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Movie Hazard Analysis #15 · Crush-depth dive

Das Boot (1981)

The crush depth was the hazard, not the depth charges

Everyone watches the depth charges. The JHA starts with how deep the boat is: nobody should be patching a hull past rated crush depth.

Initial risk
20
CRITICAL
Residual risk
15
HIGH

Probability × severity, before and after the JHA’s controls. The highest-scoring step sets each band.

Movie Hazard Analysis #15 cover: Das Boot (1981)
Sep 25, 2026 · 33sWatch on YouTube ↗

The work order

Movie Hazard Analysis #15 treats the crush-depth dive from Das Boot (1981) as a real work order: seven crew, one flooding engine room, five steps of emergency hull flooding control.

What moved the risk

Line isolation, continuous atmospheric monitoring, a dedicated attendant with staged rescue, and firm withdrawal criteria lower every step, but none drops below HIGH.

FIELD NOTE

The transfer to real work. Before anyone patches a live leak, ask what would take the pressure off first.

Every hazard, control and risk number shown comes from the JHA itself; nothing is invented or rounded for effect. Inspired by Das Boot (1981): commentary and hazard analysis of a fictional scene as depicted, with no affiliation with the film or its rights holders. The underlying JHA was generated with JHA Rapid, is AI-assisted, and must be reviewed by a qualified safety professional before use. Not a compliance document.

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