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by on November 14, 2016
Instrument Landing System What is an ILS? An ILS is a highly accurate radio signal navigation aid used by pilots landing at an airport when there is poor weather and/or low visibility. It consists of two antennas which transmit signals to receivers in the aircraft cockpit—a glide path tower located next to the runway at the northern end and a localiser antenna at the southern end. These antennas provide the pilot with vertical and horizontal guidance when landing in low visibility. Vide...
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by on November 10, 2016
Aircraft Cabin Pressurization What is Cabin Pressurization? Cabin pressurization is the active pumping of compressed air into an aircraft cabin when flying at altitude to maintain a safe and comfortable environment for crew and passengers in the low outside atmospheric pressure. Pressurization is essential over 3,000 metres (9,800 ft) to protect crew and passengers from the risk of hypoxia and a number of other physiological problems in the thin air above that altitude and increases...
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by on November 4, 2016
Airbus A380 Interesting Facts 1. The first fact about A380 will surprise you. Many believe that A380 is the largest plane in the world. It is not! There is one more airplane called Antonov An-225, it is larger than A380. It is russian-made aircraft and built for cargo transportation only. The An-225 is displayed in the right image. 2. The A380 is 24.1 meters high, 80 meters wide, and 72.7 meters long, equivalent to 2 blue whales length. The plane weighs approximately 590 tons. 3. Th...
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by on November 3, 2016
Boeing 737 NG - New fuel start-switch & parking brake lever layout The present 737NG cockpit engine fuel-levers will be replaced by new lighted lever-lock toggle switches on 737NG airplanes from line number 5605 and on. The new switches should prove more reliable and easier to maintain. This configuration will also be incorporated on 737 MAX airplanes. The new engine fuel start levers will be at the same location on the control stand as now, just aft of the throttle levers. A new light plate...
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by on November 3, 2016
Fuel boost pumps Fuel boost pumps are designed as a dual pump unit that scavenges fuel by use of an inducer, and pressurizes fuel by an impeller type pump. During operation the pump units are self cooled and lubricated by fuel flowing through the assembly. Each main tank (#1/Left and #2/Right) has a FWD and AFT fuel boost pump supplying pressurized fuel to its respective engine, or to the fuel supply manifold for APU and/or X-feeding. These 115 VAC electrical fuel boost pumps produce...
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by on November 1, 2016
CONTRAILS OR VAPOR TRAILS Contrail : Contrails or vapor trails are long thin artificial (man-made) clouds that sometimes form behind aircraft. Their formation is most often triggered by the water vapor in the exhaust of aircraft engines, but can also be triggered by the changes in air pressure in wingtip vortices or in the air over the entire wing surface. Like all clouds, contrails are made of water, in the form of a suspension of billions of liquid droplets or ice crystals. Dep...
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by on October 31, 2016
ACT: Anti Corrosion Treatment. The application of a corrosion prevention compound as described in the AMM. CHG: Change (for fluid). The action whereby any aircraft fluid is substituted by same or similar fluid. CHK: Check for condition. An examination to determine operational capability or physical integrity of an item. CIC: Corrosion Inhibiting Compound CLN: Clean. A task to clean the component or part according to standard practice or specified manner. CPCP: Corrosion Prevention and...
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by on October 29, 2016
Thrust Reversers There will be cases when the aircraft is required to land on runways that are shorter than those for which the aircraft can normally land. It is also beneficial to use less runway than that available in order to have a safety margin in the event of a failure. Although the brakes on the aircraft are designed to be adequate under all normal operating conditions, the engine can assist in shortening the landing distance by using the thrust reversal systems.In this system the en...
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by on October 29, 2016
Types of UNDERCARRIAGE The various types of landing gear are dependent on the design and manufacture of the undercarriage units, The main type of landing gear for aircraft over 5700 Kg is termed the TRICYCLE UNDERCARRIAGE. The tricycle undercarriage landing gear comprises two main undercarriage units and one nose undercarriage unit. However, there are THREE main variations of the tricycle undercarriage as follows: Standard (Boeing 737) · Two main undercarriage units · One...
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by on October 28, 2016
Often windshields are cracked due to electric arcing or hail storm or any unforeseen reason.In most of the cases, a cracked windshield is replaced.However Technical Dispatch data of A320 (MEL) says an aircraft with cracked windshield (crack on outer ply) can be dispatched airworthy with certain conditions. One of the condition is: VISIBILITY SHOULD NOT BE IMPAIRED. An edge to edge crack is usually go but, a web like crack structure on outer ply, is its go condition? (Refer picture) Going with ...
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by on October 22, 2016
Fault Lines Stripes- AIRCRAFT MAINTENANCE ENGINEERING. Aviation, for one part, has certainly come a long way. From the days of the Wright Brothers who were decorated with degraded adjectives for trying to fly to the times of Space tourism, the technology has evolved drastically. The aviation that was once restricted only to a handful is now accessible to even the lower income groups. The airline industries have commercialized civil aviation and have expanded rapidly. This rapid expansion of ...
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by on October 21, 2016
Life of line maintenance technician in Mjets Indamer AS i mentioned in last post that things will not improve it will get more worse in this giant firm. And yes they proved me right about it. They had given so called solution for only one problem ie. Shift mobile. According to them this is solution but they made it more worse. I will explain how, they had issued one more shift mobile and now there two shift cells.One for LMD purpose and other for extra curricular activities that I mentioned ...
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