DeepDraft Conversations explores ship operations, seamanship, maritime risk, and the systems that govern modern shipping. Grounded in real bridge experience and professional practice, these episodes are intended for Masters, officers, operators, and serious observers of the maritime domain.
During a SIRE 2.0 inspection, an experienced officer with a full beard could not get his breathing-apparatus mask to seal. Our explanation was that he wasn’t assigned to the fire party. But who takes over when the designated firefighters are exhausted or unavailable?
Based on Capt. Raghu Sharma’s DeepDraft analysis, this episode examines mask fit, facial hair and the practical limits of a ship’s emergency arrangements.
Read the full article:
https://thedeepdraft.com/2026/10/05/beards-scba-face-seal-merchant-ships/ (https://thedeepdraft.com/2026/10/05/beards-scba-face-seal-merchant-ships/)
AI-generated audio discussion using NotebookLM, based on the author’s published article.
29 Sept 2026
Rumpon and Rope: The Propeller Risk Below the Surface
A thermocol float passed close alongside a vessel drifting off Indonesia and later disappeared from view. A check aft revealed why: a substantial rope associated with it had reached the propeller area.
In this episode, we look at rumpon, the fishing arrangements commonly encountered in Indonesian waters, and why the visible float may be only a small part of the operational hazard.
The discussion covers drifting vessels, lookout limitations, submerged fishing gear and the precautions worth considering before turning the shaft after prolonged drifting in fishing-dense waters.
Read the full DeepDraft analysis:
https://thedeepdraft.com/2026/09/28/rumpon-and-rope-indonesias-hidden-propeller-fouling-hazard/ (https://thedeepdraft.com/2026/09/28/rumpon-and-rope-indonesias-hidden-propeller-fouling-hazard/)
22 Sept 2026
When Ship Lights Become a Navigation Hazard
A ship can be easy to see at night and still be difficult to read.
In this episode, we look at how deck lights, accommodation lighting and floodlights can interfere with the navigation lights that bridge teams rely on to judge vessel aspect, movement and collision risk. The discussion also considers what the COLREGs require and why the complete night-time appearance of a modern ship deserves more attention.
Read the full DeepDraft analysis:
https://thedeepdraft.com/2026/09/21/navigating-in-a-sea-of-visual-pollution/ (https://thedeepdraft.com/2026/09/21/navigating-in-a-sea-of-visual-pollution/)
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