Innovation Series: Advanced Science (ISSN 2938-9933)

Research on the Construction and Optimization of MOD Identification Management System for Civil Aircraft Onboard Equipment

Xueqin Pang, Hao Jing, Yuanyuan Tang

Abstract: With the development of the civil aviation industry, onboard equipment modifications are frequent, but China’s civil aircraft industry faces issues like inconsistent MOD identification rules, vague scenario boundaries, and broken traceability. This study focuses on the whole life cycle of civil aircraft onboard equipment, defining EMOD/MOD scenario boundaries and conversion mechanisms based on 3F1I equivalence. It optimizes the "letter prefix + sequence identifier" coding structure and the "document-physical object" integrated expression system. Aiming at current challenges, four strategies are proposed: scenario-based control, unified coding/data standards, physical identification quality improvement, and cross-subject collaboration platforms. Case verification with avionics equipment shows significant effects—misuse rate drops to 3%, information transmission shortens to 1 day. This research enhances modification traceability and safety, providing practical support for the domestic civil aircraft industry’s development.

Keywords: Modification; Civil Aircraft; Change; Impact Analysis

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