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Singapore Technologies Aerospace
ST Engineering Aerospace, formerly known as ST Aerospace, is the commercial aerospace entity of ST Engineering. Headquartered in Singapore, it has international offices and facilities located at aviation hubs in Asia-Pacific, Europe and the United States. ST Engineering's Commercial Aerospace business provides solutions for practically every stage of an aircraft life cycle, from design and engineering, original equipment manufacturing, nose-to-tail aftermarket and maintenance services as well as assets management and leasing. And also through passenger-to-freighter conversion or refurbishment, ST Engineering Aerospace gives ageing aircraft a new lease of life. ST Engineering Aerospace was established in 1975 to provide maintenance and support services to the Republic of Singapore Air Force (RSAF). Since then, it has diversified into various MRO capabilities for commercial and military aircraft through a number of strategic partnerships, acquisitions and investments. Major unde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Subsidiary
A subsidiary, subsidiary company or daughter company is a company owned or controlled by another company, which is called the parent company or holding company. Two or more subsidiaries that either belong to the same parent company or having a same management being substantially controlled by same entity/group are called sister companies. The subsidiary can be a company (usually with limited liability) and may be a government- or state-owned enterprise. They are a common feature of modern business life, and most multinational corporations organize their operations in this way. Examples of holding companies are Berkshire Hathaway, Jefferies Financial Group, The Walt Disney Company, Warner Bros. Discovery, or Citigroup; as well as more focused companies such as IBM, Xerox, and Microsoft. These, and others, organize their businesses into national and functional subsidiaries, often with multiple levels of subsidiaries. Details Subsidiaries are separate, distinct legal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wright J65
The Wright J65 was an axial-flow turbojet engine produced by Curtiss-Wright under license from Armstrong Siddeley. A development of the Sapphire, the J65 powered a number of US designs. Design and development Curtiss-Wright purchased a license for the Sapphire in 1950, with plans to have the production lines running in 1951. However a series of delays due to design changes by Curtiss-Wright, such as substituting the Sapphire's machined midsection solid forged diffuser frame with a fabricated one of welded nodular iron, led to its service introduction slipping two years. The fabricated assembly, a more practicable production job with about one fifth the cost, was subsequently adopted for the Sapphire. Another change addressed the Sapphire's only major problem. The Sapphire was found to work well through the entire RPM range without the compressor stalling, which allowed it to dispense with inlet guide vanes or other solutions found on contemporary designs. However, in service it w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eurocopter
Airbus Helicopters SAS (formerly Eurocopter Group) is the helicopter manufacturing division of Airbus. It is the largest in the industry in terms of revenues and turbine helicopter deliveries. Its head office is located at Marseille Provence Airport in Marignane, France, near Marseille. The main facilities of Airbus Helicopters are at its headquarters in Marignane, France, and in Donauwörth, Germany, with additional production plants in Brazil ( Helibras), Australia, Spain, Romania, the United Kingdom and the United States. The company was renamed from Eurocopter to Airbus Helicopters on 2 January 2014. In 2018, Airbus delivered 356 helicopters, a 54% share of the civil or parapublic market over five seats. History Airbus Helicopters was formed in 1992 as Eurocopter Group, through the merger of the helicopter divisions of Aérospatiale and DASA. The company's heritage traces back to Blériot and Lioré et Olivier in France and to Messerschmitt and Focke-Wulf in Germany. A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eurocopter EC-120B Colibri (D-HEHA) 03
Airbus Helicopters SAS (formerly Eurocopter Group) is the helicopter manufacturing division of Airbus. It is the largest in the industry in terms of revenues and turbine helicopter deliveries. Its head office is located at Marseille Provence Airport in Marignane, France, near Marseille. The main facilities of Airbus Helicopters are at its headquarters in Marignane, France, and in Donauwörth, Germany, with additional production plants in Brazil (Helibras), Australia, Spain, Romania, the United Kingdom and the United States. The company was renamed from Eurocopter to Airbus Helicopters on 2 January 2014. In 2018, Airbus delivered 356 helicopters, a 54% share of the civil or parapublic market over five seats. History Airbus Helicopters was formed in 1992 as Eurocopter Group, through the merger of the helicopter divisions of Aérospatiale and DASA. The company's heritage traces back to Blériot and Lioré et Olivier in France and to Messerschmitt and Focke-Wulf in Germany. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Takeoff
Takeoff is the phase of flight in which an aerospace vehicle leaves the ground and becomes airborne. For aircraft traveling vertically, this is known as liftoff. For aircraft that take off horizontally, this usually involves starting with a transition from moving along the ground on a runway. For balloons, helicopters and some specialized fixed-wing aircraft (VTOL aircraft such as the Harrier and the Bell Boeing V22 Osprey), no runway is needed. Horizontal Power settings For light aircraft, usually full power is used during takeoff. Large transport category (airliner) aircraft may use a reduced power for takeoff, where less than full power is applied in order to prolong engine life, reduce maintenance costs and reduce noise emissions. In some emergency cases, the power used can then be increased to increase the aircraft's performance. Before takeoff, the engines, particularly piston engines, are routinely run up at high power to check for engine-related problems. The air ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Countermeasure
A countermeasure is a measure or action taken to counter or offset another one. As a general concept, it implies precision and is any technological or tactical solution or system designed to prevent an undesirable outcome in the process. The first known use of the term was in 1923. "Countermeasure" defined Countermeasures can refer to the following disciplinary spectrum: * Medicine * Materials engineering * Electro-magnetic engineering * Policing * Information technology * Law * security * Pollution prevention * Aviation Defense countermeasures are often divided into ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flare (countermeasure)
A flare or decoy flare is an aerial infrared countermeasure used by a plane or helicopter to counter an infrared homing ("heat-seeking") surface-to-air missile or air-to-air missile. Flares are commonly composed of a pyrotechnic composition based on magnesium or another hot-burning metal, with burning temperature equal to or hotter than engine exhaust. The aim is to make the infrared-guided missile seek out the heat signature from the flare rather than the aircraft's engines. Tactics In contrast to radar- guided missiles, IR-guided missiles are very difficult to find as they approach aircraft. They do not emit detectable radar, and they are generally fired from behind, directly toward the engines. In most cases, pilots have to rely on their wingmen to spot the missile's smoke trail and alert of a launch. Since IR-guided missiles have a shorter range than their radar-guided counterparts, good situational awareness of altitude and potential threats continues to be an effective de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chaff (countermeasure)
Chaff, originally called Window by the British and ''Düppel'' by the Second World War era German Luftwaffe (from the Berlin suburb where it was first developed), is a radar countermeasure in which aircraft or other targets spread a cloud of small, thin pieces of aluminium, metallized glass fibre or plastic, which either appears as a cluster of primary targets on radar screens or swamps the screen with multiple returns, in order to confuse and distract. Modern armed forces use chaff (in naval applications, for instance, using short-range SRBOC rockets) to distract radar-guided missiles from their targets. Most military aircraft and warships have chaff dispensing systems for self-defense. An intercontinental ballistic missile may release in its midcourse phase several independent warheads as well as penetration aids such as decoy balloons and chaff. Modern radar systems can distinguish chaff from target objects by measuring the Doppler shift; chaff quickly loses speed compare ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar Warning Receiver
Radar warning receiver (RWR) systems detect the radio emissions of radar systems. Their primary purpose is to issue a warning when a radar signal that might be a threat is detected, like a fighter aircraft's fire control radar. The warning can then be used, manually or automatically, to evade the detected threat. RWR systems can be installed in all kind of airborne, sea-based, and ground-based assets such as aircraft, ships, automobiles, military bases. This article is focused mainly on airborne military RWR systems; for commercial police speed detection radar RWR systems, see radar detector. Depending on the market the RWR system is designed for, it can be as simple as detecting the presence of energy in a specific radar band, such as the frequencies of known surface-to-air missile systems. Modern RWR systems are often capable of classifying the source of the radar by the signal's strength, phase and signal details. The information about the signal's strength and waveform can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tactical Air Navigation System
A tactical air navigation system, commonly referred to by the acronym TACAN, is a navigation system used by military aircraft. It provides the user with bearing and distance (slant-range or hypotenuse) to a ground or ship-borne station. It is a more accurate version of the VOR/ DME system that provides bearing and range information for civil aviation. The DME portion of the TACAN system is available for civil use; at VORTAC facilities where a VOR is combined with a TACAN, civil aircraft can receive VOR/DME readings. Aircraft equipped with TACAN avionics can use this system for en route navigation as well as non-precision approaches to landing fields. The Space Shuttle is one such vehicle that was designed to use TACAN navigation but later upgraded with GPS as a replacement. The typical TACAN onboard user panel has control switches for setting the channel (corresponding to the desired surface station's assigned frequency), the operation mode for either transmit/receive (T/R, to ge ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inertial Navigation System
An inertial navigation system (INS) is a navigation device that uses motion sensors (accelerometers), rotation sensors ( gyroscopes) and a computer to continuously calculate by dead reckoning the position, the orientation, and the velocity (direction and speed of movement) of a moving object without the need for external references. Often the inertial sensors are supplemented by a barometric altimeter and sometimes by magnetic sensors ( magnetometers) and/or speed measuring devices. INSs are used on mobile robots and on vehicles such as ships, aircraft, submarines, guided missiles, and spacecraft. Other terms used to refer to inertial navigation systems or closely related devices include inertial guidance system, inertial instrument, inertial measurement unit (IMU) and many other variations. Older INS systems generally used an inertial platform as their mounting point to the vehicle and the terms are sometimes considered synonymous. Overview Inertial navigation is a self-c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pave Penny
The Lockheed Martin AN/AAS-35(V) Pave Penny is a laser spot tracker carried by US Air Force attack aircraft and fighter-bombers to enable them to track a laser spot on the ground. It is a receiver only, allowing the pilot to see which targets may be attacked by any laser-guided bombs they carry. Pave Penny does not produce a laser beam and cannot be used to designate targets. It was designed to be used with designators on the ground or on other aircraft. PAVE was later used as an acronym for Precision Avionics Vectoring Equipment. Description The Pave Penny was developed in the mid-1970s based on the earlier AN/AVQ-11 Pave Sword laser tracker used on a few USAF F-4 Phantom IIs during the Vietnam War, miniaturized using solid-state electronics. The compact (31 in / 78 cm) pod, which weighs only 32 lb (14.5 kg) is a simple laser spot tracker that searches for reflected laser light from other laser designators (used by friendly air or ground forces) and displays th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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