Specialist capabilities
Aircraft systems
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Aircraft systems
Aircraft systems
Aircraft systems

Aircraft systems

Ultra is a world leader in high integrity electronic systems for military and civil aerospace applications. These range from airframe control systems, landing gear control systems and active noise cancellation and vibration control systems through to pioneering electro-thermal ice protection systems for the wing leading edge and engine intake of civil and military aircraft. Ultra supplies systems for the detection and monitoring of structural anomalies, including cracks, and supplies a wide selection of high reliability temperature sensors.



High integrity harnesses

Ultra’s services range from providing a simple point-to-point power harness, through to full design support for more complex harness systems. Many harnesses are hand assembled, using high grade materials to ensure product reliability in the toughest of environments. These can include integrated switchboxes and multi-layered screening can be used for EMI filtering where required. Harnessing solutions are provided for a large range of applications, from aircraft fuel system measurement and gauging to MIL-STD-1553 physical layer testing, CANbus, ARINC-429 and Ethernet data buses. In addition, harnesses for digital and analogue video, discrete signal, power and fibre optics can also be provided.

High integrity harnesses

Ultra’s services range from providing a simple point-to-point power harness, through to full design support for more complex harness systems. Many harnesses are hand assembled, using high grade materials to ensure product reliability in the toughest of environments. These can include integrated switchboxes and multi-layered screening can be used for EMI filtering where required. Harnessing solutions are provided for a large range of applications, from aircraft fuel system measurement and gauging to MIL-STD-1553 physical layer testing, CANbus, ARINC-429 and Ethernet data buses. In addition, harnesses for digital and analogue video, discrete signal, power and fibre optics can also be provided.



Fuel tank inerting

Ultra has developed a fuel inerting systems capability for civil and military aircraft. The capability is a natural progression from Ultra’s pneumatic systems work on the F-35, 5th Generation Fighter and other military gas separation projects for the US Army. Ultra, with partners, can offer the complete range of equipment and services from initial design studies up to delivery of qualified equipment and support through to certification.

Fuel tank inerting

Ultra has developed a fuel inerting systems capability for civil and military aircraft. The capability is a natural progression from Ultra’s pneumatic systems work on the F-35, 5th Generation Fighter and other military gas separation projects for the US Army. Ultra, with partners, can offer the complete range of equipment and services from initial design studies up to delivery of qualified equipment and support through to certification.



Landing gear, steering, door and hydraulic control systems (controls)

When part of an aircraft moves from one position to another, such as landing gear extending and retracting or passenger doors opening and closing, the movement needs to be reliably and accurately monitored and controlled. Ultra is able to help aircraft manufacturers or larger system suppliers define their requirements and then to design, develop, manufacture and support position sensing and control technologies for both military and civil aircraft.

Ultra supplies landing gear control units, steering, door and hydraulic position sensing and control products to a wide range of aircraft including: Airbus A330/340 families; Boeing 787 Dreamliner; Gulfstream G650; Airbus A400M; Eurofighter Typhoon; Mitsubishi Regional Jet; Embraer KC-390.

Landing gear, steering, door and hydraulic control systems (controls)

When part of an aircraft moves from one position to another, such as landing gear extending and retracting or passenger doors opening and closing, the movement needs to be reliably and accurately monitored and controlled. Ultra is able to help aircraft manufacturers or larger system suppliers define their requirements and then to design, develop, manufacture and support position sensing and control technologies for both military and civil aircraft.

Ultra supplies landing gear control units, steering, door and hydraulic position sensing and control products to a wide range of aircraft including: Airbus A330/340 families; Boeing 787 Dreamliner; Gulfstream G650; Airbus A400M; Eurofighter Typhoon; Mitsubishi Regional Jet; Embraer KC-390.



Pressurisation systems

Ultra is the leading manufacturer of compact on-board gas solutions, including compact gas compressors called HiPPAG™, for the defence industry worldwide. Applications include cryogenic cooling systems, stores ejection/release systems and pneumatic systems. These capabilities, coupled with Ultra’s advanced filtration technology, have led to the development of a wide range of pure air and oxygen generating products. These products feature increased reliability, whilst reducing the logistics footprint by removing the need for the replacement of refillable gas canisters.

Pressurisation systems

Ultra is the leading manufacturer of compact on-board gas solutions, including compact gas compressors called HiPPAG™, for the defence industry worldwide. Applications include cryogenic cooling systems, stores ejection/release systems and pneumatic systems. These capabilities, coupled with Ultra’s advanced filtration technology, have led to the development of a wide range of pure air and oxygen generating products. These products feature increased reliability, whilst reducing the logistics footprint by removing the need for the replacement of refillable gas canisters.



Structural integrity monitoring

asis, Ultra’s new structural health monitoring system, has been developed to enable the early detection of cracks within the metal structure of military aircraft. Earlier, easier detection of cracks reduces maintenance costs, increases safety and could extend the life of aircraft which might otherwise be grounded.

Ultra’s asis provides the operator with useful and specific information about the presence and location of potential cracks. It provides this information between normal inspection intervals. This allows maintenance to be efficiently planned and results in increased airframe availability. The data remains under the control of the operator and is presented in such a way that expert analysis is not required.

Structural integrity monitoring

asis, Ultra’s new structural health monitoring system, has been developed to enable the early detection of cracks within the metal structure of military aircraft. Earlier, easier detection of cracks reduces maintenance costs, increases safety and could extend the life of aircraft which might otherwise be grounded.

Ultra’s asis provides the operator with useful and specific information about the presence and location of potential cracks. It provides this information between normal inspection intervals. This allows maintenance to be efficiently planned and results in increased airframe availability. The data remains under the control of the operator and is presented in such a way that expert analysis is not required.


Electro-thermal ice protection

Ultra is providing the innovative electro-thermal ice protection system for the leading edge of Boeing’s new 787 composite aircraft wing. The system is designed to provide high availability and low cost of ownership and is a key enabler of the advanced wing design which will contribute to the 787’s high fuel-efficiency. Ultra’s specialist capability has been further endorsed by selection to provide engine intake and lift fan (STOVL variant) ice protection for the F-35 Joint Strike Fighter aircraft. This system also incorporates custom, rugged harnesses and connectors from other Ultra businesses. Ultra’s systems are designed to operate in either an anti-icing, de-icing or hybrid mode.

Electro-thermal ice protection

Ultra is providing the innovative electro-thermal ice protection system for the leading edge of Boeing’s new 787 composite aircraft wing. The system is designed to provide high availability and low cost of ownership and is a key enabler of the advanced wing design which will contribute to the 787’s high fuel-efficiency. Ultra’s specialist capability has been further endorsed by selection to provide engine intake and lift fan (STOVL variant) ice protection for the F-35 Joint Strike Fighter aircraft. This system also incorporates custom, rugged harnesses and connectors from other Ultra businesses. Ultra’s systems are designed to operate in either an anti-icing, de-icing or hybrid mode.


Active noise and vibration control

Ultra is a leading supplier of aircraft active noise and vibration control products. To date, Ultra’s systems are installed in more than 1200 aircraft worldwide. These aircraft include Bombardier’s Q-series, Beechcraft King Air, Saab 340 and 2000, and Lockheed C-130. Ultra’s systems are designed to reduce the cabin noise and vibration generated by the aircraft’s propellers.

The system uses an array of sensors (both microphones and accelerometers) to measure the noise and vibration in the cabin and an array of actuators (either loudspeakers or vibration actuators) to cancel this noise. All of the system components are hidden behind the aircraft trim and provide noise control where it is needed, at the passenger’s head-height.

Active noise and vibration control

Ultra is a leading supplier of aircraft active noise and vibration control products. To date, Ultra’s systems are installed in more than 1200 aircraft worldwide. These aircraft include Bombardier’s Q-series, Beechcraft King Air, Saab 340 and 2000, and Lockheed C-130. Ultra’s systems are designed to reduce the cabin noise and vibration generated by the aircraft’s propellers.

The system uses an array of sensors (both microphones and accelerometers) to measure the noise and vibration in the cabin and an array of actuators (either loudspeakers or vibration actuators) to cancel this noise. All of the system components are hidden behind the aircraft trim and provide noise control where it is needed, at the passenger’s head-height.


Propeller balance monitoring system (PBMS)

Ultra’s active noise controller is capable of monitoring the vibration caused by propeller imbalance. It monitors this during normal service flying. The PBMS can be installed in conjunction with active noise and vibration control, or as a stand-alone system. To add PBMS to the active noise control system requires the addition of a single accelerometer per engine. The operator determines the balance solution using an intuitive laptop-based user interface.

As Ultra’s system uses flight data, it provides a superior balance solution to systems which rely on ground running for propeller balance. Up to four engines can be monitored simultaneously and there is no requirement for dedicated flights or ground runs.

Propeller balance monitoring system (PBMS)

Ultra’s active noise controller is capable of monitoring the vibration caused by propeller imbalance. It monitors this during normal service flying. The PBMS can be installed in conjunction with active noise and vibration control, or as a stand-alone system. To add PBMS to the active noise control system requires the addition of a single accelerometer per engine. The operator determines the balance solution using an intuitive laptop-based user interface.

As Ultra’s system uses flight data, it provides a superior balance solution to systems which rely on ground running for propeller balance. Up to four engines can be monitored simultaneously and there is no requirement for dedicated flights or ground runs.



Propeller control

Ultra has a long history in the design, development and production of high integrity, safety-critical control systems. In many cases, these products are located in very harsh (high temperature/high vibration) environments, such as engine casings and nacelles. An example of this is the propeller electronic controller supplied to the Bombardier Q400 aircraft. This unit provides the critical interface and control between the engine electronic controller and the pitch actuation system. It incorporates a dual-lane architecture featuring a number of interlocks to ensure safety, including propeller ‘autofeather’ function and is designed to Design Assurance Level A.

Propeller control

Ultra has a long history in the design, development and production of high integrity, safety-critical control systems. In many cases, these products are located in very harsh (high temperature/high vibration) environments, such as engine casings and nacelles. An example of this is the propeller electronic controller supplied to the Bombardier Q400 aircraft. This unit provides the critical interface and control between the engine electronic controller and the pitch actuation system. It incorporates a dual-lane architecture featuring a number of interlocks to ensure safety, including propeller ‘autofeather’ function and is designed to Design Assurance Level A.



Temperature sensors

Ultra is an innovative supplier of temperature instrumentation for the OEM, military/civil aerospace, process industry and nuclear power markets. Ultra has proven capabilities to not only design temperature sensing devices for extremely demanding applications, but also meet the unique requirements of its customers. Ultra has provided sensors to measure temperature in aircraft environmental control systems, wing de-icing, fluid immersion and engine test stands. The Group also has the capability to design and manufacture sensors for the demanding brake and surface temperature measurement market segments.

Temperature sensors

Ultra is an innovative supplier of temperature instrumentation for the OEM, military/civil aerospace, process industry and nuclear power markets. Ultra has proven capabilities to not only design temperature sensing devices for extremely demanding applications, but also meet the unique requirements of its customers. Ultra has provided sensors to measure temperature in aircraft environmental control systems, wing de-icing, fluid immersion and engine test stands. The Group also has the capability to design and manufacture sensors for the demanding brake and surface temperature measurement market segments.



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