A320 landing gear system pdf

The book provides a vital link in landing gear design technology from historical practices to modern design trends, and it considers the necessary airfield interface with landing gear design. Airbus a320 cbt computer based training next lesson. Aug 22, 2012 this is a comprehensive text that will lead students and engineers from the initial concepts of landing gear design through final detail design. The mechanisms best represented in aircraft design are the bar mechanisms. The landing gear system is equipped with various control systems such as the main landing gear brake control system, nose wheel steering control system, and landing gear extension. Landing gear position warning although the undercarriage lights are the main indication of gear position, large transport aircraft also have a warning system. This loss stops the retraction of the landing gear. In free fall mode, the landing gear extends by gravity. Consult our certificates and company selfdeclaration. Consequently, easa issued ad 20110201, retaining some of the requirements of easa ad 20060174, which was superseded, extending the applicability to all a318, a319, a320 and a321. Landing gear retraction sequence has not completed within 30 seconds.

Further, it is essential to reduce the landing gear. The landing gear, which is also called the undercarriage, is a complex system consisting of structural members, hydraulics, energy absorption components, brakes, wheels and tyres fig. Each landing set contains a door, a landing gear and associated hydraulic cylinders. Aerion supersonic announces agreement with international hightechnology group, safran. For correct position of landing gear the mandrel, which is located at the bottom of the fuselage, is to put into the respective sleeve at the top of the landing gear spring. Building on the confidence generated from years of experience in design, development, and manufacturing, spp develops landing gear and landing gear control systems. Figure landing gear maintenance pits maintenance pit envelopes may 0114 subject 2100 l. This consists of the main landing gear and dressing assembly, a side stay with locking actuator, and retract says paul brennan, head of actuators, landing gear services at dublin aerospace. Introduction the design and positioning of the landing gear are determined by the unique characteristics associated with each aircraft, i.

Steering control system nose wheel steering body wheel steering. Ensure landing gear down and flaps set for landing. Easa ad 20110201r2 civil aviation safety authority. Airbus a320 family nonnormal notes airbus a320 family nonnormal notes. In emergency mode, landing gear is actuated only by hydraulic power. The need to design landing gear with minimum weight, minimum volume, high performance, improved life, and reduced life cycle cost have posed many challenges to landing gear designers and practitioners. Online technical publications safran landing systems. Additional components attached to and functioning with the landing gear may include steering devices and retracting mechanisms. Landing gear literature survey in terms of design procedure, the landing gear is the last aircraft major component which is designed.

Landing gear is one of the critical subsystems of an aircraft. The aim is to instruct and assist customers with basic understanding on the a320 landing gears, as well as their maintenance. Taxi speed maximum a320 when takeoff weight is higher than 167,500 pounds, do not exceed 20 knots in a turn. A319a320a321 flight deck and systems briefing for pilots. Jetblue flight 292 was a scheduled flight from bob hope airport in burbank, california to john f. The landing system is in charge of maneuvering landing gears and associated doors. F l i g h t a i r w o r t h i n e s s s u p p o r t t e c h n o l o g y 4044 j u l y 2 0 0 7j u l y 2 0 0 9 a320 family maintenance planning escalation package pierrejeangarrot fuel tank inerting system.

Landing gear alignment, support, and retraction part one landing gear alignment, support, and retraction part two landing gear system. Safran wins landing gear mro contract for easyjet airbus a320 family fleet. American airlines airbus a319, a320, a321 notes 5 limits memory items in bold italics, a stands for american imposed limit weight limits om i 1. Ata 32 landing gear and braking system general issue 3 dassault aviation proprietary data sources in normal operation, landing gear is electrically controlled from the pilot station and hydraulically actuated. If you continue browsing the site, you agree to the use of cookies on this website. Chapter aircraft landing gear systems landing gear types aircraft landing gear supports the entire weight of an aircraft during landing and ground operations. Lufthansa technik logistiks experience in aviation logistics ensures that a shipset, a strut or a spare is available when and where its needed. Nov 25, 2015 landing gear system presentation the a320 family aircraft are equipped with dual wheel main landing gear, which retracts inboard. System redundancy is reflected by lgciu1 and lgciu2 fig1. Cessna 152 flight training startup, takeoff, landing, traffic pattern duration. Investigation showed that the upper support of the nlg shock absorber was damaged and the anti rotation lugs were ruptured. An event where an a320 landed with the nose landing gear nlg wheels rotated at 90 degrees to the aircraft centreline was recently reported.

Landing gears and landing gear control systems aerospace. When aircraft is in the landing configuration flapsslats etc and throttles are set below a predetermined value any part of the landing gear is not. A318a319a320a321 flight crew operating manual aircraft systems equipment flight deck general rja a318a319a320a321 fleet dsc251010 p 14 fcom a to b 07 apr 11 general ident dsc2510000982. A319 a320 a321 flight deck and systems briefing for pilots this brochure is provided for information purposes only. Wwal uses a numbering system for flaps on aircraft that have more than three flap settings. In another word, all major components such as wing, tail, fuselage, and propulsion system must be designed prior to the design of landing gear. This course will comprise a classroom instruction on a320 family landing gear, held in english. Lufthansa technik has developed a proprietary transport system for a number of landing gear types. Given the weight and cg range of the aircraft, suitable configurations are. Move the landing gear lever up or down as required. A320 enhanced landing gear control and interface unit lgciu n fully interchangeable and intermixable with all previous lgciu standards. For a failpassive automatic landing system the pilot assumes control of the aircraft after a failure. Flying the airbus a320 this section includes pilots operating handbook and checklists. Safety christopher mcgregor director, flight safety a320 landing gear downlock 1.

Landing gear system presentation the a320 family aircraft are equipped with dual wheel main landing gear, which retracts inboard. An automatic landing system is fail passive if, in the event of a failure, there is no significant outoftrim condition or deviation of flight path or attitude but the landing is not completed automatically. Easa ad 20060174, for aeroplanes fitted with twin wheel main landing gear mlg units. A320 enhanced landing gear control and interface unit. They are mostly part of the landing gear and of the command systems for aircraft space positioning and for changing flying conditions.

Airbus, its logo, a300, a310, a318, a319, a320, a321, a330, a340, a350, a380 and a400m are registered trademarks. All the aircraft and system controls, required for piloting the aircraft, are arranged in such a way. Main landing gear doors may 0115 figure doors clearances main landing gear doors bogie may 0115. Essay analysis of landing gear system for civil aircraft. The lgcius receive position information from the landing gear, cargo doors, and landing flap systems and process gear and door position, sequencing, control, and gear lever selection. If the gear doors have closed, the gear will rest on the doors so avoid excess g loads. A380 landing gear and systems the feet of the plane.

Landing gear system the main landing gear shipset requiring hard time overhaul is consistent in both boeing 737ng and airbus a320 aircraft. It separates the aircraft from the ground, allows the aircraft to manoeuvre on the ground with a steerable nose wheel, it softens. A380 landing gear systems an overview evolution of gears configuration manoeuvring on icao code e and faa group v airports. Landing gear panel auto brake switches on when the antiskid and nose wheel steering switch is selected to on and the green hydraulic pressure is available, then. P h o t o g r a p h i c i m a g e s s c o u r t e s y o f. If this does not work, select the gear down and see section 8. #23 landing gear, brakes and steering normal operations subscribe for new video updates. Gears and main doors are hydraulically operated and electrically controlled by two computers named landing gear control and interface units lgciu. The landing gear or undercarriage of the a320 has four main functions. An overview on landing gear system and subsystems of the airbus a 380 slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The type of gear depends on the aircraft design and its intended use. Pdf the mechanisms best represented in aircraft design are the bar mechanisms. Landing gear types fixed and retractable landing gear part one landing gear types fixed and retractable landing gear part two landing gear types shock strut operation and servicing.

The active lgciu changes when the landing gear is recycled. Nov 22, 2016 airbus a320 cbt computer based training next lesson. Wait for the landing gear to uplock or downlock as applicable and for the landing gear doors to close and simultaneously monitor the wheel page on the system display sd. Head of landing gear systems a380 landing gear and systems the feet of the plane dglr hamburg 5th june 2008. The boeing landing gear overhaul and exchange program enables operators to exchange unserviceable landing gear for an overhauled, certified, readytoinstall gear. They are attached to primary structural members of the aircraft. Landing gear control and indication architecture the airbus a320 utilise two landing gear control and indication units lgciu1 and lgciu2. The a three 20 is equipped with dual we all main gear which retracts in board and to do a nose gear which retracts forward the wheels of the mainland a year are equipped with carbon brakes for efficient breaking even as high temperature and and just get system and automatic breaking system the nose gear is equipped with nose wheel steering the real page displays indications for the main. This is a comprehensive text that will lead students and engineers from the initial concepts of landing gear design through final detail design. They also provide landing gear information to the ecam display and send signals to other aircraft systems for ground or flight mode operations.

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