diff --git a/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java b/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
index 7e48062e5..9416899c0 100644
--- a/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
+++ b/core/src/net/sf/openrocket/simulation/BasicEventSimulationEngine.java
@@ -128,7 +128,7 @@ public class BasicEventSimulationEngine implements SimulationEngine {
 					if (nextEvent != null) {
 						maxStepTime = MathUtil.max(nextEvent.getTime() - currentStatus.getSimulationTime(), 0.001);
 					}
-					log.trace("BasicEventSimulationEngine: Taking simulation step at t=" + currentStatus.getSimulationTime());
+					log.trace("BasicEventSimulationEngine: Taking simulation step at t=" + currentStatus.getSimulationTime() + " altitude " + oldAlt);
 					currentStepper.step(currentStatus, maxStepTime);
 				}
 				SimulationListenerHelper.firePostStep(currentStatus);
@@ -319,6 +319,7 @@ public class BasicEventSimulationEngine implements SimulationEngine {
 			}
 			
 			// Handle event
+			log.trace("Handling event " + event);			
 			switch (event.getType()) {
 			
 			case LAUNCH: {
@@ -486,7 +487,7 @@ public class BasicEventSimulationEngine implements SimulationEngine {
 				break;
 			
 			case ALTITUDE:
-				log.trace("BasicEventSimulationEngine:  Handling event " + event);
+				// nothing special needs to be done for this event
 				break;
 			
 			case TUMBLE:
diff --git a/core/src/net/sf/openrocket/simulation/RK4SimulationStepper.java b/core/src/net/sf/openrocket/simulation/RK4SimulationStepper.java
index ced30ce51..38f0eb7db 100644
--- a/core/src/net/sf/openrocket/simulation/RK4SimulationStepper.java
+++ b/core/src/net/sf/openrocket/simulation/RK4SimulationStepper.java
@@ -182,7 +182,7 @@ public class RK4SimulationStepper extends AbstractSimulationStepper {
 		double thrustEstimate = store.thrustForce;
 		store.thrustForce = calculateAverageThrust(status, store.timestep, store.longitudinalAcceleration,
 				store.atmosphericConditions, true);
-		log.trace("Thrust at time " + store.timestep + " thrustForce = " + store.thrustForce);
+		log.trace("Thrust = " + store.thrustForce);
 		double thrustDiff = Math.abs(store.thrustForce - thrustEstimate);
 		// Log if difference over 1%, recompute if over 10%
 		if (thrustDiff > 0.01 * thrustEstimate) {