The DeepDraft

Insight and Analysis

  • Flettner Rotors Beyond the Spreadsheet

    Flettner Rotors Beyond the Spreadsheet

    Execution at Sea Part 2 of 2 Part 1 explained the device and the theory behind it. That is the easy part.Execution is where it…


  • Flettner Rotors in Shipping

    Flettner Rotors in Shipping

    What They Are, How They Work, and Why Owners Are Installing Them Part 1 of 2 Tall rotating cylinders are now appearing on the decks…


  • Amplitude: Understanding Horizons, Visual Cues, and Practice

    Amplitude: Understanding Horizons, Visual Cues, and Practice

    Amplitude remains one of the oldest techniques still taught and used in navigation. It survives because it is simple, quick, and independent of electronics. A…


  • Understanding Sanctions in Maritime Trade

    Understanding Sanctions in Maritime Trade

    The Question That Always Comes Next In my previous article, I explained how sanctions enforcement, particularly through OFAC, reaches the ship and why the Master…


Maritime decisions are not made in theory.

DeepDraft is written from the bridge, where regulation meets operational judgment and consequences are real. This is execution-level maritime analysis.

Get DeepDraft in Your Inbox

Independent maritime analysis on trade, risk, regulation, and operations.