Which system is the only authorized medium for directing the accomplishment and recording of modifications and one-time inspections of NAVAIR accepted equipment?

The correct answer is TDRS. The Technical Data Reporting System (TDRS) is specifically designed to serve as the authorized medium for directing the accomplishment and recording of modifications and one-time inspections of NAVAIR accepted equipment. TDRS provides a standardized approach that ensures consistency and accountability in documenting the necessary modifications and inspections, which is crucial for maintaining readiness and operational integrity of the equipment.

Other systems, while they may have functions related to reporting or data management, do not specifically fulfill the requirement to both direct the accomplishment and record modifications and inspections in a manner acknowledged by NAVAIR. The role of TDRS is vital as it integrates data reporting and compliance tracking, ensuring that all modifications are properly recorded for future reference and analysis, which supports ongoing maintenance and operational effectiveness.