"The Thunder River Rapids ride had successfully completed its annual mechanical and structural safety engineering inspection on 29 September 2016," the theme park said in a statement. A freak occurrence saw the ride vehicle the victims were on flip over while on a conveyor belt, leaving them trapped under water and caught in the machinery. Just after 2pm, 34-year-old Kate Goodchild, her brother Luke Dorsett and his partner Roozi Araghi, and Sydney mother Cindy Low got on the Thunder River Rapids ride . The best surgeons in the world could have done little to change the outcome of the fatal Thunder River Rapids Ride malfunction, first responders have told an inquest into the 2016 Dreamworld tragedy. What happened on the Thunder River Rapids ride? The Thunder River Rapids ride at Dreamworld. Four people died after a raft in the Thunder River Rapids ride flipped and crushed two people, and drowned two others. How did the Thunder River Rapids accident happen? Snapshot of the Dreamworld ride tragedy. It consists of 21 boats each holding six people. History. It is described as a “moderate thrill” attraction for anyone aged two or older. media caption The Thunder River Rapids ride at Dreamworld has been closed following the deaths Two men and two women have been killed on a ride at a theme park on Australia's east coast. Near the finish, the raft rides up a conveyor belt before slowly descending back into the trench full of water. Kim Dorsett lost her daughter Kate Goodchild, 32, and son, Luke Dorsett, 35, when Dreamworld’s Thunder River Rapids ride “malfunctioned”. The river rapids ride concept was proposed by Bill Crandall (general manager of AstroWorld in Houston) and developed by Intamin. The Thunder River Rapids ride suffered some form of “malfunction” which caused two people to be thrown from the six-person vessel and two people to be trapped. Four people were killed following an accident on the Thunder River Rapids ride at the Gold Coast theme park on 25 October 2016. Credit: Jono Searle / Getty Images. Mr Murphy was not at the Thunder River Rapids Ride during the tragedy on October 25, 2016, when four people died, but he had experience in managing the engineering teams that maintained the ride. Four people died in theme park accident after a raft in the Thunder River Rapids ride flipped and crushed two people under a conveyor belt! The footage was played in a closed court on the ninth day of an inquest into the Thunder River Rapids Ride tragedy on Thursday on the Gold Coast. On October 25, 2016, Cindy Low, Kate Goodchild, her brother Luke Dorsett and his partner Roozi Araghi were killed when a water pump on the Thunder River Rapids Ride malfunctioned, causing water levels to fall dangerously low. The Splash Canyon ride opened in 1993 and is a water rapids-style ride where guests sit in a boat and are sent down a choppy "river". The Thunder River Rapids Ride is Australia’s only river rapids ride and opened in December 1986. Source:Supplied ‘We are deeply shocked and saddened by this,’ @Dreamworld_AU CEO Craig Davidson speaks after the fatal incident. “These types of investigations are not quick, they take a lot of time a Thunder River was installed in 1980, has been described as the "first commercially successful river-rapids ride". An amazing day at a theme park suddenly turned into sheer horror as four people were killed while riding the Thunder River Rapids ride in Dreamland Australia. Mr McDougall said he also found no evidence Dreamworld conducted a thorough engineering risk assessment of the ride in the three decades it was open to the public. Asst Commissioner Codd said officers would conduct a thorough investigation to ensure such a tragedy never happened again. They were killed when two rafts collided, flipping them onto a mechanical conveyer belt. Three years and four months after the Thunder River Rapids Ride tragedy at Dreamworld the coroner is ready to hand down his report into the disaster. The Thunder River Rapids Ride. That’s what happened in Oct. 2016 at Australia’s Dreamworld when four people were killed while riding the Thunder River Rapids Ride, a typical water ride that had been running since 1986. Dreamworld witnesses tell of horror after four die on Thunder River Rapids ride. The Thunder River Rapids Ride was supposed to provide whitewater thrills from the safety of a six-person raft. WHAT HAPPENED? It was sunny Tuesday when two women and two men boarded a large circular raft at Dreamworld, Australia’s largest theme park, and headed for the raging waters of the Thunder River Rapids Ride. Louis B. • Cindy Low, Kate Goodchild, her brother Luke Dorsett and his partner Roozi Araghi were killed when Dreamworld's Thunder River Rapids ride malfunctioned on October 25, 2016. The ten-story Sky Screamer debuted in 1983. DREAMWORLD 7964620-3x2-700x467 Thunder River Rapids Ride (What Happened…: DREAMWORLD 7964620-3x2-700x467 Thunder River Rapids Ride, Nature of the system and system parts, , People, Workplace, Management But on this day in 2016, an empty raft got stuck, causing the raft coming behind to flip on its side. Stephen Buss was operating the Thunder River Rapids ride in 2014 when two rafts collided in similar fashion to the incident. Here is what to expect. She screamed in horror as she watched her mother die. The ride, which simulates river rapids, uses tyre-shaped floating rafts that seat six and can reach speeds of 28mph. Almost 24 hours on from the Dreamworld accident that claimed the lives of four adults, further information about what happened in those final moments has emerged.. Tragedy struck the Gold Coast theme park on Tuesday afternoon when Kate Goodchild, her brother Luke Dorsett, his partner Roozi Araghi and New Zealand woman Cindy Low were all killed on the Thunder River Rapids ride. Angry reactions have erupted to the 3.6 million fine handed to the operator of Gold Coast theme park Dreamworld over the 2016 Thunder River Rapids ride tragedy that killed four people. When one of two pumps operating the Thunder River Rapids ride at Dreamworld failed, causing the water level to drop dramatically, tragedy ensued. Parks of the Houston Chronicle said of the ride at the time: "After being shot to the top of the tower in a super fast elevator ride, you are now about to free fall back to the bottom. Luke’s partner, Roozbeh Araghi , 38, was also killed.