- Who
- Keppel Offshore & Marine
- Where
- Singapore (Sentosa Island , Siloso Beach)
- When
The longest chain of helmets consisted of 18,000 safety helmets, measured 5,664 m (18,582 ft) and was created by Keppel Offshore & Marine Limited (Singapore) at Siloso Beach, Sentosa Island, Singapore on 21 October 2007.
