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Sandeep kumar

Sandeep kumar

Male. Lives in  India. 41 years old

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by on Yesterday, 11:35 am
Prime Minister Narendra Modi on Sunday said that he would inaugurate the first airport in Sikkim at Pakyong on Monday. The airport will improve connectivity, benefitting the people of the state. PM Modi left for the Himalayan state after launching the Centre's flagship Ayushman Bharat-National Health Protection Mission (AB-NHPM) from Jharkhand capital Ranchi on Sunday. "After the programme in Jharkhand I will leave for Sikkim. In Sikkim, I will be inaugurating the Pakyong Airport tomorrow, which...
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by on January 16, 2017
B737NG operating temperatures   Question again out of the field of operation:  An aircraft requested a descent due to low SAT/OAT of – 70°C, is there such a limit on the B737NG? It looks that we know the answer related to the minimum FUEL temperature in the tank (#1). For takeoff and in flight this is the highest of -43°C, or 3°C above the freezing level of the fuel in the tanks. Fuel freezing level temperature specifications are: – JET A1 (JP1) _ freezing point – 47°C – JET A...
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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 October 3, 2016
Boeing Nose Wheel steering To directionally control the aircraft on the ground, nose wheel steering is provided which can be controlled at the Captains position but also as an option at the First Officer side. When the aircraft is in flight and the nose strut extends, the strut/wheels straighten by means of a mechanical centering cam inside the strut. Steering inputs are disabled as landing gear extend pressure is removed, also when the PSEU determines the aircraft in-flight, a signal from ...
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by on September 25, 2016
Boeing Brakes system The B737 is equipped with 4 brake units with either metal or carbon brake disc packages. Carbon Brakes have the advantage of being lighter in weight, absorbing better kinetic energy and when used correctly a longer life. (During taxi it is better to apply one firm application than a few gentle applications) These brake units are identified in categories related to aircraft weight and speed and could be “standard” for lighter weight–, or “high capacity” for heavier aircraft...
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by on September 22, 2016
Boeing Landing gear warning horn   When during the final landing phase, the gear is not in the down and locked position a continuous warning horn will sound to warn the crew. The horn sounds when any gear is not down and locked with the next conditions: Flaps 0 – 10• < 800 feet RA• either thrust lever < 20° TLA• an engine shut down with the operating engine thrust lever < 34° TLA• horn can be silenced by pushing the landing gear warning HORN CUTOUT switch Flaps 0 – 10• < 200 feet RA• either t...
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by on September 17, 2016
Boeing Static and total air pressure system.   Several indications and aircraft components operate by the use of static and/or pitot pressure. Where static (ambient) air pressure is the current air pressure around the aircraft, and pitot (dynamic) air pressure is the air pressure measured in a pitot tube as a result of forward movement of the aircraft. These pressures are obtained from three pitot probes, and six static ports on both sides of the nose fuselage. The pitot probes are located at:...
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by on September 13, 2016
Air Data & Inertial Reference Unit (ADIRU)     The ADIRU consists of a Power Supply, an Air Data Module and the Inertial Reference Unit which performs air, and inertia related calculations. Operating power for the L ADIRU comes from the 115/28 VAC standby bus where the R ADIRU from 115VAC/28VAC XFR bus 2.Backup power for both ADIRU’s comes from the 28 VDC Switched Hot Battery bus. (ON DC) All Right ADIRU c/b’s can be found on P6-1 panel and all Left ADIRU c/b’s on the P18-1/2 panels. (see Ele...
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by on September 13, 2016
Boeing Stall Management & Yaw Damper (SMYD) computers SMYD computers The 2 Stall Management & Yaw Damper (SMYD) computers calculate commands for stall management, yaw damping and for the Wheel To Rudder Interconnect System. (WTRIS) The two SMYD computers are interchangeable and programmed by pins to operate as either SMYD 1 or SMYD 2. SMYD 1 is powered from the 28 VDC STDB BUS and calculates primary yaw damping and turn coordination to operate the main rudder PCU by hydraulic system B. SMYD 2...
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by on September 5, 2016
Airbus A320 Landing Gear / Shock Absorber   We are going to brief some information regarding the A320 Landing Gear (Shock Absorber). Below you will find a cross section photo for the shock absorber which will be good to follow while reading the description.Note: The photo is taken from A320 AMM - Aircraft Maint. Manual-/It's here for studying purposes only. It's not allowed to use it for trading purpose without prior notice from AIRBUS.   1) Compression:During the compression, the sliding tube...
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by on August 26, 2016
T12 (TAT) sensor.       T12 (TAT) sensor. The “T12” sensor is visible at the 2:30 position in the CFM56-7 engine inlet. This sensor consists of two platinum sensing elements that receive a constant voltage from the EEC. In the elements, the current temperature resistance is proportional to the air temperature, where after the signal is send back to the EEC. The EEC now measures the difference between the output voltage en input voltage, which in turn is converted into a Fan Inlet Temperature. ...
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by on August 26, 2016
Fuel overflow during refueling       This is what happens if the max level sensing is not functioning correctly during refueling. Or when the refuel valve does not close when it is commanded to do so. Fuel will flow overboard as demonstrated on this picture.
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