diff --git a/stl/fg_env.nas b/stl/fg_env.nas
index 29e84f3..f7575cf 100644
--- a/stl/fg_env.nas
+++ b/stl/fg_env.nas
@@ -1,33 +1,76 @@
 # flightgear developer environments simulator (beta)
 # ValKmjolnir 2022
 
-println("------------------------------------------------------------");
-println("FlightGear simulated-env for developers project, since 2019");
-println("Developed by:");
-println("Sidi Liang (FGPRC-0762)");
-println("Haokun Lee (FGPRC-0818 aka ValKmjolnir)");
-println("------------------------------------------------------------");
-println("[\e[32m fg_env    \e[0m] init begin");
-println("[\e[32m maketimer \e[0m] init tasks");
-println("[\e[32m maketimer \e[0m] init events");
+println("-------------------------------------------------------------");
+println(" FlightGear simulated-env for developers project, since 2019");
+println(" Developed by:");
+println(" Sidi Liang (FGPRC-0762)");
+println(" Haokun Lee (FGPRC-0818 aka ValKmjolnir)");
+println("-------------------------------------------------------------");
+println(" See help using command line argument: --fg-env-help");
+println("-------------------------------------------------------------");
+
+var fg_env_global_timestamp=maketimestamp();
+fg_env_global_timestamp.stamp();
+
+var fg_env_cli={
+    "--fg-env-help":{
+        info:"get help",
+        trigger:0,
+        f:func{
+            if(me.trigger)
+                return;
+            println("-------------------------------------------------------------");
+            println(" Help:");
+            foreach(var i;keys(fg_env_cli))
+                println(" ",i,": ",fg_env_cli[i].info);
+            println("-------------------------------------------------------------");
+            me.trigger=1;
+        }
+    },
+    "--fg-env-debug":{
+        info:"get property tree structure",
+        trigger:0,
+        f:func{
+            if(me.trigger)
+                return;
+            props.globals.debug();
+            me.trigger=1;
+        }
+    },
+    "--fg-env-mktmtest":{
+        info:"test maketimer",
+        trigger:0,
+        f:func{
+            if(me.trigger)
+                return;
+            maketimer_multi_coroutine_test(32);
+            me.trigger=1;
+        }
+    }
+};
+
+println("[\e[32m fg_env    \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init begin");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init tasks");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init events");
 var fg_globals={
     task:{},
     event:{}
 };
 
-println("[\e[32m maketimer \e[0m] new func add_event(name,interval,function)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func add_event(name,interval,function)");
 var add_event=func(name,interval,function){
     fg_globals.event[name]=coroutine.create(func{
         var timestamp=maketimestamp();
         timestamp.stamp();
         while(timestamp.elapsedMSec()<interval*1000)
             coroutine.yield();
-        println("[\e[32m",name,"\e[0m]  type:\e[33mevent\e[0m  interval:\e[34m",interval,"\e[0m");
+        println("[\e[32m",name,"\e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"]  type:\e[33mevent\e[0m  interval:\e[34m",interval,"\e[0m");
         function();
     });
 }
 
-println("[\e[32m maketimer \e[0m] new func add_task(name,interval,function)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func add_task(name,interval,function)");
 var add_task=func(name,interval,function){
     fg_globals.task[name]=coroutine.create(func{
         var counter=0;
@@ -37,26 +80,26 @@ var add_task=func(name,interval,function){
             timestamp.stamp();
             while(timestamp.elapsedMSec()<interval*1000)
                 coroutine.yield();
-            println("[\e[32m",name,"\e[0m]  type:\e[34mtask\e[0m  interval:\e[34m",interval,"\e[0m  invoke-time:\e[96m",counter,"\e[0m");
+            println("[\e[32m",name,"\e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"]  type:\e[34mtask\e[0m  interval:\e[34m",interval,"\e[0m  invoke-time:\e[96m",counter,"\e[0m");
             function();
             coroutine.yield();
         }
     });
 }
 
-println("[\e[32m maketimer \e[0m] new func remove_task(name)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func remove_task(name)");
 var remove_task=func(name){
     if(contains(fg_globals.task,name))
         delete(fg_globals.task,name);
 }
 
-println("[\e[32m maketimer \e[0m] new func remove_event(name)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func remove_event(name)");
 var remove_event=func(name){
     if(contains(fg_globals.event,name))
         delete(fg_globals.event,name);
 }
 
-println("[\e[32m maketimer \e[0m] new func maketimer(interval,function)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func maketimer(interval,function)");
 var maketimer=func(interval,function){
     var name="nasal-timer-";
     var res={
@@ -89,7 +132,7 @@ var maketimer=func(interval,function){
     return res;
 }
 
-println("[\e[32m settimer  \e[0m] new func settimer(function,interval,rt)");
+println("[\e[32m settimer  \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] new func settimer(function,interval,rt)");
 var settimer=func(){
     var index=0;
     return func(function,interval,realtime=1){
@@ -99,7 +142,7 @@ var settimer=func(){
     }
 }();
 
-println("[\e[32m maketimer \e[0m] test func simulation()");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] test func simulation()");
 var simulation=func(){
     var running=1;
     while(running){
@@ -125,7 +168,7 @@ var simulation=func(){
     }
 }
 
-println("[\e[32m maketimer \e[0m] test func maketimer_multi_coroutine_test(size)");
+println("[\e[32m maketimer \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] test func maketimer_multi_coroutine_test(size)");
 var maketimer_multi_coroutine_test=func(coroutine_size){
     if(coroutine_size<1)
         return;
@@ -167,14 +210,14 @@ var maketimer_multi_coroutine_test=func(coroutine_size){
     simulation();
 }
 
-println("[\e[32m geodinfo  \e[0m] init geodinfo(lat,lon)");
+println("[\e[32m geodinfo  \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init geodinfo(lat,lon)");
 var geodinfo=func(lat,lon){
     return [nil,{
         names:["Road","Freeway"]
     }];
 }
 
-println("[\e[32m props     \e[0m] init props base");
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init props");
 var props=
 {
     globals:nil,
@@ -197,7 +240,7 @@ var props=
     }
 };
 
-println("[\e[32m props     \e[0m] init props.Node");
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init props.Node");
 props.Node=
 {
     new:func(values=nil)
@@ -312,40 +355,494 @@ props.Node=
     }
 };
 
-println("[\e[32m props     \e[0m] init props.globals");
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init props.globals");
 props.globals=props.Node.new();
-var c=['aircraft','ai','models','position','orientation','controls','sim'];
+var c=['aircraft','ai','models','position','orientation','controls','sim','consumables','engines','velocities','accelerations','gear','instrumentation','rotors'];
 foreach(var i;c)
     props.getNode('/',1).addChild(i);
+
 props.getNode('/ai',1).addChildren('ai',4);
 props.getNode('/aircraft',1).setValue('/','IDG MD-11');
-for(var i=0;i<4;i+=1)
-    props.getNode('/ai/ai['~i~']',1).setBoolValue('true');
 props.getNode('/models',1).addChildren('building',4);
 for(var i=0;i<4;i+=1)
     props.getNode('/models/building['~i~']',1).setIntValue(i);
-props.getNode('/',1).addChild('test');
-props.getNode('/test',1).addChildren('in',4);
-props.getNode('/test/in',0).setValue('/','true');
-props.getNode('/test/in',1).setValue('/','false');
-props.getNode('/test/in',2).setValue('/','welcome aboard,need help? use help->tutorial');
-props.getNode('/test/in',3).setValue('/',2147483648);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /consumables");
+props.getNode("/consumables",1).addChild("fuel");
+props.getNode("/consumables/fuel",1).addChild("total-fuel-lbs");
+props.getNode("/consumables/fuel",1).addChild("total-gal_us");
+props.getNode("/consumables/fuel/total-fuel-lbs",1).setValue('/',0);
+props.getNode("/consumables/fuel/total-gal_us",1).setValue('/',0);
+props.getNode("/consumables/fuel",1).addChildren("tank",4);
+for(var i=0;i<4;i+=1){
+    props.getNode("/consumables/fuel/tank["~i~"]",1).addChild("level-lb");
+    props.getNode("/consumables/fuel/tank["~i~"]",1).addChild("level-lbs");
+    props.getNode("/consumables/fuel/tank["~i~"]",1).addChild("level-gal_us");
+    props.getNode("/consumables/fuel/tank["~i~"]",1).addChild("capacity-gal_us");
+    props.getNode("/consumables/fuel/tank["~i~"]",1).addChild("density-ppg");
+
+    props.getNode("/consumables/fuel/tank["~i~"]/level-lb",1).setValue('/',0);
+    props.getNode("/consumables/fuel/tank["~i~"]/level-lbs",1).setValue('/',0);
+    props.getNode("/consumables/fuel/tank["~i~"]/level-gal_us",1).setValue('/',0);
+    props.getNode("/consumables/fuel/tank["~i~"]/capacity-gal_us",1).setValue('/',0);
+    props.getNode("/consumables/fuel/tank["~i~"]/density-ppg",1).setValue('/',0);
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls");
+foreach(var i;['anti-ice','APU','armament','autoflight','electric','engines','flight','fuel','gear','hydraulic','lighting','pneumatic','pressurization','seat'])
+    props.getNode("/controls",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/anti-ice");
+foreach(var i;['wing-heat','pitot-heat','wiper','window-heat'])
+    props.getNode("/controls/anti-ice",1).addChild(i);
+props.getNode("/controls/anti-ice",1).addChildren("engine",2);
+for(var i=0;i<2;i+=1){
+    props.getNode("/controls/anti-ice/engine["~i~"]",1).addChild("carb-heat");
+    props.getNode("/controls/anti-ice/engine["~i~"]",1).addChild("inlet-heat");
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/APU");
+props.getNode("/controls/APU",1).addChild("off-start-run");
+props.getNode("/controls/APU",1).addChild("fire-switch");
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/armament");
+props.getNode("/controls/armament",1).addChild("master-arm");
+props.getNode("/controls/armament",1).addChild("station-select");
+props.getNode("/controls/armament",1).addChild("release-all");
+props.getNode("/controls/armament",1).addChildren("station",4);
+for(var i=0;i<4;i+=1){
+    props.getNode("/controls/armament/station["~i~"]",1).addChild("stick-size");
+    props.getNode("/controls/armament/station["~i~"]",1).addChild("release-stick");
+    props.getNode("/controls/armament/station["~i~"]",1).addChild("release-all");
+    props.getNode("/controls/armament/station["~i~"]",1).addChild("jettison-all");
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/autoflight");
+foreach(var i;['autothrottle-arm','autothrottle-engage','heading-select','altitude-select','bank-angle-select','vertical-speed-select','speed-select','mach-select','vertical-mode','lateral-mode'])
+    props.getNode("/controls/autoflight",1).addChild(i);
+props.getNode("/controls/autoflight",1).addChildren("autopilot",2);
+for(var i=0;i<2;i+=1)
+    props.getNode("/controls/autoflight/autopilot["~i~"]",1).addChild("engage");
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/electric");
+foreach(var i;['battery-switch','external-power','APU-generator'])
+    props.getNode("/controls/electric",1).addChild(i);
+props.getNode("/controls/electric",1).addChildren("engine",2);
+for(var i=0;i<2;i+=1){
+    props.getNode("/controls/electric/engine["~i~"]",1).addChild("generator");
+    props.getNode("/controls/electric/engine["~i~"]",1).addChild("bus-tie");
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/engines");
+props.getNode("/controls/engines",1).addChild("throttle-idle");
+props.getNode("/controls/engines",1).addChildren("engine",2);
+for(var i=0;i<2;i+=1)
+    foreach(var j;['throttle','starter','fuel-pump','fire-switch','fire-bottle-discharge','cutoff','mixture','propeller-pitch','magnetos','boost','WEP','cowl-flaps-norm','feather','ignition','augmentation','afterburner','reverser','water-injection','condition'])
+        props.getNode("/controls/engines/engine["~i~"]",1).addChild(j);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/flight");
+foreach(var i;['aileron','aileron-trim','elevator','elevator-trim','rudder','rudder-trim','flaps','slats','BLC','spoilers','speedbrake','wing-sweep','wing-fold','drag-chute'])
+    props.getNode("/controls/flight",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/fuel");
+props.getNode("/controls/fuel",1).addChild("dump-value");
+props.getNode("/controls/fuel",1).addChildren("tank",4);
+for(var i=0;i<4;i+=1){
+    foreach(var j;['fuel-selector','to_engine','to_tank'])
+        props.getNode("/controls/fuel/tank["~i~"]",1).addChild(j);
+    props.getNode("/controls/fuel/tank["~i~"]",1).addChildren("boost-pump",4);
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/gear");
+foreach(var i;['brake-left','brake-right','brake-parking','steering','gear-down','antiskid','tailhook','tailwheel-lock'])
+    props.getNode("/controls/gear",1).addChild(i);
+props.getNode("/controls/gear",1).addChildren("wheel",4);
+for(var i=0;i<4;i+=1)
+    props.getNode("/controls/gear/wheel["~i~"]",1).addChild("alternate-extension");
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/hydraulic");
+props.getNode("/controls/hydraulic",1).addChildren("system",2);
+for(var i=0;i<2;i+=1){
+    props.getNode("/controls/hydraulic/system["~i~"]",1).addChild("engine-pump");
+    props.getNode("/controls/hydraulic/system["~i~"]",1).addChild("electric-pump");
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/lighting");
+foreach(var i;['landing-lights','turn-off-lights','formation-lights','taxi-light','logo-lights','nav-lights','beacon','strobe','panel-norm','instruments-norm','dome-norm'])
+    props.getNode("/controls/lighting",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/pneumatic");
+props.getNode("/controls/pneumatic",1).addChild("APU-bleed");
+props.getNode("/controls/pneumatic",1).addChildren("engine",2);
+for(var i=0;i<2;i+=1)
+    props.getNode("/controls/pneumatic/engine["~i~"]",1).addChild("bleed");
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/pressurization");
+foreach(var i;['mode','dump','outflow-valve'])
+    props.getNode("/controls/pressurization",1).addChild(i);
+props.getNode("/controls/pressurization",1).addChildren("pack",4);
+for(var i=0;i<4;i+=1)
+    props.getNode("/controls/pressurization/pack["~i~"]",1).addChild("pack-on");
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /controls/seat");
+foreach(var i;['vertical-adjust','fore-aft-adjust','cmd_selector_valve'])
+    props.getNode("/controls/seat",1).addChild(i);
+props.getNode("/controls/seat",1).addChildren("eject",3);
+for(var i=0;i<3;i+=1){
+    props.getNode("/controls/seat/eject["~i~"]",1).addChild("initiate");
+    props.getNode("/controls/seat/eject["~i~"]",1).addChild("status");
+}
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /engines");
+props.getNode("/engines",1).addChildren("engine",2);
+for(var i=0;i<2;i+=1)
+    foreach(var j;
+        ['fuel-flow-gph','fuel-flow-pph','thrust_lb','running','starter','cranking',
+        'n1','n2','epr','augmentation','water-injection','ignition','nozzle-pos-norm',
+        'inlet-pos-norm','reversed','cutoff','mp-osi','egt-degf','oil-temperature-degf',
+        'oil-pressure-psi','cht-degf','rpm','pitch','torque'])
+        props.getNode("/engines/engine["~i~"]",1).addChild(j);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /position");
+foreach(var i;['','altitude-agl-ft','altitude-ft','ground-elev-ft','ground-elev-m','latitude-deg','latitude-string','longitude-deg','longitude-string','sea-level-radius-ft'])
+    props.getNode("/position",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /orientation");
+foreach(var i;['roll-deg','pitch-deg','heading-deg','roll-rate-degps','pitch-rate-degps','yaw-rate-degps','side-slip-rad','side-slip-deg','alpha-deg'])
+    props.getNode("/orientation",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /velocities");
+foreach(var i;['airspeed-kt','mach','speed-north-fps','speed-east-fps','speed-down-fps','uBody-fps','vBody-fps','wBody-fps','vertical-speed-fps','glideslope'])
+    props.getNode("/velocities",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /accelerations");
+foreach(var i;['nlf','ned','pilot'])
+    props.getNode("/accelerations",1).addChild(i);
+foreach(var i;['north-accel-fps_sec','east-accel-fps_sec','down-accel-fps_sec'])
+    props.getNode("/accelerations/ned",1).addChild(i);
+foreach(var i;['x-accel-fps_sec','y-accel-fps_sec','z-accel-fps_sec'])
+    props.getNode("/accelerations/pilot",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /gear");
+props.getNode("/gear",1).addChild("serviceable");
+props.getNode("/gear",1).addChildren("gear",4);
+for(var i=0;i<4;i+=1)
+    foreach(var j;['cast-angle-deg','compression-m','compression-norm','ground-friction-factor','ground-is-solid','has-brake','rollspeed-ms','wow','xoffset-in','yoffset-in','zoffset-in'])
+        props.getNode("/gear/gear["~i~"]",1).addChild(j);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /instrumentation");
+foreach(var i;['adf','airspeed-indicator','altimeter','annunciator','clock','comm','comm[1]','dme','efis','encoder','flightdirector','gps','gps-annunciator','heading-indicator','heading-indicator-fg','magnetic-compass','marker-beacon','nav','nav[1]','radar','slip-skid-ball','tacan','transponder','turn-indicator','vertical-speed-indicator','wxradar'])
+    props.getNode("/instrumentation",1).addChild(i);
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init /rotors");
+foreach(var i;['gear','{name}'])
+    props.getNode("/rotors",1).addChild(i);
+foreach(var i;['torque-sound-filtered','total-torque'])
+    props.getNode("/rotors/gear",1).addChild(i);
+foreach(var i;['balance','bladesvisible','cone-deg','cone2-deg','roll-deg','rpm','stall','stall-filtered','tilt','torque','yaw-deg'])
+    props.getNode("/rotors/{name}",1).addChild(i);
+props.getNode("/rotors/{name}",1).addChildren("blade",8);
+for(var i=0;i<8;i+=1)
+    foreach(var j;['flap-deg','incidence-deg','position-deg'])
+        props.getNode("/rotors/{name}/blade["~i~"]",1).addChild(j);
 
 props.getNode("/sim",1).addChild("messages");
+props.getNode("/sim",1).addChild("fg-home");
 props.getNode("/sim/messages",1).addChild("copilot");
-props.getNode("/position",1).addChild("latitude-deg");
-props.getNode("/position",1).addChild("longitude-deg");
-props.getNode("/orientation",1).addChild("heading-deg");
-props.getNode("/controls",1).addChild("flight");
-props.getNode("/controls/flight",1).addChild("rudder");
 
 props.getNode("/sim/messages/copilot",1).setValue('/',"nothing");
 props.getNode("/position/latitude-deg",1).setValue('/',90);
 props.getNode("/position/longitude-deg",1).setValue('/',90);
+props.getNode("/position/altitude-ft",1).setValue('/',28.244);
+props.getNode("/position/altitude-agl-ft",1).setValue('/',22.4704);
 props.getNode("/orientation/heading-deg",1).setValue('/',90);
 props.getNode("/controls/flight/rudder",1).setValue('/',0.114);
-println("[\e[32m props     \e[0m] init done");
-println("[\e[32m fg_env    \e[0m] init done");
-println("------------------------------------------------------------");
 
-props.globals.debug();
\ No newline at end of file
+func(){
+    var tmp=nil;
+    var vec=[props.globals];
+    while(size(vec)){
+        tmp=[];
+        foreach(var i;vec){
+            if(typeof(i.val)=="hash"){
+                if(size(i.val)==0){
+                    i.setDoubleValue(0);
+                }else{
+                    foreach(var j;keys(i.val))
+                        append(tmp,i.val[j]);
+                }
+            }
+        }
+        vec=tmp;
+    }
+}();
+
+println("[\e[32m props     \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init done");
+println("[\e[32m fg_env    \e[0m] [",fg_env_global_timestamp.elapsedMSec()/1000,"] init done");
+println("-------------------------------------------------------------");
+
+foreach(var a;runtime.argv())
+    if(contains(fg_env_cli,a)){
+        fg_env_cli[a].f();
+    }
+
+
+# related doc: https://sourceforge.net/p/flightgear/fgdata/ci/next/tree/Docs/README.properties
+# ================================================================================
+# CONTROLS
+# ================================================================================
+
+# Flight Controls
+# ---------------
+# /controls/flight/aileron
+# /controls/flight/aileron-trim
+# /controls/flight/elevator
+# /controls/flight/elevator-trim
+# /controls/flight/rudder
+# /controls/flight/rudder-trim
+# /controls/flight/flaps
+# /controls/flight/slats
+# /controls/flight/BLC			// Boundary Layer Control
+# /controls/flight/spoilers
+# /controls/flight/speedbrake
+# /controls/flight/wing-sweep
+# /controls/flight/wing-fold
+# /controls/flight/drag-chute
+
+# Engines
+# -------
+# /controls/engines/throttle_idle
+# /controls/engines/engine[%d]/throttle
+# /controls/engines/engine[%d]/starter
+# /controls/engines/engine[%d]/fuel-pump
+# /controls/engines/engine[%d]/fire-switch
+# /controls/engines/engine[%d]/fire-bottle-discharge
+# /controls/engines/engine[%d]/cutoff
+# /controls/engines/engine[%d]/mixture
+# /controls/engines/engine[%d]/propeller-pitch
+# /controls/engines/engine[%d]/magnetos
+# /controls/engines/engine[%d]/boost
+# /controls/engines/engine[%d]/WEP
+# /controls/engines/engine[%d]/cowl-flaps-norm
+# /controls/engines/engine[%d]/feather
+# /controls/engines/engine[%d]/ignition
+# /controls/engines/engine[%d]/augmentation
+# /controls/engines/engine[%d]/afterburner
+# /controls/engines/engine[%d]/reverser
+# /controls/engines/engine[%d]/water-injection
+# /controls/engines/engine[%d]/condition
+
+# Fuel
+# ----
+# /controls/fuel/dump-valve
+# /controls/fuel/tank[%d]/fuel_selector
+# /controls/fuel/tank[%d]/to_engine
+# /controls/fuel/tank[%d]/to_tank
+# /controls/fuel/tank[%d]/boost-pump[%d]
+
+# /consumables/fuel/tank[%d]/level-lbs
+# /consumables/fuel/tank[%d]/level-gal_us
+# /consumables/fuel/tank[%d]/capacity-gal_us
+# /consumables/fuel/tank[%d]/density-ppg
+# /consumables/fuel/total-fuel-lbs
+# /consumables/fuel/total-gal_us
+
+
+# Gear
+# ----
+# /controls/gear/brake-left
+# /controls/gear/brake-right
+# /controls/gear/brake-parking
+# /controls/gear/steering
+# /controls/gear/gear-down
+# /controls/gear/antiskid
+# /controls/gear/tailhook
+# /controls/gear/tailwheel-lock
+# /controls/gear/wheel[%d]/alternate-extension
+
+# Anti-Ice
+# --------
+# /controls/anti-ice/wing-heat
+# /controls/anti-ice/pitot-heat
+# /controls/anti-ice/wiper
+# /controls/anti-ice/window-heat
+# /controls/anti-ice/engine[%d]/carb-heat
+# /controls/anti-ice/engine[%d]/inlet-heat
+
+# Hydraulics
+# ----------
+# /controls/hydraulic/system[%d]/engine-pump
+# /controls/hydraulic/system[%d]/electric-pump
+
+# Electric
+# --------
+# /controls/electric/battery-switch
+# /controls/electric/external-power
+# /controls/electric/APU-generator
+# /controls/electric/engine[%d]/generator
+# /controls/electric/engine[%d]/bus-tie
+
+# Pneumatic
+# ---------
+# /controls/pneumatic/APU-bleed
+# /controls/pneumatic/engine[%d]/bleed
+
+# Pressurization
+# --------------
+# /controls/pressurization/mode
+# /controls/pressurization/dump
+# /controls/pressurization/outflow-valve
+# /controls/pressurization/pack[%d]/pack-on
+
+# Lights
+# ------
+# /controls/lighting/landing-lights
+# /controls/lighting/turn-off-lights
+# /controls/lighting/formation-lights
+# /controls/lighting/taxi-light
+# /controls/lighting/logo-lights
+# /controls/lighting/nav-lights
+# /controls/lighting/beacon
+# /controls/lighting/strobe
+# /controls/lighting/panel-norm
+# /controls/lighting/instruments-norm
+# /controls/lighting/dome-norm
+
+# Armament
+# --------
+# /controls/armament/master-arm
+# /controls/armament/station-select
+# /controls/armament/release-all
+# /controls/armament/station[%d]/stick-size
+# /controls/armament/station[%d]/release-stick
+# /controls/armament/station[%d]/release-all
+# /controls/armament/station[%d]/jettison-all
+
+# Seat
+# ----
+# /controls/seat/vertical-adjust
+# /controls/seat/fore-aft-adjust
+# /controls/seat/cmd_selector_valve
+# /controls/seat/eject[%d]/initiate
+# /controls/seat/eject[%d]/status
+
+# APU
+# ---
+# /controls/APU/off-start-run
+# /controls/APU/fire-switch
+
+# Autoflight
+# ----------
+# /controls/autoflight/autopilot[%d]/engage
+# /controls/autoflight/autothrottle-arm
+# /controls/autoflight/autothrottle-engage
+# /controls/autoflight/heading-select
+# /controls/autoflight/altitude-select
+# /controls/autoflight/bank-angle-select
+# /controls/autoflight/vertical-speed-select
+# /controls/autoflight/speed-select
+# /controls/autoflight/mach-select
+# /controls/autoflight/vertical-mode
+# /controls/autoflight/lateral-mode
+
+# ================================================================================
+# FDM (Aircraft settings)
+# ================================================================================
+
+# Position
+# ---------------
+# /position/latitude-deg
+# /position/longitude-deg
+# /position/altitude-ft
+
+# Orientation
+# -----------
+# /orientation/roll-deg
+# /orientation/pitch-deg
+# /orientation/heading-deg
+
+# /orientation/roll-rate-degps
+# /orientation/pitch-rate-degps
+# /orientation/yaw-rate-degps
+
+# /orientation/side-slip-rad
+# /orientation/side-slip-deg
+# /orientation/alpha-deg
+
+# Velocities
+# ----------
+# /velocities/airspeed-kt
+# /velocities/mach
+# /velocities/speed-north-fps
+# /velocities/speed-east-fps
+# /velocities/speed-down-fps
+
+# /velocities/uBody-fps
+# /velocities/vBody-fps
+# /velocities/wBody-fps
+
+# /velocities/vertical-speed-fps
+# /velocities/glideslope
+
+# Acceleration
+# ------------
+# /accelerations/nlf
+
+# /accelerations/ned/north-accel-fps_sec
+# /accelerations/ned/east-accel-fps_sec
+# /accelerations/ned/down-accel-fps_sec
+
+# /accelerations/pilot/x-accel-fps_sec
+# /accelerations/pilot/y-accel-fps_sec
+# /accelerations/pilot/z-accel-fps_sec
+
+# Engines
+# -------
+
+# common:
+# /engines/engine[%d]/fuel-flow-gph
+# /engines/engine[%d]/fuel-flow_pph
+# /engines/engine[%d]/thrust_lb
+# /engines/engine[%d]/running
+# /engines/engine[%d]/starter
+# /engines/engine[%d]/cranking
+
+# piston:
+# /engines/engine[%d]/mp-osi
+# /engines/engine[%d]/egt-degf
+# /engines/engine[%d]/oil-temperature-degf
+# /engines/engine[%d]/oil-pressure-psi
+# /engines/engine[%d]/cht-degf
+# /engines/engine[%d]/rpm
+
+# turbine:
+# /engines/engine[%d]/n1
+# /engines/engine[%d]/n2
+# /engines/engine[%d]/epr
+# /engines/engine[%d]/augmentation
+# /engines/engine[%d]/water-injection
+# /engines/engine[%d]/ignition
+# /engines/engine[%d]/nozzle-pos-norm
+# /engines/engine[%d]/inlet-pos-norm
+# /engines/engine[%d]/reversed
+# /engines/engine[%d]/cutoff
+
+# propeller:
+# /engines/engine[%d]/rpm
+# /engines/engine[%d]/pitch
+# /engines/engine[%d]/torque
+
+
+# ================================================================================
+# LIGHT
+# ================================================================================
+# /sim/time/sun-angle-rad
+# /rendering/scene/ambient/red
+# /rendering/scene/ambient/ggreen
+# /rendering/scene/ambient/blue
+# /rendering/scene/diffuse/red
+# /rendering/scene/diffuse/green
+# /rendering/scene/diffuse/blue
+# /rendering/scene/specular/red
+# /rendering/scene/specular/green
+# /rendering/scene/specular/blue
\ No newline at end of file
diff --git a/test/auto_crash.nas b/test/auto_crash.nas
index 2322406..2a053e2 100644
--- a/test/auto_crash.nas
+++ b/test/auto_crash.nas
@@ -96,5 +96,5 @@ var toggle_auto_pilot = func(){
 # this is used to simulate the running process in fg
 # when using in fg, delete these lines below
 toggle_auto_pilot();
-road_check_timer.restart(0.5);
+road_check_timer.restart(0.1);
 simulation();
\ No newline at end of file