395 lines
12 KiB
Text
395 lines
12 KiB
Text
# Airbus A3XX FBW/Flight Control Computer System
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# Joshua Davidson (Octal450)
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# Copyright (c) 2020 Josh Davidson (Octal450)
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# If All ELACs Fail, Alternate Law
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var mmoIAS = 0;
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var elac1_sw = 0;
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var elac2_sw = 0;
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var sec1_sw = 0;
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var sec2_sw = 0;
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var sec3_sw = 0;
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var fac1_sw = 0;
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var fac2_sw = 0;
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var elac1_fail = 0;
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var elac2_fail = 0;
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var sec1_fail = 0;
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var sec2_fail = 0;
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var sec3_fail = 0;
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var fac1_fail = 0;
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var fac2_fail = 0;
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var ac_ess = 0;
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var dc_ess = 0;
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var dc_ess_shed = 0;
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var ac1 = 0;
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var ac2 = 0;
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var dc1 = 0;
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var dc2 = 0;
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var dcHot1 = 0;
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var dcHot2 = 0;
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var blue = 0;
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var green = 0;
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var yellow = 0;
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var ail = 0;
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var roll = 0;
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var rollback = 0;
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var battery1_sw = 0;
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var battery2_sw = 0;
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var law = 0;
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var FBW = {
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degradeLaw: props.globals.getNode("it-fbw/degrade-law"),
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activeLaw: props.globals.getNode("it-fbw/law"),
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override: props.globals.getNode("it-fbw/override"),
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rollBack: props.globals.getNode("it-fbw/roll-back"),
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rollLim: props.globals.getNode("it-fbw/roll-lim"),
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Computers: {
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elac1: props.globals.getNode("systems/fctl/elac1"),
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elac2: props.globals.getNode("systems/fctl/elac2"),
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sec1: props.globals.getNode("systems/fctl/sec1"),
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sec2: props.globals.getNode("systems/fctl/sec2"),
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sec3: props.globals.getNode("systems/fctl/sec3"),
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fac1: props.globals.getNode("systems/fctl/fac1"),
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fac2: props.globals.getNode("systems/fctl/fac2"),
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},
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Failures: {
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elac1: props.globals.getNode("systems/failures/fctl/elac1"),
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elac2: props.globals.getNode("systems/failures/fctl/elac2"),
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sec1: props.globals.getNode("systems/failures/fctl/sec1"),
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sec2: props.globals.getNode("systems/failures/fctl/sec2"),
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sec3: props.globals.getNode("systems/failures/fctl/sec3"),
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fac1: props.globals.getNode("systems/failures/fctl/fac1"),
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fac2: props.globals.getNode("systems/failures/fctl/fac2"),
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},
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Lights: {
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elac1: props.globals.getNode("controls/fctl/lights/elac1-fault"),
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elac2: props.globals.getNode("controls/fctl/lights/elac2-fault"),
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sec1: props.globals.getNode("controls/fctl/lights/sec1-fault"),
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sec2: props.globals.getNode("controls/fctl/lights/sec2-fault"),
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sec2: props.globals.getNode("controls/fctl/lights/sec3-fault"),
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fac1: props.globals.getNode("controls/fctl/lights/fac1-fault"),
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fac2: props.globals.getNode("controls/fctl/lights/fac2-fault"),
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},
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Protections: {
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overspeedRoll: props.globals.getNode("it-fbw/protections/overspeed-roll-back"),
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},
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Switches: {
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elac1Sw: props.globals.getNode("controls/fctl/switches/elac1"),
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elac2Sw: props.globals.getNode("controls/fctl/switches/elac2"),
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sec1Sw: props.globals.getNode("controls/fctl/switches/sec1"),
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sec2Sw: props.globals.getNode("controls/fctl/switches/sec2"),
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sec3Sw: props.globals.getNode("controls/fctl/switches/sec3"),
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fac1Sw: props.globals.getNode("controls/fctl/switches/fac1"),
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fac2Sw: props.globals.getNode("controls/fctl/switches/fac2"),
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},
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init: func() {
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if (updatet.isRunning) {
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updatet.stop();
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}
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if (fbwt.isRunning) {
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fbwt.stop();
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}
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me.resetFail();
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me.Switches.elac1Sw.setBoolValue(1);
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me.Switches.elac2Sw.setBoolValue(1);
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me.Switches.sec1Sw.setBoolValue(1);
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me.Switches.sec2Sw.setBoolValue(1);
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me.Switches.sec3Sw.setBoolValue(1);
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me.Switches.fac1Sw.setBoolValue(1);
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me.Switches.fac2Sw.setBoolValue(1);
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me.Computers.elac1.setBoolValue(0);
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me.Computers.elac2.setBoolValue(0);
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me.Computers.sec1.setBoolValue(0);
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me.Computers.sec2.setBoolValue(0);
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me.Computers.sec3.setBoolValue(0);
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me.Computers.fac1.setBoolValue(0);
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me.Computers.fac2.setBoolValue(0);
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me.degradeLaw.setValue(0);
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me.activeLaw.setValue(0);
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me.override.setValue(0);
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if (!updatet.isRunning) {
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updatet.start();
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}
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if (!fbwt.isRunning) {
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fbwt.start();
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}
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},
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resetFail: func() {
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me.Failures.elac1.setBoolValue(0);
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me.Failures.elac2.setBoolValue(0);
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me.Failures.sec1.setBoolValue(0);
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me.Failures.sec2.setBoolValue(0);
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me.Failures.sec3.setBoolValue(0);
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me.Failures.fac1.setBoolValue(0);
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me.Failures.fac2.setBoolValue(0);
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},
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};
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var update_loop = func {
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elac1_sw = FBW.Switches.elac1Sw.getValue();
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elac2_sw = FBW.Switches.elac2Sw.getValue();
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sec1_sw = FBW.Switches.sec1Sw.getValue();
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sec2_sw = FBW.Switches.sec2Sw.getValue();
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sec3_sw = FBW.Switches.sec3Sw.getValue();
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fac1_sw = FBW.Switches.fac1Sw.getValue();
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fac2_sw = FBW.Switches.fac2Sw.getValue();
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elac1_fail = FBW.Failures.elac1.getValue();
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elac2_fail = FBW.Failures.elac2.getValue();
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sec1_fail = FBW.Failures.sec1.getValue();
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sec2_fail = FBW.Failures.sec2.getValue();
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sec3_fail = FBW.Failures.sec3.getValue();
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fac1_fail = FBW.Failures.fac1.getValue();
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fac2_fail = FBW.Failures.fac2.getValue();
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ac_ess = systems.ELEC.Bus.acEss.getValue();
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dc_ess = systems.ELEC.Bus.dcEss.getValue();
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dc_ess_shed = systems.ELEC.Bus.dcEssShed.getValue();
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ac1 = systems.ELEC.Bus.ac1.getValue();
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ac2 = systems.ELEC.Bus.ac2.getValue();
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dc1 = systems.ELEC.Bus.dc1.getValue();
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dc2 = systems.ELEC.Bus.dc2.getValue();
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dcHot1 = systems.ELEC.Bus.dcHot1.getValue();
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dcHot2 = systems.ELEC.Bus.dcHot2.getValue();
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battery1_sw = systems.ELEC.Switch.bat1.getValue();
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battery2_sw = systems.ELEC.Switch.bat2.getValue();
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if (elac1_sw and !elac1_fail and (dc_ess >= 25 or dcHot1 >= 25)) {
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FBW.Computers.elac1.setValue(1);
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FBW.Lights.elac1.setValue(0);
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} else if (elac1_sw and (elac1_fail or (dc_ess < 25 and dcHot1 < 25))) {
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FBW.Computers.elac1.setValue(0);
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FBW.Lights.elac1.setValue(1);
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}
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if (elac2_sw and !elac2_fail and (dc2 >= 25 or dcHot2 >= 25)) {
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FBW.Computers.elac2.setValue(1);
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FBW.Lights.elac2.setValue(0);
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} else if (elac1_sw and (elac2_fail or (dc2 < 25 and dcHot2 < 25))) {
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FBW.Computers.elac2.setValue(0);
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FBW.Lights.elac2.setValue(1);
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}
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if (sec1_sw and !sec1_fail and dc_ess >= 25) {
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setprop("systems/fctl/sec1", 1);
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setprop("systems/failures/spoiler-l3", 0);
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setprop("systems/failures/spoiler-r3", 0);
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setprop("systems/failures/spoiler-l4", 0);
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setprop("systems/failures/spoiler-r4", 0);
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} else {
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setprop("systems/fctl/sec1", 0);
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setprop("systems/failures/spoiler-l3", 1);
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setprop("systems/failures/spoiler-r3", 1);
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setprop("systems/failures/spoiler-l4", 1);
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setprop("systems/failures/spoiler-r4", 1);
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}
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if (sec2_sw and !sec2_fail and dc2 >= 25) {
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setprop("systems/fctl/sec2", 1);
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setprop("systems/failures/spoiler-l5", 0);
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setprop("systems/failures/spoiler-r5", 0);
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} else {
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setprop("systems/fctl/sec2", 0);
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setprop("systems/failures/spoiler-l5", 1);
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setprop("systems/failures/spoiler-r5", 1);
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}
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if (sec3_sw and !sec3_fail and dc2 >= 25) {
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setprop("systems/fctl/sec3", 1);
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setprop("systems/failures/spoiler-l1", 0);
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setprop("systems/failures/spoiler-r1", 0);
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setprop("systems/failures/spoiler-l2", 0);
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setprop("systems/failures/spoiler-r2", 0);
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} else {
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setprop("systems/fctl/sec3", 0);
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setprop("systems/failures/spoiler-l1", 1);
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setprop("systems/failures/spoiler-r1", 1);
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setprop("systems/failures/spoiler-l2", 1);
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setprop("systems/failures/spoiler-r2", 1);
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}
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if (fac1_sw and !fac1_fail and (ac_ess >= 110 or dc_ess_shed >= 25)) {
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setprop("systems/fctl/fac1", 1);
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setprop("systems/failures/rudder", 0);
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setprop("systems/failures/fac1-fault", 0);
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} else if (fac1_sw and (battery1_sw or battery2_sw) and (fac1_fail or ac_ess < 110 or dc_ess_shed < 25)) {
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setprop("systems/failures/fac1-fault", 1);
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setprop("systems/fctl/fac1", 0);
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if (!fac2_sw or fac2_fail) {
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setprop("systems/failures/rudder", 1);
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}
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} else {
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setprop("systems/failures/fac1-fault", 0);
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setprop("systems/fctl/fac1", 0);
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if (!fac2_sw or fac2_fail) {
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setprop("systems/failures/rudder", 1);
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}
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}
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if (fac2_sw and !fac2_fail and (ac2 >= 110 or dc2 >= 25)) {
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setprop("systems/fctl/fac2", 1);
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setprop("systems/failures/fac2-fault", 0);
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} else if (fac2_sw and (fac2_fail or ac2 < 110 or dc2 < 25)) {
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setprop("systems/failures/fac2-fault", 1);
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setprop("systems/fctl/fac2", 0);
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if (!fac1_sw or fac1_fail) {
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setprop("systems/failures/rudder", 1);
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}
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} else {
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setprop("systems/fctl/fac2", 0);
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setprop("systems/failures/fac2-fault", 0);
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if (!fac1_sw or fac1_fail) {
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setprop("systems/failures/rudder", 1);
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}
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}
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var elac1 = getprop("systems/fctl/elac1");
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var elac2 = getprop("systems/fctl/elac2");
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var sec1 = getprop("systems/fctl/sec1");
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var sec2 = getprop("systems/fctl/sec2");
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var sec3 = getprop("systems/fctl/sec3");
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var fac1 = getprop("systems/fctl/fac1");
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var fac2 = getprop("systems/fctl/fac2");
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law = FBW.activeLaw.getValue();
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# Degrade logic, all failures which degrade FBW need to go here. -JD
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blue = systems.HYD.Psi.blue.getValue();
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green = systems.HYD.Psi.green.getValue();
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yellow = systems.HYD.Psi.yellow.getValue();
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if (getprop("gear/gear[1]/wow") == 0 and getprop("gear/gear[2]/wow") == 0) {
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if (!elac1 and !elac2) {
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if (law == 0) {
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FBW.degradeLaw.setValue(1);
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fcu.apOff("hard", 0);
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fcu.athrOff("hard");
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}
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}
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if (getprop("systems/electrical/some-electric-thingie/emer-elec-config") == 1) {
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if (law == 0) {
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FBW.degradeLaw.setValue(1);
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fcu.apOff("hard", 0);
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fcu.athrOff("hard");
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}
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}
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if ((blue >= 1500 and green < 1500 and yellow < 1500) or (blue < 1500 and green < 1500 and yellow >= 1500)) {
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if (law == 0 or law == 1) {
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FBW.degradeLaw.setValue(2);
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fcu.apOff("hard", 0);
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fcu.athrOff("hard");
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}
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}
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if (dc_ess < 25 and dc2 < 25) {
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FBW.degradeLaw.setValue(3);
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fcu.apOff("hard", 0);
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fcu.athrOff("hard");
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}
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}
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if (getprop("controls/gear/gear-down") == 1 and getprop("it-autoflight/output/ap1") == 0 and getprop("it-autoflight/output/ap2") == 0) {
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if (law == 1) {
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FBW.degradeLaw.setValue(2);
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}
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}
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# degrade loop runs faster; reset this variable
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law = FBW.activeLaw.getValue();
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# Mech Backup can always return to direct, if it can.
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if (law == 3 and ac_ess >= 110 and (green >= 1500 or blue >= 1500 or yellow >= 1500)) {
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FBW.degradeLaw.setValue(2);
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}
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mmoIAS = (getprop("instrumentation/airspeed-indicator/indicated-speed-kt") / getprop("instrumentation/airspeed-indicator/indicated-mach")) * 0.82;
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if (mmoIAS < 350) {
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setprop("it-fbw/speeds/vmo-mmo", mmoIAS);
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} else {
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setprop("it-fbw/speeds/vmo-mmo", 350);
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}
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if (getprop("instrumentation/airspeed-indicator/indicated-speed-kt") > getprop("it-fbw/speeds/vmo-mmo") + 6 and (law == 0 or law == 1)) {
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if (getprop("it-autoflight/input/ap1") == 1 or getprop("it-autoflight/input/ap2") == 1) {
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fcu.apOff("hard", 0);
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}
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if (getprop("it-fbw/protections/overspeed") != 1) {
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setprop("it-fbw/protections/overspeed", 1);
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}
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} else {
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if (getprop("it-fbw/protections/overspeed") != 0) {
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setprop("it-fbw/protections/overspeed", 0);
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}
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}
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}
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var fbw_loop = func {
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ail = pts.Controls.Flight.aileron.getValue();
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roll = pts.Orientation.roll.getValue();
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rollback = FBW.rollBack.getValue();
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if (ail > 0.4 and roll >= -33.5) {
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FBW.rollLim.setValue("67");
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if (rollback == 1 and roll <= 33.5 and roll >= -33.5) {
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FBW.rollBack.setValue(0);
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} elsif (rollback == 0 and (roll > 33.5 or roll < -33.5)) {
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FBW.rollBack.setValue(1);
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}
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} else if (ail < -0.4 and roll <= 33.5) {
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FBW.rollLim.setValue("67");
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if (rollback == 1 and roll <= 33.5 and roll >= -33.5) {
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FBW.rollBack.setValue(0);
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} elsif (rollback == 0 and (roll > 33.5 or roll < -33.5)) {
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FBW.rollBack.setValue(1);
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}
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} else if (ail < 0.04 and ail > -0.04) {
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FBW.rollLim.setValue("33");
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if (rollback == 1 and roll <= 33.5 and roll >= -33.5) {
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FBW.rollBack.setValue(0);
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}
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}
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if (ail > 0.04 or ail < -0.04) {
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FBW.Protections.overspeedRoll.setValue(0);
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} else if (ail < 0.04 and ail > -0.04) {
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FBW.Protections.overspeedRoll.setValue(1);
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}
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if (getprop("it-fbw/override") == 0) {
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var active = FBW.activeLaw.getValue();
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var degrade = FBW.degradeLaw.getValue();
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if (degrade == 0) {
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if (active != 0) {
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FBW.activeLaw.setValue(0);
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}
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} else if (degrade == 1) {
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if (active != 1) {
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FBW.activeLaw.setValue(1);
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}
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} else if (degrade == 2) {
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if (active != 2) {
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FBW.activeLaw.setValue(2);
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}
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} else if (degrade == 3) {
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if (active != 3) {
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FBW.activeLaw.setValue(3);
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}
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}
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}
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if (FBW.activeLaw.getValue() != 0) {
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if (getprop("it-autoflight/output/ap1") == 1 or getprop("it-autoflight/output/ap2") == 1) {
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fcu.apOff("hard", 0);
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fcu.athrOff("hard");
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}
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}
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}
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var updatet = maketimer(0.1, update_loop);
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var fbwt = maketimer(0.03, fbw_loop);
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