diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/HelicopterHudOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/HelicopterHudOverlay.java
index e876ccfd3..9c0b592aa 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/HelicopterHudOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/HelicopterHudOverlay.java
@@ -79,7 +79,7 @@ public class HelicopterHudOverlay {
 
                 float power = iHelicopterEntity.getPower();
                 lerpPower = Mth.lerp(0.001f * event.getPartialTick(), lerpPower, power);
-                preciseBlit(event.getGuiGraphics(), ModUtils.loc("textures/screens/helicopter/heli_power.png"),  (float) w / 2 + 130f,  ((float) h / 2 - 64 + 124 - power * 900), 0, 0, 4, power * 900, 4, power * 900);
+                preciseBlit(event.getGuiGraphics(), ModUtils.loc("textures/screens/helicopter/heli_power.png"),  (float) w / 2 + 130f,  ((float) h / 2 - 64 + 124 - power * 970), 0, 0, 4, power * 970, 4, power * 970);
                 lerpVy = (float) Mth.lerp(0.021f * event.getPartialTick(), lerpVy, mobileVehicle.getDeltaMovement().y() + 0.06f);
                 preciseBlit(event.getGuiGraphics(), ModUtils.loc("textures/screens/helicopter/heli_vy_move.png"), (float) w / 2 + 100, ((float) h / 2 - 64 - Math.max(lerpVy, 0) * 100f), 0, 0, 64, 128, 64, 128);
                 event.getGuiGraphics().drawString(Minecraft.getInstance().font, Component.literal(new DecimalFormat("##").format(mobileVehicle.getY())),
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/Ah6Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/Ah6Entity.java
index 9e9a92c8e..a3a1ffa2c 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/Ah6Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/Ah6Entity.java
@@ -131,21 +131,23 @@ public class Ah6Entity extends MobileVehicleEntity implements GeoEntity, IHelico
             this.setXRot(Mth.clamp(this.getXRot() + (this.onGround() ? 0 : 1.2f) * diffX * this.entityData.get(POWER), -80, 80));
             this.setZRot(Mth.clamp(this.getRoll() - this.entityData.get(DELTA_ROT) + (this.onGround() ? 0 : 0.75f) * diffY * this.entityData.get(POWER), -50, 50));
 
-            if (this.upInputDown || this.forwardInputDown) {
-                this.entityData.set(POWER, Math.min(this.entityData.get(POWER) + 0.002f, 0.12f));
-            }
+            if (this.level() instanceof ServerLevel) {
+                if (this.upInputDown || this.forwardInputDown) {
+                    this.entityData.set(POWER, Math.min(this.entityData.get(POWER) + 0.002f, 0.12f));
+                }
 
-            if (this.downInputDown || this.backInputDown) {
-                this.entityData.set(POWER, Math.max(this.entityData.get(POWER) - 0.0015f, 0));
-            }
+                if (this.downInputDown || this.backInputDown) {
+                    this.entityData.set(POWER, Math.max(this.entityData.get(POWER) - 0.0015f, 0));
+                }
 
 //            player.displayClientMessage(Component.literal("Angle:" + new java.text.DecimalFormat("##.##").format(this.getDeltaMovement().y())), true);
 
-            if(!(this.upInputDown || this.forwardInputDown || this.downInputDown || this.backInputDown)) {
-                if (this.getDeltaMovement().y() + 0.06 < 0) {
-                    this.entityData.set(POWER, Math.min(this.entityData.get(POWER) + 0.0002f, 0.12f));
-                } else {
-                    this.entityData.set(POWER, Math.max(this.entityData.get(POWER) - 0.0006f, 0));
+                if(!(this.upInputDown || this.forwardInputDown || this.downInputDown || this.backInputDown)) {
+                    if (this.getDeltaMovement().y() + 0.06 < 0) {
+                        this.entityData.set(POWER, Math.min(this.entityData.get(POWER) + 0.0002f, 0.12f));
+                    } else {
+                        this.entityData.set(POWER, Math.max(this.entityData.get(POWER) - 0.0006f, 0));
+                    }
                 }
             }
         }
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/VehicleEntity.java b/src/main/java/com/atsuishio/superbwarfare/entity/VehicleEntity.java
index 38d5101a9..fd840c84e 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/VehicleEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/VehicleEntity.java
@@ -161,11 +161,16 @@ public class VehicleEntity extends Entity {
     }
 
     public void heal(float pHealAmount) {
-        this.setHealth(this.getHealth() + pHealAmount);
+        if (this.level() instanceof ServerLevel) {
+            this.setHealth(this.getHealth() + pHealAmount);
+        }
+
     }
 
     public void hurt(float pHealAmount) {
-        this.setHealth(this.getHealth() - pHealAmount);
+        if (this.level() instanceof ServerLevel) {
+            this.setHealth(this.getHealth() - pHealAmount);
+        }
     }
 
     public float getHealth() {