MAP 01-470, officially the "Design and Manufacture of Equipment to Withstand Mechanical Shock," is a UK Ministry of Defence technical standard designed to ensure naval systems survive extreme mechanical impacts, such as underwater explosions. It acts as a critical reference for engineers to validate shock-resistant designs, including propulsion systems and submersibles, in compliance with maritime defense requirements. As an "Official-Sensitive" defense standard, access to the full document is often restricted, with many of its principles now incorporated into the Modern Airworthiness and Maintenance Processes (MAM-P) framework.
| Limitation | Action Required from PDF | |------------|---------------------------| | | Ensure GPS set to same datum (WGS 84 vs. older NAD 27) | | Contour interval | Do not assume slope steepness without verifying interval | | Magnetic declination | Update using current declination (marginal data may be years old) | | Feature change | Roads / buildings may have changed since last survey – cross-reference with imagery | | Grid ticks | Check if grid is MGRS or civilian UTM – offsets possible | map 01-470 pdf