Reviewer for Aircraft Structures in the Aeronautical Engineering board.
1
Types of Loads
| Load | Description |
|---|---|
| Tension | Pulling apart |
| Compression | Pushing together |
| Shear | Sliding/cutting |
| Torsion | Twisting |
| Bending | Combination |
2
Structural Design
Wings and fuselage use semi-monocoque construction — skin carries load with internal frames, ribs, stringers, and spars.
💡 Exam Hack
The wing spar carries most of the bending load from lift; ribs give the wing its shape.
3
Safety Factors
Structures are designed with a factor of safety so they withstand loads beyond normal operation.
⚠️ Common Mistake
Fatigue from repeated load cycles can fail a structure below its static strength — inspections are critical.
4
Key Structural Members
| Member | Role |
|---|---|
| Spar | Carries wing bending load |
| Rib | Gives wing its shape |
| Stringer | Stiffens the skin |
| Longeron | Runs along the fuselage |
📌 Quick Recap — Master These
Before your exam, make sure you can confidently explain and apply each of the following:
- Types of Loads
- Structural Design
- Safety Factors
- Key Structural Members
Re-read any section above where you hesitate.