(Day 04-05) Airplane Assembly and Rigging

What does the Type Certificate Data Sheet (TCDS) provide for aircraft rigging?

Formal description and limitations for certification

What does it indicate when a control surface is underbalanced during static balance testing?

The trailing edge drops below the horizontal position

During cable inspection, why is it important to rub a rag along the cable?

To check for broken strands

Why are plumb bob and spirit levels used during structural alignment checks?

To check the position and angle of the main components

Why is it essential to follow the maintenance manual during aileron installation?

To ensure correct procedures and use of specific hardware

What is the advantage of using the calculation method for rebalancing control surfaces?

It can be performed without removing the control surface from the aircraft

How is cable tension measured accurately during rigging procedures?

By using a tensiometer

What is the purpose of rebalancing control surfaces after repainting or repairs?

To ensure stability and prevent undesirable maneuvers like fluttering

Which major components are included in the manufacturer's assembly of an aircraft?

Fuselage, empennage, wing sections, nacelles, landing gear, and powerplant

What should be done to ensure control surface travel is within the manufacturerâ s specifications?

Lock the control system in neutral and adjust stops

Why is dynamic balance important for control surfaces?

To prevent vibration during movement in flight

What is the final step before the first flight after biplane assembly and rigging?

Complete maintenance records

When rebalancing a control surface, why should the trim tabs be secured in the neutral position?

To ensure accurate balance testing

What material is commonly used for aircraft control cables due to its corrosion resistance?

Stainless steel

What is the primary function of turnbuckles in a control system?

To make minor adjustments in cable length and tension