The chief executive of Six Flags says the company will install seat belts on the Georgia roller coaster from which a rider fell to his death earlier this month. The company’s rides with similar restraints will also get the safety upgrade.
The theme park operator announced the extra safeguard less than two weeks after 42-year-old Hassan Jihad Ibn Kariem of Atlanta died after being ejected from his seat on the Goliath coaster at Six Flags Over Georgia.
Right what I’m saying is internally it is 4x redundant and is designed to fail safe regardless.
Here’s an old (2006) publicly available version of ASTM F2291 which governs amusement ride safety, notably class 5 restraints (highest tier) must be either redundant (i.e. two distinct devices as you suggest, or fail safe) and have external verification, which in the case for these ones is a proximity sensor that gets flagged once the pawls have dropped in by enough teeth