Lesson 1. Airframe Parts, Metals, Processes, and Hardware
Figure 1-1. Principal Airframe Parts (Airplane).
Figure 1-2. Principal Airframe Parts (Helicopter).
Figure 1-3. Fuselage Construction.
Figure 1-4. Semimonocoque Construction.
Figure 1-5. Reinforced Shell Construction.
Figure 1-6. Nacelle Construction.
Wings
Figure 1-7. Wing Construction.
Wing Ribs.
Figure 1-8. Empennage Construction.
Principal Airframe Parts (Helicopter)
Figure 1-9. Cabin Section (UH-1D).
Figure 1-10. Tail Cone Section (UH-1).
Summary - AL09920019
Part B. Metal Qualities and Stresses
Ductility
Contraction and Expansion
Figure 1-10a. Examples of Stress and Strain.
Part C. Metal-Working Processes
Definition
Heat Treatment
Annealing.
Casting
Extrusion
Cold Drawing.
Stamping and Pressing.
Part D. Aviation Hardware
Solid-Shank Rivets.
Mechanical Lock.
Rivet Removal.
Figure 1-12b. Rivet Removal.
Special Purpose Fasteners
Hi-Shear Rivets.
General Purpose Bolts.
Figure 1-15. Huck Lock Bolts.
Figure 1-16. Jo-Bolt Head Styles.
Summary - AL09920042
Summary (cont) - AL09920043
Lesson 1 Practice Exercise - AL09920045
Lesson 1 Practice Exercise (Cont) - AL09920047
Answer Key and Feedback - AL09920048
Answer Key and Feedback (Cont) - AL09920049
Damage Repair
Lesson 2. Damage Repair
Part A. Principles of Repair
Forming.
Original Contour
Part B. Structural Repair
Inspecting for Cracks
Damage Classification
Corrosion Control
Common Types of Corrosion.
Corrosion Inspections
Figure 2-1. Combined Forces Applied.
General Repair Practices
Rivet Selection.
Part C. Stressed Skin Repairs
Figure 2-2. Flush Patch Repair of a Small Hole.
Stress Intensity
Figure 2-3. Lap Patch for a Crack.
Figure 2-4. Rectangular Flush Patch.
Figure 2-5. Internal Structure Flush Patch.
Figure 2-6. Flush Access Door Installation.
Measuring, Cutting, and Aligning.
Drilling New Rivet Holes.
Removing Burrs.
Figure 2-9. Correct and Incorrect Bucking Bars.
Summary - AL09920075
Part D. Internal Structure Repair
Figure 2-10. Patch Repair of Stringer (For Damage Less Than Two-Thirds of One Leg Width).
Figure 2-11. Patch Repair for Stringer (For Damage Greater Than Two-Thirds of One Leg Width).
Figure 2-12. Insertion Repair (For One Stringer).
Figure 2-13. Insertion Repair (For More Than One Stringer).
Loneron Repair
Figure 2-14. Insertion Repair for a Spar.
Rib Repair
Figure 2-15. Rib Repair by Patching.
Figure 2-16. Rib Repair by Insertion.
Repair Categories.
Figure 2-17. Trailing Edge Repair Between Ribs.
Figure 2-18. Trailing Edge Repair Near a Rib.
Part E. Structural Sealing
Kinds of Sealants
Cleaning Techniques.
Summary - AL09920092
Summary (cont) - AL09920093
Lesson 2 Practice Exercise - AL09920094
Lesson 2 Practice Exercise (Cont) - AL09920095
Lesson 2 Practice Exercise (Cont) - AL09920096
Answer Key and Feedback - AL09920097
Answer Key and Feedback (Cont) - AL09920098
Appendix Glossary
Appendix Glossary (Cont) - AL09920100
Appendix Glossary (Cont) - AL09920101
Appendix Glossary (Cont) - AL09920102
Appendix Glossary (Cont) - AL09920103
Appendix Glossary (Cont) - AL09920104
Basic Airframe Repair
Figure 1-1. Principal Airframe Parts (Airplane).
Figure 1-2. Principal Airframe Parts (Helicopter).
Figure 1-3. Fuselage Construction.
Figure 1-4. Semimonocoque Construction.
Figure 1-5. Reinforced Shell Construction.
Figure 1-6. Nacelle Construction.
Wings
Figure 1-7. Wing Construction.
Wing Ribs.
Figure 1-8. Empennage Construction.
Principal Airframe Parts (Helicopter)
Figure 1-9. Cabin Section (UH-1D).
Figure 1-10. Tail Cone Section (UH-1).
Summary - AL09920019
Part B. Metal Qualities and Stresses
Ductility
Contraction and Expansion
Figure 1-10a. Examples of Stress and Strain.
Part C. Metal-Working Processes
Definition
Heat Treatment
Annealing.
Casting
Extrusion
Cold Drawing.
Stamping and Pressing.
Part D. Aviation Hardware
Solid-Shank Rivets.
Mechanical Lock.
Rivet Removal.
Figure 1-12b. Rivet Removal.
Special Purpose Fasteners
Hi-Shear Rivets.
General Purpose Bolts.
Figure 1-15. Huck Lock Bolts.
Figure 1-16. Jo-Bolt Head Styles.
Summary - AL09920042
Summary (cont) - AL09920043
Lesson 1 Practice Exercise - AL09920045
Lesson 1 Practice Exercise (Cont) - AL09920047
Answer Key and Feedback - AL09920048
Answer Key and Feedback (Cont) - AL09920049
Damage Repair
Lesson 2. Damage Repair
Part A. Principles of Repair
Forming.
Original Contour
Part B. Structural Repair
Inspecting for Cracks
Damage Classification
Corrosion Control
Common Types of Corrosion.
Corrosion Inspections
Figure 2-1. Combined Forces Applied.
General Repair Practices
Rivet Selection.
Part C. Stressed Skin Repairs
Figure 2-2. Flush Patch Repair of a Small Hole.
Stress Intensity
Figure 2-3. Lap Patch for a Crack.
Figure 2-4. Rectangular Flush Patch.
Figure 2-5. Internal Structure Flush Patch.
Figure 2-6. Flush Access Door Installation.
Measuring, Cutting, and Aligning.
Drilling New Rivet Holes.
Removing Burrs.
Figure 2-9. Correct and Incorrect Bucking Bars.
Summary - AL09920075
Part D. Internal Structure Repair
Figure 2-10. Patch Repair of Stringer (For Damage Less Than Two-Thirds of One Leg Width).
Figure 2-11. Patch Repair for Stringer (For Damage Greater Than Two-Thirds of One Leg Width).
Figure 2-12. Insertion Repair (For One Stringer).
Figure 2-13. Insertion Repair (For More Than One Stringer).
Loneron Repair
Figure 2-14. Insertion Repair for a Spar.
Rib Repair
Figure 2-15. Rib Repair by Patching.
Figure 2-16. Rib Repair by Insertion.
Repair Categories.
Figure 2-17. Trailing Edge Repair Between Ribs.
Figure 2-18. Trailing Edge Repair Near a Rib.
Part E. Structural Sealing
Kinds of Sealants
Cleaning Techniques.
Summary - AL09920092
Summary (cont) - AL09920093
Lesson 2 Practice Exercise - AL09920094
Lesson 2 Practice Exercise (Cont) - AL09920095
Lesson 2 Practice Exercise (Cont) - AL09920096
Answer Key and Feedback - AL09920097
Answer Key and Feedback (Cont) - AL09920098
Appendix Glossary
Appendix Glossary (Cont) - AL09920100
Appendix Glossary (Cont) - AL09920101
Appendix Glossary (Cont) - AL09920102
Appendix Glossary (Cont) - AL09920103
Appendix Glossary (Cont) - AL09920104
Basic Airframe Repair
