Oral Questions 2026 Exam All
Answers and Illustrations
Given
Is there a requirement for cleaning an aircraft prior to an annual or 100-
hour inspection? - ANSWER ✔✔Yes, in accordance with FAR Part
43, Appendix D.
What precautions should be observed when washing an airplane? -
ANSWER ✔✔Avoid or protect areas that may be damaged or
, contaminated such as pitot tubes, static ports, hinges, sealed areas, and
bearings.
What are some common light duty cleaning agents? - ANSWER
✔✔Soap or detergents and water.
Which materials are commonly used as heavy duty cleaners? -
ANSWER ✔✔Solvents and emulsions.
What are the preferred cleaners for plastic surfaces such as
windshields? - ANSWER ✔✔Mild soap and water or manufacturer-
approved cleaners.
What type of cleaning agents should be used to remove grease, oil, or
fuel from aircraft tires? - ANSWER ✔✔Soap and water.
What factors cause or influence corrosion? - ANSWER
✔✔Environmental conditions, dissimilar metals, type of metal, presence
of electrolytes or contaminants, and condition of protective coatings.
What are the different types of corrosion that can be found on an
aircraft? - ANSWER ✔✔Surface, intergranular, filiform, dissimilar
metal, galvanic, oxidation, fitting, stress, fretting, and exfoliation.