On this order Sikorsky will do the work in Stratford, Conn., and should be finished by December 2023. Its system architecture uses the MIL-STD-1553 avionics data bus the IEEE 1394b data bus 10/100 Base-T Ethernet and TIA/EIA-485 interface ports. The Sanmina-SCI FireComm Intercommunications Control System for the CH-53K uses digital processing techniques and controls. Related: Sikorsky prepares to build new batch of large CH-53K helicopters, avionics, and communications for Israel In addition to the CH-53K, CAAS avionics also has been selected for the CH-47F, MH-60T, MH-65E, and VH-60N aircraft. The Collins Aerospace CAAS avionics initially was developed for the Special Operations Forces' MH-47 and MH-60 helicopter fleets. It uses common reusable processing elements in an open-systems architecture based on commercial standards. The CAAS integrates several communications, navigation and mission subsystems through its Flight2 system. Other major subcontractors are GKN Aerospace in Redditch, England and Onboard Systems International in Vancouver, Wash.Ĭollins Aerospace is providing the company's Common Avionics Architecture System (CAAS) for the CH-53K. in San Jose, Calif., is providing the new helicopter's intercommunications system and Spirit AeroSystems in Wichita, Kan., is providing the CH-53 cockpit and cabin. Collins Aerospace segment in Cedar Rapids, Iowa, is providing the CH-53K's avionics management system Sanmina-SCI Corp. Related: Boeing receives $194.6 million order for special forces heavy-lift helicopters with digital common avionics The Marines plan to buy 227 CH-53K helicopters for about $23.3 billion. The CH-53K first flew in late 2015, and the helicopter was introduced to Marine Corps squadrons in 2018. It can operate at high altitudes, hot temperatures, and in degraded visual conditions sling load 36,000 pounds can fly faster than 200 knots can make 60-degree-angle bank turns can climb to 18,500 feet above sea level conduct 12-degree slope landings and takeoffs and can auto-jettison external loads, and survive gunfire. It will use the General Electric GE38-1B engine. A wider cargo hold to enable the new aircraft to carry a light combat vehicle internally, and will have new composite rotor blades. The CH-53K will have new engines and cockpit avionics layout, and will have more than twice the lift capacity and combat radius of the CH-53E. The CH-53K will conduct expeditionary heavy-lift transport of armored vehicles, equipment, and personnel to support distributed operations deep inland from a sea-based center of operations, Sikorsky officials say. The CH-53K sea-based, long range, helicopter is designed to provide three times the lift capability of its predecessor. Related: Boeing to build nine new MH-47G twin-rotor heavy-lift helicopters and avionics for U.S.
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