Safety 335 Discussion Questions.docx

Safety 335 Discussion Questions.docx - Safety 335...

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Safety 335 Discussion Questions 14CFR Part 23 lists the different categories of civilian aircraft are Normal, Utility, Acrobatic and Commuter Airplanes. Seating capacity is limited to nine passengers or less on all except the commuter aircraft. The maximum number of passengers for the commuter is 19, excluding the pilot and copilot. These aircraft also have a maximum takeoff weight of 12,500 pounds or less, except the commuter takeoff weight limit is 19,000 pounds or less. 14 CFR Part 25 lists Transport aircraft. These are used for commercial aviation and are also the movement of cargo. They have a maximum certificated takeoff weight of more than 12,500 pounds. 14 CFR Part 27 lists Normal Rotorcraft. These are small rotor wing aircraft limiting the passenger Seating to nine or less. However, the maximum certificated weight is limited to 7,000 pounds. 14 CFR Part 29 lists Transport Rotorcraft. These rotorcraft have a maximum certified weight over 7,000 pounds. Chapter 2 Discussion Question (choose one) 1. What are some of the issues with aircraft structure loads and what effects may these loads have on aircraft? How an aircraft is used determines how strong the structure of an aircraft will be. One problem with aircraft structure loads is, it’s difficult to determine the highest load factors that can be expected during normal operation under various flight and ground conditions. The aircraft structure must be designed to withstand load factors without any damage. The Code of Federal Regulations (CFR) requires the aircraft structure be capable of supporting 1.5 times the limit load factors without failure, however, it is accepted that parts of the aircraft may bend or twist under loads and that some structural damage may occur. 2. Discuss the relationship between static and dynamic pressures. The relationship is expressed by Bernoulli’s equation. The sum of the static (non-moving) air pressure P, and the dynamic (moving) air pressure q, is considered a constant.

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• Summer '14
• Yield surface, Transport Rotorcraft

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