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Step Change - Safety Alert                           Defective Deck Net & Aircraft Slide

28/7/2017

1 Comment

 
Description of Process: On approaching a Normally Unmanned Installation (NUI) one orbit was completed for HLO to clear the deck, he signaled "clear", and deck also seemed clear to both pilots.

Description of Incident: Once A/C slowly made contact with the deck with the port main gear it lurched forward, sideways, and rolled left and possibly right also. There was no cyclic movement to cause this to occur. The slide forward (several feet) and roll was significant enough for the captain to come on the controls. The A/C settled on all three landing gear and landing checks were made. 
On inspection of the helideck it was found that whilst the hard surface underneath the netting was fairly abrasive, the netting was extremely slippery, it was a hazard to even walk on. The net was covered in a green slime, itself was fairly elastic, and also seemed to be beginning to fall apart.  The left wheel had dragged a considerable amount of net with it across the deck, and there seemed to be two slight rubber drag marks on the deck where the right wheel had made contact.  The deck was wet on this occasion, later in the day when returning to the platform and when dry the netting was far more effective.

Good Practice Guidance: All helidecks, particularly Normally Unmanned Installaitions (NUIs) should be maintained and regularly checked

Causes and consequences of incident or accident: 

Moving, flying or falling object
Moving vehicle or vessel
Contact with something fixed or stationary
Slip, trip or fall on same level

Contributing factor: 
Change management
Communication
Complacency
Control of work
Competence
Culture
Commitment​
1 Comment
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25/8/2017 02:12:32

In every situation, safety is the primary target. This is to avoid any further accidents. Recently, many decks are defective due to unavoidable defects. The air force is doing their best to avoid any other possible accidents. Thank you for this change. I hope to see more amazing changes. Keep on posting.

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  • Home
  • Services
    • Onshore, Hospital Heliport Certification and Feasibility Studies >
      • Helideck Design Review
      • Helideck Certification
      • Airport - Operator Safety Oversight
    • Offshore Aviation Radio Operator Training
  • The Company
    • Handy Regulatory References
  • Dangerous Goods Training
  • News
  • Client Login