Booleans and conditionals: Monitor the shuttle's fuel status

conditionals.js

@@ -3,7 +3,9 @@ let spaceSuitsOn = true;
 let shuttleCabinReady = true;
 let crewStatus = spaceSuitsOn && shuttleCabinReady;
 let computerStatusCode = 200;
-let shuttleSpeed = 15000;
+let shuttleSpeed = 15_000;
+let fuelLevel = 20_000;
+let engineTemperature = 2500;
 
 if (crewStatus) {
 	console.log('Crew Ready');
@@ -19,7 +21,7 @@ if (computerStatusCode === 200) {
 	console.log('ALERT:Computer offline!');
 }
 
-if (shuttleSpeed > 17500) {
+if (shuttleSpeed > 17_500) {
 	console.log('ALERT: Escape velocity reached!');
 } else if (shuttleSpeed < 8000) {
 	console.log('ALERT: Cannot maintain orbit!');
@@ -27,3 +29,17 @@ if (shuttleSpeed > 17500) {
 	console.log('Stable speed');
 }
 
+if (fuelLevel < 1000 || engineTemperature > 3500 || engineIndicatorLight === 'red blinking') {
+	console.log('ENGINE FAILURE IMMINENT!');
+} else if (fuelLevel <= 5000 || engineTemperature > 2500) {
+	console.log('Check fuel level. Engines running hot.');
+} else if (fuelLevel > 20_000 && engineTemperature <= 2500) {
+	console.log('Full tank. Engines good.');
+} else if (fuelLevel > 10_000 && engineTemperature <= 2500) {
+	console.log('Fuel level above 50%. Engines good.');
+} else if (fuelLevel > 5000 && engineTemperature <= 2500) {
+	console.log('Fuel level above 25%. Engines good.');
+} else {
+	console.log('Fuel and engine status pending...');
+}
+