AAC Corrosion Prevention and Control

Question 1

What does the acronym CPCP stand for in Army aviation maintenance?

Accepted Answer

Corrosion Prevention and Control Program

Answer

Component Protection and Coating Procedure

Answer

Corrosion Prevention Compliance Protocol

Answer

Component Preventive Coating Program

Question 2

Which type of corrosion most commonly affects aluminum aircraft structures and appears as white or gray powdery deposits?

Accepted Answer

Surface corrosion (oxidation)

Answer

Galvanic corrosion

Answer

Intergranular corrosion

Answer

Stress corrosion cracking

Question 3

What is galvanic corrosion in the context of Army aircraft maintenance?

Accepted Answer

Corrosion that occurs when two dissimilar metals are in contact in the presence of an electrolyte

Answer

Corrosion caused by stray electrical current from the aircraft battery

Answer

Corrosion resulting from mechanical stress on metal components

Answer

Corrosion caused by fuel contamination on metal surfaces

Question 4

Which environmental condition most accelerates corrosion on Army aircraft?

Accepted Answer

High humidity and salt-laden air

Answer

Low humidity and cold temperatures

Answer

High altitude and low atmospheric pressure

Answer

Extreme heat and prolonged direct sunlight

Question 5

What is the first step a maintenance technician should take when discovering corrosion on an Army aircraft?

Accepted Answer

Document the finding on the appropriate maintenance form

Answer

Apply a corrosion inhibiting compound immediately to stop progression

Answer

Remove all paint from the affected area before assessment

Answer

Notify the pilot and ground the aircraft pending depot review

Question 6

Which Army technical manual provides primary guidance on corrosion prevention and control for aviation equipment?

Accepted Answer

TM 1-1500-344-23

Answer

TM 55-1500-345-23

Answer

AR 95-1

Answer

DA PAM 738-751

Question 7

What is crevice corrosion and where does it most commonly occur on Army aircraft?

Accepted Answer

Corrosion occurring in confined spaces where moisture and contaminants accumulate and cannot drain

Answer

Corrosion caused by vibration in high-cycle engine components

Answer

Corrosion resulting from paint film failure on exterior upper surfaces

Answer

Corrosion caused by fuel leaks pooling near metal fittings