diff --git a/settings.json b/settings.json
index f374745..b8d2765 100644
--- a/settings.json
+++ b/settings.json
@@ -3,7 +3,7 @@
         "scan_limit": 60,
         "max_range": 100,
         "geometry": "1492x992+113+61",
-        "last_selected_scenario": "scenario3",
+        "last_selected_scenario": "scenario_dritto",
         "connection": {
             "target": {
                 "type": "sfp",
diff --git a/target_simulator/gui/ppi_adapter.py b/target_simulator/gui/ppi_adapter.py
index 33687ca..002f901 100644
--- a/target_simulator/gui/ppi_adapter.py
+++ b/target_simulator/gui/ppi_adapter.py
@@ -70,28 +70,17 @@ def build_display_data(
 
             # Default to identity transformation if origin is not set
             x_origin_ft, y_origin_ft = 0.0, 0.0
-            heading_origin_rad = 0.0
 
             if simulation_origin:
                 origin_pos = simulation_origin.get("position_xy_ft", (0.0, 0.0))
                 x_origin_ft, y_origin_ft = origin_pos
-                heading_origin_rad = math.radians(
-                    simulation_origin.get("heading_deg", 0.0)
-                )
+                # NOTE: heading_origin_rad is intentionally not used for position anymore
 
-            # 1. Rotate the simulated position by the initial heading of the ownship.
-            # This aligns the simulation frame with the world frame (North-up).
-            cos_h = math.cos(heading_origin_rad)
-            sin_h = math.sin(heading_origin_rad)
-            x_rotated = x_sim_ft * cos_h - y_sim_ft * sin_h
-            y_rotated = x_sim_ft * sin_h + y_sim_ft * cos_h
+            # 1. Translate by the initial position of the ownship to get absolute world position.
+            x_abs_ft = x_sim_ft + x_origin_ft
+            y_abs_ft = y_sim_ft + y_origin_ft
 
-            # 2. Translate by the initial position of the ownship.
-            # This gives the absolute world position of the simulated target.
-            x_abs_ft = x_rotated + x_origin_ft
-            y_abs_ft = y_rotated + y_origin_ft
-
-            # 3. Convert absolute world coordinates to coordinates relative to current ownship.
+            # 2. Convert absolute world coordinates to coordinates relative to current ownship.
             rel_x_ft, rel_y_ft = x_abs_ft, y_abs_ft
             if ownship_pos_xy_ft:
                 rel_x_ft = x_abs_ft - ownship_pos_xy_ft[0]
@@ -106,26 +95,20 @@ def build_display_data(
             sim_target._update_current_polar_coords()
 
             try:
+                # --- START OF HEADING CORRECTION ---
+                # The heading from the simulation engine is already in the "world"
+                # frame (North-Up). No further rotation is needed.
                 heading = None
                 if engine and getattr(engine, "scenario", None):
                     t = engine.scenario.get_target(tid)
                     if t:
-                        # The target's heading is also in the simulation frame.
-                        # It must be rotated by the origin heading to be in the world frame.
-                        sim_heading_deg = getattr(t, "current_heading_deg", 0.0)
-                        world_heading_deg = (
-                            sim_heading_deg + math.degrees(heading_origin_rad)
-                        ) % 360
-                        heading = world_heading_deg
+                        heading = getattr(t, "current_heading_deg", 0.0)
 
                 if heading is None and scenario:
                     t2 = scenario.get_target(tid)
                     if t2:
-                        sim_heading_deg = getattr(t2, "current_heading_deg", 0.0)
-                        world_heading_deg = (
-                            sim_heading_deg + math.degrees(heading_origin_rad)
-                        ) % 360
-                        heading = world_heading_deg
+                        heading = getattr(t2, "current_heading_deg", 0.0)
+                # --- END OF HEADING CORRECTION ---
 
                 if heading is not None:
                     sim_target.current_heading_deg = float(heading)
@@ -174,4 +157,4 @@ def build_display_data(
             len(real_targets_for_ppi),
         )
 
-    return {"simulated": simulated_targets_for_ppi, "real": real_targets_for_ppi}
+    return {"simulated": simulated_targets_for_ppi, "real": real_targets_for_ppi}
\ No newline at end of file