Title: Describe the four classes of aircraft fires.
Course: Aviation Maintenance Technology I (20114-I) > Section: Providing Ground Operations and Servicing

Description should include the following four classes of aircraft fires:

1. Class A—fires involving ordinary combustible materials, such as wood, cloth, paper, rubber, and plastics.
2. Class B—fires involving flammable liquids, petroleum oils, greases, tars, oil-based paints, lacquers, solvents, alcohols, and flammable gases.
3. Class C—fires involving energized electrical equipment in which the use of an extinguishing media that is electrically nonconductive is important.
4. Class D—fires involving combustible metals, such as magnesium, titanium, zirconium, sodium, lithium, and potassium.

Process/Skill Questions:

- What are four classes of aircraft fires?
- Why are there four classes of aircraft fires?