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November 2015

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Brüel & Kjær has introduced the PULSE Reflex Acoustic Camera, designed to locate noises in aircraft cabins, cockpits and other areas. Cabin noise, acoustic leaks, as well as buzz, squeak and rattle can be major problems, with persistent, irritating sounds negatively affecting customers’ perceptions. Small noises can also develop over time, so testers need to hunt and eliminate them rigorously. Especially during expensive flight tests, noise source location must be fast.


The camera is a complete kit for real-time noise source identification and data recording that has been designed to be up and running in 20 seconds. It makes it easy to identify and measure non-stationary noise events in areas such as aircraft cabins, cargo bays and passenger vehicles. It gives an instant sound map of the object that it is focused on. Mounted on the handheld microphone array is a tablet that displays the sound map, laid over a real-time video of the target. Colour-coded noise contours show the strength of the sound, from which the user can easily determine the sound’s source – from the brightest contours. Good maps allow reliable ranking of noise sources in order of importance.


As the acoustic camera displays and analyses noise in real-time, it can also map moving objects, and users can walk and move around with it. Once they identify an area of interest they can take a screenshot or video using the built-in optical camera, which helps to easily explain and refer to the measurements later on. Recorded data can be exported for post processing, where transient sounds can be replayed and adjusted for frequency, to help analyse them in detail.


Lufthansa Technik Logistik Services (LTLS) has introduced gate.control to identify aircraft material in the international repair cycle. A patent has already been registered for the procedure and the gate.control box. The mobile box, measuring just one cubic metre in size, allows, for the first time, a comprehensive information package of the aircraft components being shipped to be compiled directly at the customer site. The box is fitted with a camera system, associated IT equipment and scanners for generating comprehensive electronic photographic documentation. Standardised software controls the data input from the scanning of the documents to the photographing of the packaging through to the overview and detailed photographs and then transmits the data package to the responsible technical department in LTLS. Specially trained LTLS employees are responsible for carrying out the binding identity and quantity control as well as certificate checks. All data is finally input into the booking systems while the documents created are sent back to the providers locally.


ST Aerospace secured new contracts worth $410 million in the third quarter of 2015. Included in the contracts are heavy airframe maintenance agreements for various Boeing 777-300 and Airbus A319/A321 aircraft belonging to a US airline, as well as cabin interior modification for another US carrier’s fleet of A319s. For component support, ST Aerospace secured its first landing gear input from a Chinese airline customer, and an engine component repair contract from a major East Asian airline. It also secured several Boeing 737NG landing gear overhaul and exchange contracts for airline operators in East Asia and Oceania. Additionally, the aerospace sector received a contract extension for the component maintenance-by-the-hour support of a fleet of Q400 over six years for an airline based in the EMEA region. Separately, its Hondo-based facility was awarded an aircraft part-out contract for two 757-200 aircraft. In terms of engine support, multiple contracts have been sealed with customers in Asia Pacific and the US for EcoPower engine wash services.


The company redelivered a total of 349 aircraft for airframe maintenance and modification work in the third quarter of this year. In addition to airframe redeliveries, a total of 11,618 components, 41 landing gears and 45 engines were processed, while 1,335 engine washes were conducted for both commercial and military customers.


The airframe facility in Singapore started line maintenance for an existing customer’s Boeing 787 fleet, while its Dresden-based airframe MRO joint venture with EFW received its first A380 for heavy maintenance. On component MRO, the company continues to develop repair capabilities for fan cowls for the GEnX and Trent 100 installed on Boeing 787 aircraft, as well as the fan cowls for the Trent 700 installed on the A330 aircraft. It also continued induction of high value repair capabilities for the Boeing 787 electrical systems. Additionally, its Singapore-based subsidiary Singapore Precision Repair and Overhaul signed an agreement with Messier-Bugatti-Dowty to remain as an authorised service for the latter’s landing gears installed on turboprops, helicopters and regional jets, as well as wheels, brakes and hydraulic components installed on various types. Separately, the aerospace sector received the SAR-21 Design Organisation Approval from the Civil Aviation Authority of Singapore, for the design and development of aircraft seating systems.

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