What publication identifies airframe structural life limits?

The correct choice is the Periodic Maintenance Information Cards (PMIC). This publication plays a crucial role in identifying and communicating the structural life limits of an airframe. The PMIC provides vital information that assists maintenance personnel in understanding the specific maintenance requirements and operational limits related to airframe components throughout their service life.

Airframe structural life limits are critical for ensuring the safety and airworthiness of an aircraft. These limits can include restrictions on usage, such as flight hours and cycle limits (takeoffs and landings), which are particularly important for aging aircraft. The PMIC provides this information in a clear and accessible format, ensuring that maintenance teams are timely informed of when specific inspections or replacements need to occur to mitigate risks associated with structural fatigue and failure.

While the Aircraft Maintenance Manual (AMM) also provides detailed maintenance procedures and guidelines, it may not always summarize life limits in an easily digestible format like the PMIC. Therefore, the PMIC is specifically designed to address these limits comprehensively, making it the most appropriate choice in this context.