Fabric Fundamentals
What synthetic fabric is commonly used in aircraft covering due to its durability and resistance to rot?"
What is polyester?"
Which type of dope is used first to bond fabric to the surface?
What is nitrate dope?
What type of damage appears as fraying or tearing in aircraft fabric?
What is mechanical damage?
Which wood species is preferred for aircraft spars due to its strength-to-weight ratio?
What is Sitka spruce?
Which FAR regulation outlines standards for fabric and wood repairs?
What is FAR Part 43?
What process uses heat to shrink fabric tightly over aircraft structures?
What is tautening?"
What tool is commonly used to shrink polyester fabric during installation?
What is a heat gun or calibrated iron?
What test is used to determine if fabric still meets strength requirements?
What is the punch test?
Name one common wood defect that disqualifies material from aircraft use.
What is a knot or cross grain?
What certification is required to perform major repairs on aircraft fabric?
What is an FAA mechanic certificate with Airframe rating?
According to FAA standards, fabric must pass this test to ensure minimum strength.
What is the punch test?
List the basic steps for patching a small hole in aircraft fabric.
What is the process for cleaning the area, applying a doped patch with overlap, heat sealing, and reapplying finish coats?
What is the maximum allowable damage size before a full fabric replacement is required?
What is damage exceeding 6 inches or compromising structural integrity?
What type of joint is commonly used in wood aircraft construction?
What is a scarf joint?
How often must fabric-covered aircraft be inspected for UV degradation?
What is annually or during 100-hour inspections?
Name two types of fabric used in aircraft covering and one key difference between them.
What are cotton and polyester? Cotton is organic and less durable; polyester is synthetic and stronger.
Name one adhesive used in fabric covering and its primary function.
What is Poly-Tak? It bonds fabric to the aircraft surface.
What stitch method is used to secure fabric to ribs?
What is the modified Seine knot or rib stitch?
Name one FAA-approved adhesive for wood aircraft structures.
What is resorcinol glue?
Name one safety hazard associated with applying dope in confined spaces.
What is flammable vapor accumulation?
What is the minimum tensile strength required for fabric used on certified aircraft?
What is 56 pounds per inch?
Which type of dope provides UV protection and final finish?
What is butyrate dope?
Name two pieces of safety gear required when applying dope or adhesives.
What are gloves and a respirator?
How can you identify compression failure in aircraft wood?
What are irregular lines or buckling across the grain?
What is the regulatory limit for allowable damage before mandatory repair?
What is any damage that compromises structural integrity or exceeds manufacturer limits?