What technical manual covers materials and procedures to prevent corrosion damage to aircraft?

The correct answer is that NA-01-1A-509 Volume 2 specifically addresses materials and procedures focused on preventing corrosion damage to aircraft. This volume is dedicated to providing comprehensive guidance and technical information on corrosion prevention and control techniques applicable to various types of aircraft and their components.

Corrosion is a significant concern in aviation maintenance, as it can lead to deterioration of materials and structural integrity. Therefore, Volume 2 encompasses detailed methodologies, recommended practices, and the necessary materials—such as coatings and sealants—that are essential for ensuring the longevity and safety of aircraft.

The other volumes in the NA-01-1A-509 series cover different aspects of aircraft maintenance and related technical information but do not focus primarily on corrosion prevention. Volume 1 typically discusses maintenance and serviceability requirements, while subsequent volumes (including Volume 3 and Volume 4) might address different maintenance topics or broader areas that don't specifically concentrate on corrosion control measures.