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Kingda Ka at Six Flags Great Adventure, was the world's tallest rollercoaster for 19 years

Key Information

Intamin Amusement Rides is a design and manufacturing company in Schaan, Liechtenstein, best-known for designing and constructing thrill rides and roller coasters at dozens of international theme parks, amusement parks and other establishments. The Intamin brand name is a syllabic abbreviation for "international amusement installations". The company has corporate offices across the world, including three in Europe, three in Asia, and two in the United States.

Products and technologies

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Intamin's product range spans two broad categories: rides and transportation.

Amusement rides

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Roaring Rapids river ride at Six Flags Over Texas (2007)

Roller coasters

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Intamin created the first hydraulic launch system (known as the Accelerator Coaster), which catapults roller coaster trains from standstill to speeds upwards of 240 kilometres per hour (150 mph) in a few seconds before climbing to immense heights. Kingda Ka at Six Flags Great Adventure, for instance, was North America's tallest and fastest coaster, launching riders from 0–128 mph (206 km/h) in 3.5 seconds.[2]

Intamin uses computerized and industrialized engineering and manufacturing methods for its wooden coasters, rather than traditional on-site fabrication.[3] Coasters such as Colossos at Heide Park, Balder at Liseberg and El Toro at Six Flags Great Adventure utilized this manufacturing technique. Unlike other traditional wood coasters, these rides use prefabricated track sections made of a high-strength wooden laminate that can be secured on-site when the superstructure is completed. This design enables the coaster to reach speeds and navigate course elements smoothly, like a steel roller coaster, while retaining the look and some of the traditional feel of common wooden coasters.[3]

Ferris wheels

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Giant Wheel, a double wheel at Hersheypark
Sky Whirl, a triple wheel at Six Flags Great America
Incredicoaster, a Custom Intamin Looper at Disney California Adventure

Intamin brokered a number of rides that were manufactured by Waagner-Biro. These included a series of rides for Marriott Corporation, each comprising a vertical column supporting multiple horizontal arms, with each arm supporting a Ferris wheel. The first was Giant Wheel which operated at Hersheypark in Hershey, Pennsylvania, from 1973 until 2004. Similar Intamin supplied Waagner-Biro wheels included Zodiac (Kings Island, Mason, Ohio) and Scorpion (Parque de la Ciudad, Buenos Aires, Argentina). All are now defunct.

Sky Whirl, the world's first triple Ferris wheel, which debuted at both Marriott's Great America parks (now Six Flags Great America, Gurnee, Illinois, and California's Great America, Santa Clara) in 1976, was also manufactured by Waagner-Biro and brokered by Intamin. Also known as a triple Ferris wheel,[4] Triple Giant Wheel,[5] or Triple Tree Wheel, it was 33 metres (108 ft) in height.[6] The Santa Clara ride, renamed Triple Wheel in post-Marriott years, closed on 1 September 1997. The Gurnee ride closed in 2000.[7]

The Orlando Eye, which opened in April 2015, was designed and built by Intamin.[8]

Transportation

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Outside the amusement realm, Intamin supplies monorail transportation systems which are used in both public transport networks and at tourist attractions across the world. Intamin was responsible for the design and building of the Moscow Monorail (Russian: Московская Монорельсовая Транспортная Система (ММТС)), which is 4.7 kilometres (2.9 mi) long and is located in the North-Eastern Administrative Okrug of Moscow, Russia, running from the Timiryazevskaya metro station to Sergeya Eisensteina street. Planning of the monorail started in 1998. It has six stations.

In 2016, two monorails using Intamin equipment were opened: the 5.2 kilometres (3.2 mi) Ashgabat Monorail in Turkmenistan;[9] and the 1.1 kilometres (0.68 mi) Calabar Monorail in the Cross River State, Nigeria, which connects the Calabar International Convention Centre to the Tinapa Resort.[10]

In 2020, the Marconi Express Monorail opened as a shuttle between the Bologna Guglielmo Marconi Airport and the Bologna Centrale railway station.

Intamin has also constructed monorails at amusement parks in Xi'an and Ningbo in China, and the Asia Park Monorail in Da Nang in Vietnam.[11]

Notable Intamin rides

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See also: List of Intamin rides and Category:Roller coasters manufactured by Intamin

Incidents

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See also: Amusement park accidents

Intamin has been in the news for a number of safety-related incidents, though given the company’s long history, virtually all of the rides in this section have already been removed or modified to run incident-free.

  • In 1984, three passengers riding The Edge at Six Flags Great America were injured and briefly hospitalized. The ride experienced a malfunction that caused it to fall backward down the wrong shaft.[12]
  • On June 9, 1991, 32-year-old Candy Taylor of Toledo, Ohio, fell to her death from Flight Commander, an Intamin Flight Trainer, located at Kings Island. Investigators determined that a design flaw in the seat divider could allow a rider to slide into an unoccupied seat and become free from the restraint. A coroner's report later revealed that the victim had a blood-alcohol level of 0.30 which may have also contributed. Speculation suggests the rider lost consciousness during the ride and slid out from the restraints.[13][14]
  • On May 16, 1999, a 365 lb (166 kg) guest was unable to close his lap bar on Ride of Steel at Six Flags Darien Lake. As a result, he was ejected, fell approximately 9 feet as the ride went over a camel hump hill, and suffered serious injuries. He sued the park and the ride manufacturer for negligence and was awarded US$3.95 million.[15]
  • In August 1999, a 12-year-old mentally disabled boy fell from the 207-foot (63 m) high Drop Tower: Scream Zone, at California's Great America, and died. The victim's family claimed his harness was not locked properly. An investigation was inconclusive and no charges were filed.[16][17]
  • In September 2001, a 40-year-old woman fell from Perilous Plunge (Knott's Berry Farm) into the water, was hit by the boat, and died. An investigation showed that the 300 lb (140 kg) woman had loosened the safety restraints, so she could fit more comfortably into the ride.[18]
  • On April 16, 2004, a 16-year-old girl from Pontypool was killed after falling approximately 30 m (100 ft) into shallow water from the top of Hydro (now called Drenched) at Oakwood Leisure Park, Narberth, Pembrokeshire, United Kingdom.[19] During a lawsuit brought by the victim's family against Oakwood, a jury returned a narrative verdict stating that the victim had fallen out due to being improperly restrained.[20]
  • The second incident of 2004 was on one of Intamin's mega coasters, Superman: Ride of Steel, at Six Flags New England in Massachusetts. The ride, again with lap bar restraints, was dispatched with a rider who had cerebral palsy in the front seat; this passenger subsequently died after being ejected from his seat. According to an investigation,[21] the ride operators were primarily to blame, for not ensuring the rider was properly secured. Intamin was also partially blamed, as the ride's safety system allowed the train to be dispatched without all of the restraints properly secured.
  • The third incident of 2004 happened on July 14, on Cedar Point's Top Thrill Dragster. During the initial launch, in which the train accelerates from 0 to 120 miles per hour (190 km/h) in 4 seconds, the riders were struck by metal debris that sheared off from the coaster's launch cable. The majority of guests waiting in the queue line would be standing no more than 10 to 15 feet from the track, at closest range. They were treated at the park's first aid station. Two were further treated at Firelands Regional Medical Center.[22]
  • In June 2007, a 13-year-old girl lost both feet at the ankles on Superman: Tower of Power, at Six Flags Kentucky Kingdom, when a ride malfunction and improper maintenance caused a cable to snap.[23] She was brought to the hospital in critical condition,[24] but survived, with doctors being able to re-attach her right foot. The park was later fined $1,000 for not properly maintaining the ride; an undisclosed settlement was later reached with Six Flags, which will provide for her for the remainder of her life.[25]
  • On September 16, 2009, two guests were injured when the launch cable snapped on Xcelerator at Knott's Berry Farm. The train launches riders from 0 to 80 miles per hour in a matter of seconds, ascends a vertical top-hat, and descends down the other side. The 12-year-old victim had lacerations on his leg, while the adult victim complained of back injuries.[26]
  • On April 29, 2010, a ride train on Expedition GeForce partially derailed from the track, fully occupied with passengers. Riders were stranded 20m in the air, with eight of them complaining of nausea and bruising.[27]
  • On July 8, 2011, a 29-year-old guest was killed when he was ejected from Superman: Ride of Steel. The rider, an Iraq War veteran whose legs had been amputated, was on the front row of the roller coaster when he was thrown from the train during the course of the ride. Park officials stated that the ride was in proper mechanical order and that the various safety restraints were also working normally at the time of the incident, but that the attraction would remain closed pending an investigation. It was determined that ride operators at the time should not have permitted the man to get on the ride, due to his status as a double amputee.[28]
  • On February 24, 2012, a 14-year-old girl died in an accident at Hopi Hari, Vinhedo, São Paulo State, Brazil. She fell from the La Tour Eiffel drop tower ride, suffered cranial trauma, and died on the way to hospital. Initial investigations suggested the possibility of mechanical failure in a restraint latch.[29]
  • On July 24, 2012, the launch cable of the accelerator coaster Rita at Alton Towers, Staffordshire, UK, snapped during a morning test run. There were no passengers aboard at the time and no injuries occurred.[30]
  • On July 19, 2013, a boat on the Shoot the Rapids log flume (at Cedar Point) rolled back down the ride's lift hill and flipped over, injuring seven, and was said to leave them stranded under water for a few minutes before guests and park employees could get them out. Six were cleared by park medical staff, and one was examined at a local hospital before being released. The ride closed during the investigation. Cedar Point reopened the ride in May 2014 but it would close in 2015.[31]
  • On July 7, 2014, a teenager was killed after his harness sprung open on Inferno, a ZacSpin fourth-dimension roller coaster at Terra Mítica in Benidorm, Spain.[32]
  • On May 9, 2017, an 11-year-old girl, Evha Jannath, died from her injuries after she fell from the Splash Canyon ride and into the water at Drayton Manor Theme Park in England. The water ride remained closed between 2017 and 2021 following the HSE safety examination. It reopened as River Rapids in 2021, rethemed and refurbished into a tamer ride with gated boats.[33][34]
  • On July 3, 2021, an 11-year-old boy died and five others were injured on the Raging River at Adventureland Park in Altoona, Iowa when their raft flipped over. The raft was found to be under inflated by the park staff, and the ride's emergency drainage system failed due to lack of maintenance.[35][36]
  • On August 15, 2021, a female guest was seriously injured while standing in line at Cedar Point when a metal object dislodged from Top Thrill Dragster and struck her in the head.[37] The ride was shut down following the incident, and remained standing but not operating until Cedar Point announced its retirement in 2022.[38] In 2024, the ride would reopen as Top Thrill 2, following significant modifications.
  • On April 7, 2023, two female guests were injured at Futuroscope, a French theme park, when a lithium battery on a train car caught fire. The guests suffered burns and were hospitalized. Park employees exposed to lithium fumes were treated on premises. The ride has reopened in June without the spinning feature.[39]

Notes

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References

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[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Intamin

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Intamin Amusement Rides International Corporation Establishment (Intamin) is a Swiss-origin, Liechtenstein-headquartered manufacturer of amusement park rides and roller coasters, renowned for its innovative engineering and record-breaking attractions since its founding in 1967. Originally established in Bern, Switzerland, by brothers Reinhold and Robert Spieldiener along with associate Alfons "Ali" Saiko, the company began as a small family operation in a modest apartment and has since expanded into a global enterprise with approximately 150 employees as of 2025 across multiple independent subsidiaries worldwide. Headquartered at Landstrasse 126 in Schaan, Liechtenstein, Intamin designs, engineers, and manufactures a diverse portfolio of more than 100 ride types, including roller coasters, water rides, vertical towers, immersive attractions, swing rides, observation wheels, and monorail systems such as the P6, P8, and P30 models. The company has delivered over 1,000 installations globally, emphasizing safety, precision, and cutting-edge technologies like linear synchronous motor (LSM) launches and magnetic braking systems. Notable innovations include the Thunder River river rapids ride introduced in 1980, the 182-meter-tall observation tower in Argentina in 1979, and the Formula Rossa roller coaster, which achieved a world-record speed of 240 km/h in 2010. Intamin's contributions to the amusement industry have earned it numerous accolades, including multiple Golden Ticket Awards and European Star Awards for ride innovations and record-breaking coasters over its more than 50-year history. The company continues to push boundaries, as evidenced by recent developments like the world's first Ultra Surf coaster, Georgia Gold Rusher, which opened at Six Flags Over Georgia on March 15, 2025. Under the leadership of CEO Patrick Spieldiener, Intamin remains committed to creating thrilling, reliable experiences that drive the success of theme parks and attractions around the world.

History

Founding and early development

Intamin was founded in 1967 in Bern, Switzerland, by brothers Reinhold Spieldiener and Robert Spieldiener along with their close associate Alfons "Ali" Saiko. Operating initially from a small apartment office, the company concentrated on developing innovative amusement ride systems and transportation solutions, with a primary emphasis on the North American market. This foundational period established Intamin as a pioneer in engineering compact, reliable attractions tailored to emerging theme park demands. The company's early product lineup featured distinctive rides such as the Gyro Tower observation ride, the Drunken Barrel spinner, and the Gondoletta boat ride, which debuted in the late 1960s and helped build its reputation for creative engineering. By the 1970s, Intamin diversified into transportation infrastructure, introducing monorail systems like the P6, P8, and P30 models designed for efficient people-moving in urban and park settings. Amusement innovations continued with attractions like the Flying Dutchman flume ride and Looping Starship, alongside the development of hydraulic propulsion technologies that achieved speeds up to 90 km/h in early prototypes. In 1979, Intamin constructed the Torre Espacial observation tower at 90 meters in Parque de la Ciudad, Buenos Aires, Argentina, and collaborated on the pioneering Thunder River river rapids ride, which opened at Six Flags AstroWorld in 1980 and set a standard for water-based attractions. Growth accelerated in the early 1980s as Intamin ventured into new categories, including motion simulators through a dedicated Liechtenstein-based subsidiary and the first Free Fall ride at Six Flags Magic Mountain in 1982. The company marked its entry into roller coaster manufacturing with the Jr. Gemini kiddie coaster at Cedar Point in 1979, followed by prefab wooden designs like the dueling American Eagle at Six Flags Great America in 1981, which utilized laminated wood tracks for enhanced precision and durability. To support expanding operations, Intamin established Intamin Ltd. in Glen Burnie, Maryland, facilitating major installations and exports to Europe and Asia by 1985, solidifying its global footprint in the amusement industry.

Ownership and organizational changes

Intamin has maintained its status as a privately held, family-owned enterprise since its founding in 1967 by brothers Reinhold and Robert Spieldiener along with Alfons Saiko, with ownership remaining in the hands of the Spieldiener family across three generations. A significant organizational change occurred in 1980, when the company divided its operations, establishing a separate simulator-focused entity in Liechtenstein while the core amusement rides division continued in Switzerland. This restructuring allowed for specialized development in distinct product lines, enhancing operational efficiency without altering overall ownership. By the 1990s and into the 2000s, Intamin solidified its international presence through steady growth as a family business, avoiding major corporate mergers or sales and focusing on internal expansion. The company navigated industry challenges, such as economic fluctuations affecting theme park investments, by prioritizing innovation and reliability in ride manufacturing. As of 2025, Intamin operates from its headquarters in Schaan, Liechtenstein, under the leadership of CEO Patrick Spieldiener, who has been involved with the company for over 35 years and represents the third generation of family stewardship. It functions as part of a network of independent entities, all under family ownership, which supports diversified operations across continents. These organizational developments have enabled the expansion of manufacturing facilities worldwide, including sites in Switzerland (Wollerau), Germany (Rüscheid), the Netherlands (Apeldoorn), the United States (Glen Burnie, MD), China (Shanghai), Japan (Tokyo), and Korea (Seoul). This global footprint has bolstered Intamin's market position by facilitating localized production, reducing logistics costs, and accelerating delivery timelines for international clients. Post-restructuring emphasis on research and development has driven advancements in ride technologies, such as linear synchronous motor systems and immersive attractions, sustaining the company's reputation for cutting-edge designs.

Products and technologies

Amusement ride systems

Intamin specializes in a range of advanced amusement ride systems designed for thrill-seeking experiences, emphasizing engineering innovations in propulsion, track design, and passenger comfort. These systems include various roller coaster configurations and vertical thrill rides, all engineered to deliver high-speed dynamics and intense forces while prioritizing safety and reliability. Among Intamin's roller coaster offerings, steel hypercoasters, classified as mega or giga coasters, feature towering heights and steep drops that can exceed vertical angles, providing prolonged weightlessness and high velocities through precisely contoured tracks. Launched coasters employ either hydraulic catapults or linear synchronous motor (LSM) systems for rapid propulsion, enabling multiple launches and accelerations that propel trains to extreme speeds without traditional lifts. Additionally, prefabricated wooden coasters utilize factory-precision track sections to achieve smoother operation compared to traditional wooden designs, combining the aesthetic and tactile appeal of wood with modern engineering for reduced vibration and enhanced airtime moments. Beyond roller coasters, Intamin's ride portfolio includes drop towers such as the Gyro Drop, which incorporates a rotating passenger ring for gyroscopic stabilization during ascent and freefall, minimizing sway and enhancing the thrill of sudden drops from significant heights. Water coasters integrate roller coaster elements with aquatic transitions, featuring steep plunges into pools that blend high-speed railing with splash effects for immersive wet rides. Multi-dimensional attractions like the ZacSpin represent 4D free-spin coasters, where vehicles rotate independently around a compact track, delivering unpredictable spins and lateral forces through specialized seating mechanisms. Key technologies underpinning these systems include LSM propulsion, which uses electromagnetic fields along the track to generate precise, high-acceleration launches—capable of reaching speeds over 120 mph in mere seconds—offering efficient, repeatable performance without mechanical wear. Track construction often incorporates advanced materials, such as fiberglass-reinforced plastics in ride components, to ensure durability, reduced noise, and smoother passenger experiences across steel and hybrid designs. In the 2010s, Intamin introduced innovations like virtual reality (VR) integration into existing ride platforms, enhancing sensory immersion on coasters and water rides by overlaying dynamic 360-degree visuals synchronized with motion, as demonstrated in installations featuring LSM-launched trains and interactive water elements.

Transportation and urban solutions

Intamin Transportation, a division of Intamin, specializes in engineering automated transit systems for urban environments, including monorails and people movers designed to enhance public mobility in cities, airports, and commercial hubs. These solutions emphasize flexibility in route planning, low construction and operational costs, and high levels of automation to support efficient passenger flow. Monorail systems from Intamin include straddle-beam designs with linear motor propulsion for urban transport capable of handling up to 20,000 passengers per hour in peak operations. The P30 People Mover, a flagship straddle-beam monorail, features trains accommodating 210 passengers each and utilizes a communications-based automatic train guidance system for reliable performance in dense urban settings, as seen in installations like the Moscow Monorail, which spans 4.7 kilometers with seven stations. The P8 straddle-beam monorail offers lighter-capacity options for medium-volume routes, providing enhanced passenger comfort through elegant train designs and serving applications in exhibitions and leisure centers, as in the Xi'an Qujiang loop system. Additionally, Intamin contributed to early personal rapid transit (PRT) concepts in the 1990s, developing automated pod systems with linear induction motors for non-stop, on-demand urban travel. Intamin's automated guided transit (AGT) people-mover solutions extend to cable-propelled and electric variants, integrating linear induction motors for smooth, energy-efficient operation in constrained urban spaces like airports and shopping malls. The P6 light monorail, for instance, supports up to 18 passengers per train in looped systems with multiple stations, as demonstrated in the Ningbo installation serving local transit needs. For urban observation, Intamin engineers Ferris wheel variants adapted for public viewing platforms, emphasizing structural integrity and passenger capacity in cityscapes. As of 2025, Intamin has advanced eco-friendly electric monorails incorporating renewable energy technologies, such as solar integration and low-emission propulsion, to align with sustainable city planning initiatives. The Bologna Marconi Express project in Italy exemplifies this, featuring solar energy generation and clean propulsion for enhanced urban connectivity. Similar advancements appear in Asian projects like the Xi'an monorail, which utilizes Intamin's P8 trains for efficient loop systems. These systems prioritize reduced environmental impact while maintaining high capacities for growing metropolitan demands.

Notable installations

Iconic roller coasters

Intamin's Millennium Force, opened in 2000 at Cedar Point in Sandusky, Ohio, marked a pivotal moment in roller coaster design as the world's first giga coaster, a category defined for rides exceeding 300 feet in height. This Intamin steel coaster features a 310-foot lift hill followed by a 300-foot drop at an 80-degree angle, propelling riders to 93 mph, and its innovative cable lift system enabled unprecedented scale while maintaining smooth operation. By establishing the giga coaster classification in collaboration with Cedar Point, Millennium Force sparked a trend toward ever-taller hypercoasters, solidifying the park's status as a global leader in thrill ride innovation and drawing record attendance in its debut year. In 2024, Cedar Point unveiled Top Thrill 2, a reimagined version of the original Top Thrill Dragster, co-manufactured by Intamin and Zamperla as the world's tallest and fastest triple-launch strata coaster. Following the 2022 demolition of the 2003 Intamin original due to reliability issues, this 420-foot-tall strata coaster (exceeding 400 feet) incorporates three linear synchronous motor launches, culminating in a top speed of 120 mph and a beyond-vertical drop. The redesign enhanced accessibility and throughput, revitalizing the attraction's role as a marquee draw and reinforcing Cedar Point's legacy of pushing height and speed boundaries in strata coasters. Formula Rossa, Intamin's 2010 installation at Ferrari World Abu Dhabi, holds the distinction of the world's fastest roller coaster at 149 mph (240 km/h), achieved via a hydraulic launch that accelerates riders from 0 to top speed in 4.9 seconds. Engineered with protective goggles for riders to shield against desert sand and debris in the UAE's extreme heat—where temperatures often exceed 100°F (38°C)—the coaster's 1.5-mile track includes a 173-foot airtime hill, blending high-speed thrills with adaptations for harsh environmental conditions. This landmark ride not only elevated Ferrari World's profile as a premier themed destination but also demonstrated Intamin's expertise in extreme acceleration systems for global markets. Other Intamin icons include Kingda Ka at Six Flags Great Adventure, which opened in 2005 as the tallest roller coaster at 456 feet and fastest in the U.S. at 128 mph, using a hydraulic launch to redefine strata coaster extremes following the 2003 Top Thrill Dragster. Similarly, Jurassic World VelociCoaster, debuting in 2021 at Universal's Islands of Adventure, integrates dual linear synchronous motor launches reaching 70 mph with four inversions and raptor-themed storytelling, earning acclaim as one of the most immersive and intense family coasters and boosting park attendance through its seamless blend of narrative and engineering. In March 2025, Six Flags Over Georgia opened Georgia Gold Rusher, Intamin's first Ultra Surf coaster and the world's inaugural multi-launch surf-style roller coaster. This 2,200-foot track features three launches up to 60 mph, a 108-degree beyond-vertical drop from 95 feet, and wave-like airtime hills inspired by Georgia's gold rush history, accommodating 24 riders per train in surfing-themed vehicles for high-throughput family thrills. The ride's innovative inclined launches and magnetic braking system highlight Intamin's ongoing advancements in accessible, thematic coasters.

Other landmark attractions

Intamin has engineered several landmark attractions beyond roller coasters that have redefined categories like observation wheels, drop towers, and water rides through innovative engineering and immersive experiences. These installations highlight the company's expertise in blending thrill, technology, and theming to create enduring global icons. The Wheel at ICON Park, opened in 2015 in Orlando, Florida, stands as a 400-foot-tall observation wheel featuring 30 fully enclosed, climate-controlled gondolas, each accommodating up to 40 passengers for panoramic views of the city skyline and surrounding attractions. Constructed over two years with advanced engineering to ensure smooth rotation, it incorporates vibrant LED lighting for nighttime spectacles, enhancing its role as a visual landmark. At the time of its debut, it was the tallest observation wheel on the United States East Coast, drawing millions of visitors and setting a standard for urban entertainment integration. Tower of Terror II, introduced in 1997 at Dreamworld in Queensland, Australia, which operated until 2019, pioneered accelerated freefall technology as Intamin's first Reverse Freefall Coaster, launching vehicles to 377 feet at speeds up to 100 mph before a 328-foot (100 m) backward freefall drop. This LSM-propelled shuttle ride simulated a towering plummet with 4.5 G-forces, lasting 28 seconds and accommodating up to 1,200 riders per hour, influencing subsequent drop tower designs worldwide. Its innovative electromagnetic acceleration system marked a shift from traditional cable drops, emphasizing precision control and rider safety in high-thrill vertical experiences. Valhalla at Blackpool Pleasure Beach in the United Kingdom, originally launched in 2000 and refurbished in 2023, exemplifies Intamin's multi-element water ride innovation with a flume-style system reaching speeds of 43 mph over multiple drops up to 62 feet, culminating in immersive Viking-themed effects including pyrotechnics, fireballs, and over 1.5 million gallons of water per cycle. Housed in a massive show building, the ride uses 12 boats to deliver a narrative journey through elemental chaos, with state-of-the-art audio-visuals and water tunnels creating one of the wettest attractions globally. Recognized as Europe's best water ride in 2025, it underscores Intamin's focus on thematic depth and sensory immersion in water-based thrills.

Incidents and safety

Significant accidents

One of the earliest major incidents involving an Intamin ride occurred on August 22, 1999, at Paramount's Great America in Santa Clara, California, where a 12-year-old boy fell approximately 130 feet from the Drop Zone drop tower after the ride's safety harness failed to secure him properly. The boy, who was seated in the front row, slipped through the opening in the restraint system during the ascent, resulting in his death upon impact with the ground; park officials attributed the failure to a human error in loading, though investigations highlighted design vulnerabilities in the harness mechanism. On June 21, 2007, at Six Flags Kentucky Kingdom in Louisville, Kentucky, a cable on the Superman: Tower of Power drop tower snapped during operation, striking a 13-year-old girl and severing both her feet above the ankles. The girl was airlifted to a hospital, where she underwent emergency surgery and survived but faced long-term rehabilitation; the National Amusement Park Ride Safety and Liability Act investigation revealed the cable had degraded due to insufficient maintenance and lubrication, leading to the ride's removal in 2008. The Xcelerator launched roller coaster at Knott's Berry Farm in Buena Park, California, experienced a severe malfunction on September 16, 2009, when the launch cable snapped during a cycle, sending metal debris flying into passengers and injuring two people, including a 12-year-old boy who suffered severe leg lacerations requiring multiple surgeries. The California Division of Occupational Safety and Health report cited extreme cable fatigue from repeated stress cycles as the cause, resulting in the ride's closure for over a year, multiple lawsuits settled out of court, and mandated upgrades to Intamin's hydraulic launch systems. More recently, on June 5, 2023, the Kingda Ka strata coaster at Six Flags Great Adventure in Jackson, New Jersey—the world's tallest roller coaster—suffered a launch cable failure while a fully loaded train was positioned on the track, causing the cable to whip violently but resulting in no injuries as the train was safely returned to the station. New Jersey amusement ride inspectors confirmed the snap occurred due to wear on the catch-and-release mechanism, leading to an indefinite closure for repairs and a comprehensive overhaul of the ride's propulsion system. The ride remained closed through 2024 and was permanently shuttered, with demolition occurring in February 2025 due to ongoing reliability concerns.

Safety innovations and responses

Intamin has advanced its restraint systems over the years to prioritize rider security and comfort, particularly in high-thrill launched coasters. Early designs incorporated lap bars, but the company shifted toward over-the-shoulder (OTS) lap bar restraints in models like the LSM Launch Coaster and Vertical Launch Coaster, which feature ergonomically shaped seats that secure passengers while allowing greater freedom of movement during intense maneuvers. These OTS systems include padded harnesses with dual-locking mechanisms to prevent unintended releases, enhancing reliability on rides experiencing rapid accelerations and inversions. In response to safety concerns raised by past incidents, Intamin has collaborated with industry bodies like ASTM International's F24 committee to refine global standards for ride design, operation, and maintenance. This includes enhanced operator training protocols emphasizing real-time diagnostics and emergency procedures, implemented across installations since the late 2000s to mitigate risks from high-stress components. Onboard sensors in modern Intamin rides, such as those in launch systems, provide continuous monitoring of speed, position, and mechanical integrity, enabling automatic emergency stops (E-Stops) if anomalies like launch failures are detected—a feature standardized in post-2010 designs. Retrofit programs represent a key aspect of Intamin's safety responses, updating older installations to meet contemporary standards. For instance, the 2024 refurbishment of Skyrush at Hersheypark replaced original restraints with advanced lap bar systems and floorless seats, undergoing rigorous testing to ensure compliance with updated industry guidelines and reduce discomfort-related risks. Similar upgrades in 2022 targeted legacy coasters like those at Cedar Point, incorporating reinforced track elements and sensor arrays to extend operational safety.

References

  1. https://www.intamin.com/company/about-us/
  2. https://www.linkedin.com/company/intaminofficial
  3. https://www.intamin.com/wp-content/uploads/2022/07/Image_Company_Brochure_2022_def_WebDP.pdf
  4. https://www.intamin.com/company/records-awards/golden-ticket-awards/
  5. https://www.intamin.com/category/news/
  6. https://rcdb.com/6837.htm
  7. https://www.planetattractions.com/news/WATCH:-Intamin%25E2%2580%2599s-Lukas-Spieldiener-on-company%25E2%2580%2599s-immersive-projects/2904
  8. https://www.liechtensteinusa.org/article/roller-coasters-made-in-liechtenstein
  9. https://pitchbook.com/profiles/company/514990-54
  10. https://www.ey.com/en_gl/weoy/class-of-2023/liechtenstein
  11. https://www.intamin.com/company/locations/
  12. https://www.intamin.com/
  13. https://www.intamin.com/products/roller-coaster/
  14. https://www.intamin.com/product/lsm-launch-coaster/
  15. https://www.intamin.com/product/wooden-coaster/
  16. https://www.intamin.com/product/gyro-drop/
  17. https://www.intamin.com/product/water-coaster/
  18. https://www.intamin.com/product/zac-spin-coaster/
  19. https://www.intamin.com/2025/03/06/intamin-sustainability-reducing-the-energy-consumption/
  20. https://www.youtube.com/watch?v=G0yUT6qti9Y
  21. https://www.youtube.com/watch?v=2Fi-ButQUis
  22. https://www.intamintransportation.com/
  23. https://www.intamintransportation.com/product/people-mover-p30/
  24. https://www.scmp.com/article/1206322/amusement-ride-leader-accelerates-monorail-production
  25. https://www.monorails.org/tMspages/Where.html
  26. https://www.intamin.com/wp-content/uploads/2024/09/INTAMIN_OverviewNEW_2024_small.pdf
  27. https://www.intamintransportation.com/project/xian/
  28. https://www.intamintransportation.com/wp-content/uploads/2020/12/ITL2020_Flyer_P6.pdf
  29. https://www.intamintransportation.com/project/ningbo/
  30. https://www.intamin.com/product/giant-wheel/
  31. https://www.intamintransportation.com/project/bologna/
  32. https://www.sixflags.com/cedarpoint/attractions/millennium-force
  33. https://www.guinnessworldrecords.com/world-records/438138-first-giga-rollercoaster
  34. https://www.sixflags.com/cedarpoint/attractions/top-thrill-2
  35. https://www.prnewswire.com/news-releases/cedar-points-record-breaking-top-thrill-2-roller-coaster-opens-saturday-302131581.html
  36. https://www.ferrariworldabudhabi.com/en/rides/formula-rossa
  37. https://www.themeparkjames.co.uk/theme-parks/middle-east/uae/ferrari-world/rides/formula-rossa/
  38. https://www.intamin.com/project/georgia-gold-rusher/
  39. https://www.sixflags.com/overgeorgia/attractions/georgia-gold-rusher
  40. https://www.intamin.com/project/the-wheel-at-icon-park/
  41. https://iconparkorlando.com/blog/wheel-works-with-icon-park-the-wheel-part-3/
  42. https://iconparkorlando.com/media-room/the-wheel-at-icon-park-now-open/
  43. https://rcdb.com/1127.htm
  44. https://www.intamin.com/project/tower-of-terror-ii/
  45. https://captaincoaster.com/en/coasters/321/tower-of-terror-ii-dreamworld
  46. https://interpark.co.uk/latest-news/pleasure-beach-resort-valhalla-named-europes-best-water-ride/
  47. https://www.blackpoolpleasurebeach.com/valhalla/
  48. https://blooloop.com/theme-park/news/blackpool-pleasure-beach-valhalla-reopening/
  49. https://www.latimes.com/archives/la-xpm-2001-oct-26-me-61741-story.html
  50. https://www.nbcnews.com/id/wbna19370592
  51. https://www.latimes.com/travel/la-xpm-2011-aug-26-la-trb-knotts-xcelerator-coaster-accident-08201126-story.html
  52. https://abc7.com/archive/7021497/
  53. https://www.app.com/story/news/local/jackson-lakewood/jackson/2023/06/16/six-flags-great-adventure-nj-kingda-ka-closed-open/70329581007/
  54. https://www.usatoday.com/story/travel/experience/theme-parks/2025/02/21/kingda-ka-demolition-six-flags-great-adventure/79413031007/
  55. https://www.intamin.com/2024/04/08/skyrush-refurbishment-how-we-enhanced-a-beloved-experience/
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