Aircraft Component Cleaning questions and answers

Aircraft Component Cleaning questions and
answers


Why are aircraft cleaned? (5 Reasons) - answer-A clean aircraft can:
v v v v v v v v v v




Give more accurate inspection results
v v v v


Spot defects on an aircraft most easily
v v v v v v


Improve aerodynamics and reduce weight from dirt
v v v v v v




Dirt blown into the pilot;s eyes can cause accidents and salt water has a serous
v v v v v v v v v v v v v v


corroding effect on metal surfaces.
v v v v v




REF: FAA-H-8083-30A: p. 8-24 (Section- Aircraft Cleaning)
v v v v v v




What are the 3 categories of washing? Describe each. - answer-Wet Wash: removes oil,
v v v v v v v v v v v v v


grease, carbon deposits and moist soils
v v v v v v




Dry Wash: removes airport film, dust, and small accumulation of dirt and soil
v v v v v v v v v v v v




Polish: restores the luster to painted and unpainted surfaces of the aircraft. It also
v v v v v v v v v v v v v


removes corrosion and oxidation
v v v v




REF: FAA-H-8083-30A: p. 8-24 (Section- Exterior Cleaning)
v v v v v v




How are magnesium engine parts cleaned? - answer-Engines are cleaned with a fine
v v v v v v v v v v v v


sprat of kerosene or solvent. A bristle brush may be used to help clean some of the
v v v v v v v v v v v v v v v v v


surfaces
v




REF: FAA-H-8083-30A: p. 8-27 (Section- Poweplant Cleaning)
v v v v v v




How are aircraft windshields cleaned? - answer-You use soap and water to wash by
v v v v v v v v v v v v v


hand. First, rinse off the plastic surface with fresh water to dissolve salt deposits and
v v v v v v v v v v v v v v v


wash away dust particles. Next, wash with fresh water and dry with a chamois, synthetic
v v v v v v v v v v v v v v v


wipes designed for use on plastic windsheilds. Then, coat the surface with a plastic
v v v v v v v v v v v v v v


polish which prevents surface scratch and reduces dust.
v v v v v v v v




REF: FAA-H-8083-30A: p. 8-25 (Section- Exterior Cleaning)
v v v v v v




Lead acid and Ni-cad battery spills are neutralized with what? - answer-Baking soda is
v v v v v v v v v v v v v


used to neutralize lead-acid battery. Boric acid is used to neutralize ni-cad battery.
v v v v v v v v v v v v v