Why IETM Level 4 (JSG 0852) is Useful for Shipbuilding Projects
Nov 17, 2025 · 2 min read · 1. Centralized Digital Maintenance System Ship systems are complex propulsion, power generation, electronics, HVAC, etc. IETM Level 4 consolidates all Operation, Maintenance, Installation, and Troubleshooting data into a single interactive digital ...
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