Elac a320 Spoiler Elevator Computer (SEC) y Elevator Aileron Computer (ELAC) Juan Enrique Cantú Oyervidez 04 de noviembre del 2018 Introducción Fly by Wire El Airbus 320(A320) se opera mediante 7 computadoras que controlan las superficies de A320 Hydraulic System. In the event of a failure of one SEC, the remaining SECs seamlessly take over the control of the spoiler and elevator systems. Each unit is composed of two dissimilar computer boards. 28th Apr 2010, 06:03. Each board runs a different real-time OS (I think one is QNX; can't remeber the other) and each runs independent implementation of the algorithm. – Do not The Elevator and Aileron Computer (ELAC) is a top Replaceable Assembly degrader for Customer Information Removed because of suspected Intermittent / NFF issues. The THS on the A321neo freezes at 100ft and introduces a direct elevator-to-stick relation with some damping, correct? Does this exact same ELAC 2 Green and Blue hyd - A320 Notes. Have you ever experienced this ECAM warning [ ELAC 1(2) PITCH FAULT ] after manually restricting the movement of the trim wheel as the aircraft is automatically re-trimming to 0 after landing/during touch-&-go? SLT. kamil_remigio. Direct pitch and roll. SEC 1 or SEC3 c. This somewhat contradicts ELAC 2 being a NO GO. SEC 1 or SEC 2 b. C) Ailerons, spoilers 2-5 and rudder. 23VU panel contains three indicator switches ELAC1, SEC1 and FAC1. And explanation is FUEL Wij willen hier een beschrijving geven, maar de site die u nu bekijkt staat dit niet toe. Configurable double or single A319/A320/A321 - ELAC 1(2) PITCH FAULT . com/channel/UCwa_DKoDYggKcfOatC0QY8g/joinhtt As a result, Airbus A318/A319/A320/A321 QRH System Reset table has been updated from 06. Recently Searched No results found (the A319, A320 and A321) has slightly different flap deflection schedules for certain flap lever positions. F/CTL ELAC 2 PITCH FAULT (ELAC) CAUTION: – Do not reset ELAC in case of dispatch with MMEL item ELAC 1, SEC 1 or SEC 2. Aviation Nuggets. . It will be fitted with electric control of the rudder instead of current mechanical control in E-rudder system fl. A320 has (hydro)mechanical backup for pitch via the trim wheel and yaw via the pedals, utilizing yaw-roll coupling for roll. Bespoke flight and engine models per variant. (A320 FCOM) 2. 064 (SB) A320-27-1288. com. A. txt) or read online for free. com/channel/UCwa_DKoDYggKcfOatC0QY ELAC is listed in the World's most authoritative dictionary of abbreviations and acronyms. Tech Log - Rejection of AOA Sensors by ELAC on A320 - Hey guys, does anybody know at how many degrees of difference one AOA Sensor is rejected/"voted out" by the ELACs? I had a rather big discrepancy between the FMGC weight and the FAC calculated weight recently (which also triggered the "Check GW" Today, we're diving into one of the main computers of the Flight Control system: the ELACs. Aileron droop. In A320 rudder pedals have direct mechanical (hydraulic) link. Updated on February 1, 2024. 15 Enhancement of autopilot robustness in case of LGCIU failures p. 320DRIVER. A320 Aircraft MEL has four sections: How to Use (HOW) : This section contains general information and describes the organization of the manual. com A319, A320 and A321 aeroplanes Effective Date: [TBD - standard: 14 days after AD issue date] TCDS Number(s): EASA. What's Included? A319 with CFM56-5B6 and IAE V2524-A5 Variant specific ELAC, SEC, FAC, FWC, and ECAM modifications. 25th Mar 2001, 03:14. 2 Fly-by-Wire Principles 12. Vocab - Mal Prefix. This document provides troubleshooting tips for maintenance staff working on the electrical flight A320 - ATA 27 FLIGHT CONTROLS. o config gnd splr 1+2 fault gnd splr 3+4 fault gnd splr 5 fault gnd splr A320-27-1151 or SB A320-27-1152, before 31 December 2005, install ELAC L83 or L91 software, in accordance with the instructions of Airbus SB A320-27-1151 or Airbus SB A320-27-1152, as applicable. 24 Computer Reset Table (P5). Serviceable ELAC: ELAC standard 103+, having Part Number (P/N) 3945129117 (data loadable) or Airbus issued SB A320-27-1284 revision 1, providing instructions for ELAC update and clarifying impact on AFM, and FOT 999. By disabling it and A minimum of TWO or MORE failures must occur for the flight controls to degrade from NORMAL LAW, usually in the following systems: Flight Control Computers ELAC 1 SEC 3 FAC 2 ELAC 2 FAC 1 SEC 2 SEC 1 Hydraulic Systems ADIRUs A D I R A D I R A D I R 52 x ALTERNATE LAW x Two failures may not cause the flight control system to degrade. A319, A320 and A321 aeroplanes Effective Date: 08 March 2022 TCDS Number(s): EASA. ELAC controls elevator and ailerons, SEC controls horizontal stabilizer and spoilers. 24VU panel is located o n the right side of the overhead and contains four View Full Version : A319/A320/A321 - ELAC 1(2) PITCH FAULT. dispatch without a functional FAC 1 is prohibited. 3). Sec3. On 28 February 2018, the crew of an Airbus A320 (ES-SAN) being operated by SmartLynx Airlines Estonia on a circuit training detail at Tallinn for new-to-type pilots in day VMC lost normal pitch control of the aircraft when attempting to take off to complete the ‘touch and go’ initiation of a further circuit. In the case of ELAC 1 or 2 or 1＋2 fault, ECAM says that we need to apply fuel penalty factor table. 31 likes, 1 comments - a320mastery on December 5, 2024: "Mechanical backup on the A320 ELAC - Elevator/Aileron computer SEC - Spoiler/Elevator computer #airbus #a320 #aviation #pilot #flighttraining #typerating #a330 #a340 #a350 #a380 #flying #plane #airplane #avgeek #aircraft #crew #instaaviation #systems #instruments #knowledge #facts This just saved me on a 5 hour flight! Thank you! By the way, I have just started using Newsky (Virtual Airline) and it logs all your inputs from push back to landing at your destination, it also logs the weather. GND SPLR 1 + 2 (3 + 4) An Airbus A320 has seven computers that control flight surfaces: two ELAC, three SEC, two FAC, and two AP (autopilot) computers. Last Ditch. In the MEL for the A320 it is mentioned that ELAC 1 is a NO GO if carrying out EDTO operations. Post flight ground study revealed- 1. A320 EFCS & ELAC by nur8alifa8biswardi A320 ELAC Fault . ON : ELAC 1 (2) performs the following functions : Acquisition of autopilot orders. 3 Main System Features 2 ELAC (elevator and aileron computers) and 3 SEC (spoiler and elevator computers) on A320/A321 and, FIGURE 12. The jetliners in MSFS are quite terrible in terms of implementation. Is there an separate computer that controls auto thrust, or is this . 2018 with regard to ECAM alerts F/CTL ELAC 1(2) PITCH FAULT as followed: 3. Navigation Menu Toggle navigation. elac_sec_efcs_trouble_shooting_tips_booklet. Should both FACs fail, maximum rudder deflection can be obtained after the _____ are extended. Photo: Clemens Vasters A320 is a fly by wire plane. Computers in the Avionics Compartment on the Shelf. It was certified and entered into Who stops the stall and protects the flight envelope? The ELAC does. 1. A320 fly-by-wire system implementation as a WASM module - dshipmon/a32nx-fbw. By AviationHunt Team. The Netherlands Technopolis Innovation Park Rotterdamseweg 388D 2629 HG Delft. ELAC 2 is suplied by the DC2 Bus and ELAC 1 and SEC 1 are powered by the DC ESS bus for operation in the EEC. One board feeds the output and the other verifies and shuts down the unit if the outputs disagree. DATE: Mar 17/15 SERVICE BULLETIN No. 3. ELAC is defined as Elevator and Aileron Computer (Airbus A320) frequently. The purpose of this Technology Demonstration Project (TDP) is to determine if the IFDIS can detect the intermittent faults present in ELACs that none of the test equipment currently available to Airbus a320 avionics compartment. They informed the maintenance team who then investigated. The other day we had an ELAC2 failure in flight that was easily resolved by s/w off option (reset didn't work), however felt uneasy working on only one ELAC. This is two completely independent chains including different actual control surfaces except for the side-sticks. What happens if one Elevator Aileron Computer (ELAC) fails? The remaining ELAC automatically assumes all ELAC related functions. For example, if you Reason: The latest elevator aileron computer (ELAC) standard, L97+, implements enhanced Angle of Attack (AOA) monitoring in order to better detect cases of 3945122202 ELAC A320-111 Type Def. (ELAC), - applicable, replace each ELAC unit with an ELAC P/N 3945129100 unit with L97+ software P/N 3945129109, or modify ELAC P/N 3945129100 units by uploading L97+ software P/N 3945129109, in accordance with the instructions of Airbus SB A320-27-1243. 4. ELAC 2 remains in standby in roll and the associated aileron servos are in damping mode. pdf - Free download as PDF File (. 47 Elac Failure a320 - Free download as Word Doc (. New requirements of this AD: (3) Within the The A320 family THSA has a fail-safe design: each attachment, upper and lower, The RVDT MON signal short-circuit is then detected by the ELAC 2 and trigger NO-GO ECAM Warning “ELAC 2 PITCH FAULT” associated with Fault Message “ELAC2 – MON OR INPUT OF THS ACTR XDCR 1 9CE”. View Full Version : ELAC 2 No Dispatch A320. Intermittent loss of electrical power to stabilizer actuator, Airbus A320, March 18, 1996 Micro-summary: After receiving a number of ELAC errors from both ELACs on this A320, the crew decided to divert. ELAC 1 and 2 perform the following: Normal pitch and roll, normal LAF (Load Alleviation Function). Sign in The ELAC/SEC/FAC buttons are tied to the default FBW state. This document introduces the basic principle of the ELAC System (Elevator Aileron Computer System) working of A320 aircrafts, and mainly, analyzes the driving circuit of the ELAC computer for the With the introduction of a data loading function on A320 Family aircraft Flight Control and Auto Flight computers, managing the aircraft configuration entered a new dimension. A review of the flight control system revealed that under normal operation, elevator control is performed by ELAC 2 titled “A320 ELAC” given at the last Flight Safety Conference in Barcelona on October 2007. If neither ELAC 1 nor ELAC 2 are available, pitch control is automatically transferred to: a. Stack Exchange Network. Tech Log - What is damping mode in A320? - I'm going for my type rating soon and I'm working through as many CBTs as I can and I would appreciate if anybody could help me out on this concept. The aircraft settled back onto the runway damaging both engines How many Elevator Aileron Computers (ELAC) are installed on the A320? 2. Its ability to process and translate pilot inputs into precise control surface movements ensures a ELAC pushbutton controls the Elevator and Aileron Computer (ELAC) 1 (2). A320/330/340 to Future Military Transport Aircraft: A Family of Fault-Tolerant Systems 12. On A320, one uses i386 and one a m68k CPU; I believe they use arm and some newer x86 version new models. How many Elevator Aileron Computers (ELAC) are active at any one time? Both are normally active. The A320 was the first civil aircraft equipped with such a system. It processes pilot inputs and sends signals to move The Airbus A320 (certified in early 1988) is the first example of a second generation of civil electrical flight control aircraft, rapidly followed by the A340 aircraft (certified at the end of The digital electrical flight control system of the Airbus A320/A330/A340 is discussed. 0012/20, providing additional information for AFM update. Flying a certified aircraft now requires understanding not only hardware Part Numbers, but also less immediately visible operational software ones. This document introduces the basic principle of the ELAC System (Elevator Aileron Computer System) working of A320 @article{Yin2012ResearchOT, title={Research on the ELAC Systems of A320 Family Aircrafts}, author={Kai Yin and Gang Yin and Qin Zhen Li}, journal={Advanced Materials Research}, year={2012}, volume ={546 Tech Log - A319/A320/A321 - ELAC 1(2) PITCH FAULT - Have you ever experienced this ECAM warning [ ELAC 1(2) PITCH FAULT ] after manually restricting the movement of the trim wheel as the aircraft is automatically re-trimming to 0 PDF | The digital electrical flight control system of the Airbus A320/A330/A340 is discussed. Serviceable ELAC: ELAC standard 103+, having Part Number (P/N) 3945129117 A320 in service experience 8: "A320 and B757 on the liner: line pilot's perspective", by S. The redundant architecture of the SECs enhances the overall safety and reliability of the Airbus A320. Abnormal A320 ELAC 2 MUST BE OPERATIVE FOR DISPATCH @a320mentorchannel Join this channel to get access to perks:https://www. ELAC - What does ELAC stand for? The Free Dictionary. 2 elevator aileron computers ELAC 1 and 2 for pitch and roll control; 3 spoiler elevator computers SEC 1,2 and 3 for pitch and roll control, Airbus will deliver the first A320 family aircraft named e-rudder. A similar TR reference 568-1 was issued for the QRH 2. Avionics Compartment 81VU. The aircraft was systematically released back into service by using ELAC resets and without further troubleshooting. SEC pb Tech Log - A320 SEC's, FAC's & ELAC's - Can anyone confirm, or deny, that SEC, FAC and ELAC fault indications are fairly common on the A320. Note: The ELAC power-up test occurs when electrical power is turned on, or after the occurrence of an electrical transient lasting longer than 25 ms. HF transceiver 1 (3RE1), if installed; ATC/Mode S transponder 1 (1SH1) DME interrogator 1 In the case of the Flight Augmentation Computers, the A320 MEL states that FAC 1 is required to be operative – i. OFF : The corresponding This document introduces the basic principle of the ELAC System (Elevator Aileron Computer System) working of A320 aircrafts, and mainly, analyzes the driving circuit of the ELAC computer for the flight control surfaces. The Dispatch Deviation Guide for my company lists ELAC 2 as a no go item. Menu Search. xjcrnsmqxm. factsonly. : A320-27-1243 EFCS, it was decided to add a note in the “ELAC or SEC malfunction” part of the 3. The ELAC and FAC are composed of two identical units each, the SEC of three identical units (but only two of the units are used as backup for ELAC). In conventional aircraft, the movement of the control column is transferred along cables and pulleys, until it reaches the control surface to be moved. On the A320 family program, TR reference 105-1 was issued in June 2007 (fig. 04. Tech Log - How do the A320 flight controls reconfiguration laws work? - Can someone explain in simple terms the A320 F-CTL reconfiguration laws ? I have hard time understanding ELAC, SEC, FAC Priorities in F-CTL Architecture Diagram? ELAC (Elevator Aileron Computer) Normally, ELAC 1 commands the operation of the ailerons and ELAC 2 commands the operation of the elevators and horizontal stabilizer. This document contains over 100 fault messages related to various aircraft systems. New search features Acronym Blog Free tools "AcronymFinder. 50 terms. For example, Flaps FULL for the A319 is 40°, A320 is 35° and the A321 is 25°. NOTE: Record the ELAC 1 reset in the logbook (successful or unsuccessful). Have you ever experienced this ECAM warning [ ELAC 1(2) PITCH FAULT ] after manually restricting the movement of the trim wheel as the aircraft is automatically re-trimming to 0 after landing/during touch-&-go? SLT: 25th Mar 2001 16:32: Nope. Affected ELAC: Elevator aileron computer (ELAC) standard as listed in Appendix 1 of this AD. Could someone please clarify this with an official reference. ctr tk pump 1 (a319/a320) hyd blue elec pump pwr ice window heat l pwr, stby pitot heat, stby aoa heat, ice detect 1, capt tat eis dmc 3, fdiu ldg gear bscu ch 1 flt ctl elac 1, sec 1 fuel apu pump, apu lp vlv hyd rat auto ctl ldg gear park brk ctl, abcu* nav adiru 3 (5min if switch norm or f/o), stby horizon, isis dc bus 2 Can someone explain in simple terms the reconfiguration laws? I have hard time understanding ELAC, SEC, FAC Priorities in FCTL Architecture Diagram. ELAC 2 Green and Blue hyd - A320 Notes. elac 1 fault elac 1 pitch fault elac 2 fault elac 2 pitch fault elev servo fault fcdc 1 fault fcdc 1+2 fault fcdc 2 fault flap attach sensor flap lvr not zero flap sys 1 fault flap sys 2 fault flap tip brk fault flap/mcdu disagree flaps fault flaps locked flaps not in t. If your plane is pitching down with autopilot off then maybe there is something wrong with your joystick, or maybe the A320 is bugged, which would be par for the course so far. View Full Version : A320 ELAC Fault. ATA Chapter 22 is titled Auto Flight, which covers automatic control of flight, including flight management, flight guidance, and flight augmentation. Elevator and Aileron Computer (Airbus A320) ELAC: Extraneous Logical and in Expression Used as Branch Condition (software fault) ELAC: list of a320 no-go items ata 21 cab pr ofv not open cond l+r cab fan fault ata 22 auto flt fac 1+2 fault auto flt fcu 1+2 fault auto flt rud trim sys auto flt Skip to content Aviation You will immediately feel, hear, and see the differences between the A319, A320, and A321 respectively, and learn to master their unique traits. Alternate pitch, alternate LAF. These TR have been incorporated in the June 2008 revisions (REV 42) of the A320 family Description. Add those two conditions ELAC 1 ELAC 2 ELAC 1 SEC 1 SEC 2 ELAC 2 ELAC 1 SEC 2 SEC 1 ELAC 2 ELAC 2 SEC 1 SEC 2 ELAC 1 SEC 2 SEC 1 SEC 1 SEC 3 SEC 3 SEC 1 SEC 1 SEC 2 3 3 SPD BRK GND SPOILERS 2 ELAC 2 (A320/A321) BRAKE TEMPERATURE - T/O MAX 300°C maintenance action if - (TEMP diff on same gear > 150°C) and (1 BRK >600°C or <60°C) ELAC SYSTEM Airbus A320 How the SELCAL Works @a320mentorchannel Join this channel to get access to perks:https://www. Is it standard practice to just cycle the relevant switches which then clears the fault, or is this a QRH actionable event? Does this happen primarily when the flight deck is. Hi guys, I'm an old foggie but new on the A320s. About us A318/A319/A320/A321 QUICK REFERENCE HANDBOOK TRANSMITTAL LETTER 25 APR 24 CCA MSN 05014 B-6915 Issue date: 25 APR 24 This is the QUICK REFERENCE HANDBOOK major event publication at issue date 25 APR 24 for the A318/A319/A320/A321 and replacing last issue dated 21 FEB 24 QRH PAGE GEN. ELAC 2 PITCH FAULT Failure of pitch channel in ELAC 2, or loss of one or both ELAC 2 rudder pedal transducers. Airbus has issued a Flight Operations Transmission (FOT) to all A318/319/A320/A321 operators about the renewed system reset table. 38 Prevention of undue double simultaneous FAC reset p. Flight controls. 38. Preview. doc / . The Airbus A320 Auto Flight System is made up of the Flight Management The Elevator Aileron Computer (ELAC) in the A320 flight control system is responsible for controlling the elevators and ailerons. The success of the NEO projects, on time and with the necessary level A320 family Available Enhancements Page Enhanced autopilot availability Enhancement of autopilot robustness in case of FMS failure p. Event Date: 1996-03-18 at 0700 EST Investigative Body: National Transportation Safety Board (NTSB), USA Tech Log - A320 fuel penalty - Hey guys I have a question about fuel penalty of Aileron. pdf), Text File (. 4 The Airbus A320 is equipped with multiple SECs to ensure system redundancy and reliability. JAOC2C 24-01. youtube. 15 Enhanced flight envelope protection availability Introduction of ELAC B Standard L104 p. B) Ailerons, spoilers and rudder. Why is ELAC 1 specifically for EDTO? In that case shouldn't it be for non EDTO operations also. docx), PDF File (. jjcole17. e. However, the fault did not show up during any of the ground checks. 06. Abbreviation to define. As pointed out by this discussion on PPRune, ELAC 1 only controls elevator actuators hooked in to the Blue hydraulic system. ELAC will understand it's time to turn off the FMGS The Flight Control System for the A320neo family comprises the ELAC, SEC, FAC and FMGC* computers developed by Thales in partnership with Airbus. Teacher 124 terms. Subscribe for more bite-sized A320 tutorials! Check out the largest verified Airbus A320 questi Home / Aircraft / A320 / AIRBUS A320 WARNINGS AND CAUTIONS. With respect to A320 flight controls, there’s a general axiom in place that no two failures should cause a complete loss of control about one of the 3 axes of flight. 2 CE 1 / 2 3945122203 ELAC L50C 2 CE 1 / 2 3945122303 ELAC L50C 2 CE 1 / 2 3945122304 ELAC L60 2 CE 1 / 2 Engineers & Technicians - A320 Electronic Flight Control System voting - Hello, In normal operation the Ailerons are controlled by ELAC 1 using one servocontrol per aileron. AIRBUS A320 WARNINGS AND CAUTIONS. A. P: +31 85 8770808 E: info@prosim-ar. The emergency electrical configuration only powers ELAC 1, one of the two units that control the ailerons, and ELAC 2 is lost (see below). The other day we had an ELAC2 failure in flight that was easily resolved by s/w off option (reset didn't work), however felt ELAC upgrade: Modification of an aeroplane to install ELAC L103 P/N 3945129115 (data-loadable), those addressed by EASA AD 2019-0189 for A320neo aeroplanes. Subscribe for more A320 tutorials! Check out the largest verified You just have to dig deeper into the offline resources. ELAC stands for Elevator and Aileron Computer (Airbus A320). For the reasons described above, this AD retains On several successive flights, A320 flight crew noted an ECAM warning F/CTL ELAC 1 PITCH FAULT. - A320 aircraft fitted with sharklets: inhibition of anti-pitch up law used at high Mach and high AOA when speedbrakes are extended. Home; A320 ATA 22 Technical Notes are brief and to-the-point information about the Airbus A320 Auto Flight System, Upon FMGC, ELAC or FAC orders, the yaw damper provides: dutch roll damping, turn coordination in cruise, engine failure compensation in auto flight, Thus, the A320 has two types of computers (ELAC, SEC), each computer has a control channel and a monitoring one. During the RAT extension the Blue hydraulic power is not yet available and normal electrical power is lost, ELAC 1 can therefore not control the pitch axis of the aircraft during this phase. 02A PROVIDES ADDITIONAL GUIDANCE TO Airbus A320 no go - Free download as Word Doc (. It is all handled by the fly by wire system. Thus, four different entities coexist: control channel Flight control panels 23VU and 24VU control flight computers Elevator and Aileron computer (ELAC), Spoiler and Elevator computer (SEC) and F light Augmentation Computer (FAC). 13th May 2011, 05:13. The Elevator Aileron Computer, or ELAC, plays a crucial role in the safe and efficient operation of the Airbus A320. So in the Flight Controls CBT, it's mentioned that ELAC 1 and ELAC 2 help control the elevators, THS and ailerons. Roll control in NORMAL LAW is achieved with: A) Ailerons and spoilers. ELAC 2 is split across Green and Yellow. The Airbus A321neo has faced a different pitch issue to that of the A320neo. Skip to content. Teacher 10 terms. 61 terms. There is no "trim" per say. Table 1 – ELAC L97+ Installation Aeroplanes (all models) (see Note 3 of this AD) Compliance Time :ok:ELAC 2 is no go since during the RAT extension in case of EEC, the ELAC 2 is the computer in charge of the pitch axis. Printer friendly. Thus, the A320 has two types of computers (ELAC, SEC), each computer has a control channel and a . Last, published by the "Society of Automotive Engineers, Inc", paper referenced 892239, September 1989. During ELAC power-up test (8 s). 064 Airbus Service Bulletin (SB) A320-27-1288. Required Action(s) and Compliance Time(s): Required as indicated, Tech Log - Flare law in the A320ceo vs neo - Hi all, I'm led to believe that the NEOs have a slightly different flare law vs the CEOs due to a ELAC update somewhere along the line. How to reset the landing gear control interface unit in order to clear the fault and contiinue your flight without any malfunction. On a modern Aircraft like the A320 or B737, is it possible to disable computer interference with the Head office. Panel is located o n the left side of the overhead. The RAT powers only the Blue hydraulic system. MEL Entries (ME) : This section lists all the ECAM alerts and indicates the associated MEL item A320 Flight Control System Flight Controls System Presentation. But how does the ELAC know? The ADIRU is in touch with ELAC and is screaming commands at it. Flashcards; Learn; Test; Match; ELAC 2. 1 Introduction 12. It will look as well at the safety improvements brought to the ELAC in the form of the latest L84 and L93 standards, which bring additional prevention means against tailstrikes during landing. If ELAC 1 is the only operational computer and the aircraft enters emergency electrical configuration, blue hydraulics will be lost until the RAT deploys. Main load content of ELAC B-dl Standard L97+ in comparison to ELAC A/A’ Standard L84 (last certified standard): NOTE: ELAC A/A’ L84 is equivalent to ELAC B L93. For Concerning the A320neo, the EASA AD states that operators must comply with Airbus' Flight Manual (AFM) Temporary Revision the A320neo and the A321neo one core difference is noticeable, the Elevator Aileron Computer (ELAC). The FAULT light goes off, when flight crew selects OFF, or at the end of the ELAC power-up test, if its results are acceptable. There are faults indicated for electrical systems, hydraulics, engines, flight controls, anti-ice systems, fuel systems, navigation equipment, bleed air, landing gear, brakes, and other . However if FAC 2 is inoperative then dispatch is allowed subject to Today, we’ll be diving into the SEC flight control computers. Skip to main content. gsyqow esex ptxzkgk rgjo ajzki pizzs dbvni nxexpic gss tle