Day 4 Progress Check Flashcards
What does it indicate when a control surface is underbalanced during static balance testing?
The trailing edge drops below the horizontal position
What is the purpose of rebalancing control surfaces after repainting or repairs?
To ensure stability and prevent undesirable maneuvers like fluttering
Why is it essential to follow the maintenance manual during aileron installation?
To ensure correct procedures and use of specific hardware
Why are plumb bob and spirit levels used during structural alignment checks?
To check the position and angle of the main components
What should be done to ensure control surface travel is within the manufacturerâ s specifications?
Lock the control system in neutral and adjust stops
How is cable tension measured accurately during rigging procedures?
By using a tensiometer
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
What material is commonly used for aircraft control cables due to its corrosion resistance?
Stainless steel
During cable inspection, why is it important to rub a rag along the cable?
To check for broken strands
When rebalancing a control surface, why should the trim tabs be secured in the neutral position?
To ensure accurate balance testing
What does the Type Certificate Data Sheet (TCDS) provide for aircraft rigging?
Formal description and limitations for certification
Which major components are included in the manufacturer’s assembly of an aircraft?
Fuselage, empennage, wing sections, nacelles, landing gear, and powerplant
What is the final step before the first flight after biplane assembly and rigging?
Complete maintenance records
Why is dynamic balance important for control surfaces?
To prevent vibration during movement in flight
What is the primary function of turnbuckles in a control system?
To make minor adjustments in cable length and tension
