Kingda Ka is a steel roller coaster at Six Flags Great Adventure in Jackson, New Jersey, USA. It is the tallest and was the fastest roller coaster until Formula Rossa and 1 of 2 strata coasters. It goes up 456 feet (139 m) and can go 300 miles per hour (480 km/h). It first opened on May 21, 2005. To get up 456 feet, the train is launched by a machine to 128 miles per hour in 3 seconds. The train goes up the tower, and back down. At the bottom the train goes over a hill while it is slowing down. Soon it is going slow enough to be able to arrive safely back where it started. The ride lasts 59 seconds.
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In the past it has been struck by lightning and shut down for almost a whole year. Also the launch cable snapped and they shut down for a while. Something happened to the braking fins so they shut down the ride. It also can get shut down by weather. The train is made so that if it rolls back it gets placed back for launch. This happens when the hydraulic launch system does not get enough power to get over the hill or the brakes on the top off the hill stop you too much. In Top Thrill Dragster it once got stuck at the top.
Kingda Ka is named for a 500 pound mythical tiger. A tiger in the safari was named after the roller coaster. It is surrounded by bamboo to make it look more real. It also plays music.
4 trains that hold 18 people each 9 rows 2 to a seat. Shoulder harnesses and buckles to keep the shoulder harness down make sure passengers are safe. At the top, passengers are weightless for 1 second, and the beautiful view is followed by a drop.
Passengers must be 54 inches tall.