressure on passenger cabin
7.4 Explain the effect of pressure on structural sealing
7.5 Discus and describe sealing compound.
7.6 Describe the construction of bulkhead.
- FAIL SAFE STRUCTURE AND ITS ARRANGEMENT
8.1 Describe fail safe structure.
8.2 Explain safe life structure.
- STRUCTURAL STRESS
9.1 Explain stress & strain
9.2 Types of major stresses
9.3 Effect of stresses on aircraft structure
- LOAD FACTOR AND FACTORS OF SAFETY
10.1 Define the terms of load factor.
10.2 Explain the factor of safety of aircraft.
10.3 Discuss the importance of load factor on the material and construction of Aircraft structures.
- AIRCRAFT SUB STRUCTURES
11.1 Describe different sub structural items used on aircraft.
11.2 Discuss the types of material used for sub structures of aircraft
11.3 Describe different sheet metal used in aircraft
11.4 Discuss the use of different fasteners, washers, bolts etc.
11.5 Describe different joining methods of aircraft structure.
12 STATION/LOCATION, NUMBERING SYSTEM
12.1 Introduction.
12.2 Describe zoning , station number and location numbers.
13 NACELLES/ FAIRINGS /POD /SKIN
13.1 Introduction.
13.1 Describe structure of nacelles, fairing, pod.
Practical
- Observe in Practical of Fuselage Structure.
- Identity and locate the Following Structural Parts:
- Primary Structure
- Secondary Structure
- Tertiary Structure
- Longer on
- Former
- frame
- Bulkhead
- Wing Structure
3.1 Assembles/Disassembles of wing Structure to the fuselage Structure.
3.2 Show practically aircraft wing Fuel tank and Removal/Installation of different Line Replaceable Unit (LRU) inside the tank.
- Stabilizer and Control Surface
4.1 Learning of Removal/ Installation of Aileron, Elevator, Rudder structural surfaces.
4.2 Practically shows the skill of Identification of horizontal and vertical Stabilizer structure.
- Cabin structure
5.1 Show the skill of recognition of different doors of the aircraft.
5.2 Observe and recognize the cargo doors and other compartment.
5.3 Removal/ Installation of windshield and windows.
- Radom
6.1 Removal/ Installation of Radom.
- Nacelles/Pod/Fairing
7.1 Removal/ Installation of Different Fairing and panels.
7.2 Observe and locate engine nacelles, Pod and structure.
REFERENCE BOOKS
- AIRFRAME & POWER PLANT MECHANICS
Airframe Hand Book – AC 65-15A
Federal Aviation Administration (FAA)
- A & P TECHNICIAN AIRFRAME TEXTBOOK
International Standard Book number 0-89100-395-9
EA –ITP – A 2(FAA)
- AIRCRAFT BONDED STRUCTURE
(Training Manual) by Dale Crane
Aviation maintenance Publications INC.
- AIRFRAME & POWER PLANT MECHANICS
General Hand book – AC 65-9A
Federal Aviation Administration (FAA)