Material Selection Flashcards

What type of deicing fluid is primarily used to remove frost, snow, and ice from an aircraft?

Answer: Type I fluid

Type I fluid is heated and sprayed to remove contamination, while thickened fluids provide anti-icing protection.

Which deicing fluid type is selected mainly for longer anti-icing holdover time?

Answer: Type IV

Type IV is a thickened fluid that provides the longest holdover protection against refreezing.

Type I deicing fluid is often dyed what color for identification?

Answer: Orange

Type I fluid is commonly dyed orange, while Type IV is typically green.

Which material should be used to cover or protect pitot tubes and static ports during ground deicing per manufacturer guidance?

Answer: Approved covers or plugs specified by the aircraft manufacturer

Only manufacturer-approved covers prevent fluid entry without leaving residue or blocking sensors after removal.

When choosing a container for collecting used deicing fluid, which requirement is most important?

Answer: Container is chemically compatible and part of the approved glycol recovery system

Glycol must be collected in compatible, approved systems to meet environmental regulations.

Which material makes the best tug tow bar shear pin choice?

Answer: Manufacturer-specified shear pin designed to break at a set load

Shear pins are engineered to fail at a specific load to protect the aircraft nose gear.

Which glove material offers the best cut protection when handling baggage with sharp edges or metal components?

Answer: Cut-resistant fiber gloves such as HPPE or aramid blends

Cut-resistant fibers like HPPE and aramid protect hands from sharp edges while keeping dexterity.