diff --git a/rwengine/src/engine/GameState.cpp b/rwengine/src/engine/GameState.cpp
index ae30a168..1fc0fc90 100644
--- a/rwengine/src/engine/GameState.cpp
+++ b/rwengine/src/engine/GameState.cpp
@@ -108,6 +108,7 @@ GameState::GameState()
     , currentCutscene(nullptr)
     , cutsceneStartTime(-1.f)
     , isCinematic(false)
+    , hudFlash(HudFlash::Disabled)
     , cameraNear(0.1f)
     , cameraFixed(false)
     , cameraTarget(0)
diff --git a/rwengine/src/engine/GameState.hpp b/rwengine/src/engine/GameState.hpp
index 909e6eb6..ba885dc3 100644
--- a/rwengine/src/engine/GameState.hpp
+++ b/rwengine/src/engine/GameState.hpp
@@ -243,6 +243,13 @@ struct GarageInfo {
     }
 };
 
+enum class HudFlash {
+    Disabled = -1,
+    FlashArmor = 3,
+    FlashHealth = 4,
+    FlashRadar = 8
+};
+
 /**
  * Gameplay state object that holds persistent state, and references runtime
  * world state.
@@ -301,6 +308,7 @@ public:
     float cutsceneStartTime;
     /** Flag for rendering cutscene letterbox */
     bool isCinematic;
+    HudFlash hudFlash;
 
     std::string lastMissionName;
 
diff --git a/rwengine/src/script/modules/GTA3ModuleImpl.inl b/rwengine/src/script/modules/GTA3ModuleImpl.inl
index 374f9d95..ea9bcec5 100644
--- a/rwengine/src/script/modules/GTA3ModuleImpl.inl
+++ b/rwengine/src/script/modules/GTA3ModuleImpl.inl
@@ -11835,9 +11835,7 @@ void opcode_03e6(const ScriptArguments& args) {
 	@arg arg1 
 */
 void opcode_03e7(const ScriptArguments& args, const ScriptHudFlash arg1) {
-	RW_UNIMPLEMENTED_OPCODE(0x03e7);
-	RW_UNUSED(arg1);
-	RW_UNUSED(args);
+	args.getState()->hudFlash = (HudFlash)arg1;
 }
 
 /**
diff --git a/rwgame/DrawUI.cpp b/rwgame/DrawUI.cpp
index e27721c3..84af3f0a 100644
--- a/rwgame/DrawUI.cpp
+++ b/rwgame/DrawUI.cpp
@@ -32,26 +32,29 @@ void drawMap(ViewCamera& currentView, PlayerController* player,
              GameWorld* world, GameRenderer* render) {
     MapRenderer::MapInfo map;
 
-    glm::quat camRot = currentView.rotation;
+    if (world->state->hudFlash != HudFlash::FlashRadar
+        || std::fmod(world->getGameTime(), 0.5f) >= .25f) {
+        glm::quat camRot = currentView.rotation;
 
-    map.rotation = glm::roll(camRot) - glm::half_pi<float>();
-    map.worldSize = ui_worldSizeMin;
-    map.worldSize = ui_worldSizeMax;
-    if (player) {
-        map.worldCenter = glm::vec2(player->getCharacter()->getPosition());
+        map.rotation = glm::roll(camRot) - glm::half_pi<float>();
+        map.worldSize = ui_worldSizeMin;
+        map.worldSize = ui_worldSizeMax;
+        if (player) {
+            map.worldCenter = glm::vec2(player->getCharacter()->getPosition());
+        }
+
+        const glm::ivec2& vp = render->getRenderer()->getViewport();
+
+        glm::vec2 mapTop =
+            glm::vec2(ui_outerMargin, vp.y - (ui_outerMargin + ui_mapSize));
+        glm::vec2 mapBottom =
+            glm::vec2(ui_outerMargin + ui_mapSize, vp.y - ui_outerMargin);
+
+        map.screenPosition = (mapTop + mapBottom) / 2.f;
+        map.screenSize = ui_mapSize * 0.95f;
+
+        render->map.draw(world, map);
     }
-
-    const glm::ivec2& vp = render->getRenderer()->getViewport();
-
-    glm::vec2 mapTop =
-        glm::vec2(ui_outerMargin, vp.y - (ui_outerMargin + ui_mapSize));
-    glm::vec2 mapBottom =
-        glm::vec2(ui_outerMargin + ui_mapSize, vp.y - ui_outerMargin);
-
-    map.screenPosition = (mapTop + mapBottom) / 2.f;
-    map.screenSize = ui_mapSize * 0.95f;
-
-    render->map.draw(world, map);
 }
 
 void drawPlayerInfo(PlayerController* player, GameWorld* world,
@@ -104,8 +107,9 @@ void drawPlayerInfo(PlayerController* player, GameWorld* world,
 
     infoTextY += ui_textHeight;
 
-    if (player->getCharacter()->getCurrentState().health > ui_lowHealth
-        || fmod(world->getGameTime(), 0.5) >= .25) { // UI: Blinking health indicator if health is low
+    if ((world->state->hudFlash != HudFlash::FlashHealth
+        && player->getCharacter()->getCurrentState().health > ui_lowHealth)
+        || std::fmod(world->getGameTime(), 0.5f) >= .25f) { // UI: Blinking health indicator if health is low
         std::stringstream ss;
         ss << std::setw(3) << std::setfill('0')
            << (int)player->getCharacter()->getCurrentState().health;