Safety Flash
COBRA System – Hose coupling cross threaded
COBRA System – Hose coupling cross threaded
- IMCA
- Safety Flash
- IMCA SF 10/22
- DivingHuman FactorsMachinery and Equipment
- Human factorsMechanical failurePressure systems
- Diving operations
- Hose
- Pre-use checksSafety communication
- Subsea
Summary
A diving safety flash describes leakage from a COBRA hose coupling that was cross-threaded and subsequently pulled free during helmet removal in the bell. It examines restricted access and reliance on a green pressure indicator, highlighting coupling alignment awareness, visible-thread checks and a requested supplier review of the coupling mechanism.
Classifications: Human factors; human performance; ergonomics.
Classifications: Mechanical failure; equipment failure.
Classifications: Pressure systems; stored pressure; pressurised systems; pressurized systems.
Classifications: Diving operations; diving; commercial diving.
Classifications: Hose; flexible hose.
Classifications: Pre-use checks; pre-use inspection.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Subsea; underwater worksite.
Summary
During diving operations, diver 1’s right-hand COBRA hose had a “champagne” leak coming from the connection at the hat.
IMCA SF 10/22. Themes: diving, human factors, machinery and equipment.