LEODSI and PETTEOT: A Systems Approach for Understanding How Diving Really Works

LEODSI and PETTEOT: A Systems Approach for Understanding How Diving Really Works

LEODSI and PETTEOT: A Systems Approach for Understanding How Diving Really WorksGareth Lock
Published on: 22/03/2026

LEODSI and PETTEOT help divers move beyond blame to understand how systems shape outcomes. Seven elements, one framework, endless learning opportunities. Because understanding how diving really works is how we be better than yesterday.

Learning, Incidents & Just Culture
You're Accountable. You're Responsible. You're It!

You're Accountable. You're Responsible. You're It!

You're Accountable. You're Responsible. You're It!Gareth Lock
Published on: 18/03/2026

Accountability in diving isn't just about blame. This plain-language blog explains why the type of accountability we use after incidents determines whether teams actually learn — or just repeat the same mistakes. Real examples. Practical steps. Be better than yesterday.

EnglishLearning, Incidents & Just Culture
Isolation Amplifies Drift: When Remote Operations Make Small Deviations Invisible

Isolation Amplifies Drift: When Remote Operations Make Small Deviations Invisible

Isolation Amplifies Drift: When Remote Operations Make Small Deviations InvisibleMichael John Snow
Published on: 15/03/2026

Isolation changes how systems see themselves. In remote operations, small irregularities often become normal because feedback is limited, interruption is costly, and teams prioritise continuity. What looks like sudden failure is often the visible endpoint of slow, invisible drift shaped by system structure.

EnglishOperations & Procedures
HMS Scylla Wreck Penetration Tragedy: Two Perspectives on Learning

HMS Scylla Wreck Penetration Tragedy: Two Perspectives on Learning

HMS Scylla Wreck Penetration Tragedy: Two Perspectives on LearningGareth Lock
Published on: 11/03/2026

Two divers died penetrating HMS Scylla's engine room. This LEODSI analysis contrasts blame-focused social media narratives with systems thinking, revealing how experience, time pressure, and environmental assumptions interacted to produce tragedy—not individual failure but systemic factors needing improvement.

EnglishLearning, Incidents & Just Culture