diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 14ee3befc5..cc2c7f601a 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -6322,10 +6322,11 @@ void Application::clearDomainOctreeDetails() {
         _octreeServerSceneStats.clear();
     });
 
-    _octreeProcessor.resetCompletionSequenceNumber();
     // reset the model renderer
     getEntities()->clear();
 
+    _octreeProcessor.startEntitySequence();
+
     auto skyStage = DependencyManager::get<SceneScriptingInterface>()->getSkyStage();
 
     skyStage->setBackgroundMode(graphics::SunSkyStage::SKY_DEFAULT);
diff --git a/interface/src/octree/OctreePacketProcessor.cpp b/interface/src/octree/OctreePacketProcessor.cpp
index 3f06e1579a..6dab37b1a1 100644
--- a/interface/src/octree/OctreePacketProcessor.cpp
+++ b/interface/src/octree/OctreePacketProcessor.cpp
@@ -122,7 +122,7 @@ void OctreePacketProcessor::processPacket(QSharedPointer<ReceivedMessage> messag
             OCTREE_PACKET_SEQUENCE completionNumber;
             message->readPrimitive(&completionNumber);
 
-            _completionSequenceNumber = completionNumber;
+            completionNumber;
             _safeLanding->setCompletionSequenceNumbers(0, completionNumber);
         } break;
 
@@ -132,26 +132,6 @@ void OctreePacketProcessor::processPacket(QSharedPointer<ReceivedMessage> messag
     }
 }
 
-void OctreePacketProcessor::resetCompletionSequenceNumber() {
-    _completionSequenceNumber = INVALID_SEQUENCE;
-}
-
-namespace {
-    template<typename T> bool lessThanWraparound(int a, int b) {
-        constexpr int MAX_T_VALUE = std::numeric_limits<T>::max();
-        if (b <= a) {
-            b += MAX_T_VALUE;
-        }
-        return (b - a) < (MAX_T_VALUE / 2);
-    }
-}
-
-//bool OctreePacketProcessor::octreeSequenceIsComplete(int sequenceNumber) const {
-//    // If we've received the flagged seq # and the current one is >= it.
-//    return _completionSequenceNumber != INVALID_SEQUENCE &&
-//        !lessThanWraparound<OCTREE_PACKET_SEQUENCE>(sequenceNumber, _completionSequenceNumber);
-//}
-
 void OctreePacketProcessor::startEntitySequence() {
     _safeLanding->startEntitySequence(qApp->getEntities());
 }
diff --git a/interface/src/octree/OctreePacketProcessor.h b/interface/src/octree/OctreePacketProcessor.h
index 0a1fecaf96..f9c24ddc51 100644
--- a/interface/src/octree/OctreePacketProcessor.h
+++ b/interface/src/octree/OctreePacketProcessor.h
@@ -31,9 +31,6 @@ public:
 signals:
     void packetVersionMismatch();
 
-public slots:
-    void resetCompletionSequenceNumber();
-
 protected:
     virtual void processPacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer sendingNode) override;
 
@@ -41,8 +38,6 @@ private slots:
     void handleOctreePacket(QSharedPointer<ReceivedMessage> message, SharedNodePointer senderNode);
 
 private:
-    static constexpr int INVALID_SEQUENCE = -1;
-    std::atomic<int> _completionSequenceNumber { INVALID_SEQUENCE };
     std::unique_ptr<SafeLanding> _safeLanding;
 };
 #endif // hifi_OctreePacketProcessor_h
diff --git a/interface/src/octree/SafeLanding.cpp b/interface/src/octree/SafeLanding.cpp
index c0f8b0130d..352c83dad0 100644
--- a/interface/src/octree/SafeLanding.cpp
+++ b/interface/src/octree/SafeLanding.cpp
@@ -12,7 +12,6 @@
 #include "SafeLanding.h"
 #include "EntityTreeRenderer.h"
 #include "ModelEntityItem.h"
-#include "model-networking/ModelCache.h"
 #include "InterfaceLogging.h"
 
 const int SafeLanding::SEQUENCE_MODULO = std::numeric_limits<OCTREE_PACKET_SEQUENCE>::max() + 1;
@@ -31,9 +30,6 @@ bool SafeLanding::SequenceLessThan::operator()(const int& a, const int& b) const
     return lessThanWraparound<OCTREE_PACKET_SEQUENCE>(a, b);
 }
 
-SafeLanding::SafeLanding() {
-}
-
 void SafeLanding::startEntitySequence(QSharedPointer<EntityTreeRenderer> entityTreeRenderer) {
     if (!_trackingEntities) {
         auto entityTree = entityTreeRenderer->getTree();
@@ -59,19 +55,20 @@ void SafeLanding::stopEntitySequence() {
 }
 
 void SafeLanding::addTrackedEntity(const EntityItemID& entityID) {
-    volatile EntityItemID id = entityID;
     if (_trackingEntities) {
         EntityItemPointer entity = _entityTree->findEntityByID(entityID);
-        if (entity) {
-            const auto& entityType = entity->getType();
-            // Entity types of interest:
-            static const std::set<EntityTypes::EntityType> solidTypes
-                { EntityTypes::Box, EntityTypes::Sphere, EntityTypes::Shape, EntityTypes::Model };
 
-            if (solidTypes.count(entity->getType()) && !entity->getCollisionless()) {
-                _trackedEntities.emplace(entityID, entity);
-                trackResources(entity);
-                qCDebug(interfaceapp) << "Tracking entity " << entity->getItemName();
+        if (entity && !entity->getCollisionless()) {
+            const auto& entityType = entity->getType();
+            if (entityType == EntityTypes::Model) {
+                ModelEntityItem * modelEntity = std::dynamic_pointer_cast<ModelEntityItem>(entity).get();
+                auto shapeType = modelEntity->getShapeType();
+                if (shapeType == SHAPE_TYPE_COMPOUND || shapeType == SHAPE_TYPE_STATIC_MESH ||
+                    shapeType == SHAPE_TYPE_SIMPLE_COMPOUND) {
+                    // Only track entities with downloaded collision bodies.
+                    _trackedEntities.emplace(entityID, entity);
+                    qCDebug(interfaceapp) << "Safe Landing: Tracking entity " << entity->getItemName();
+                }
             }
         }
     }
@@ -112,58 +109,46 @@ bool SafeLanding::sequenceNumbersComplete() {
     return false;
 }
 
-void SafeLanding::trackResources(EntityItemPointer entity) {
-    if (entity->getType() == EntityTypes::Model) {
-        ModelEntityItem * modelEntity = std::dynamic_pointer_cast<ModelEntityItem>(entity).get();
-        QString resourceURL;
-        QSharedPointer<Resource> resource;
-        auto shapeType = modelEntity->getShapeType();
-
-        if (shapeType == SHAPE_TYPE_COMPOUND) {
-            resourceURL = modelEntity->getCompoundShapeURL();
-            resource = DependencyManager::get<ModelCache>()->getCollisionGeometryResource(resourceURL);
-        } else if (shapeType == SHAPE_TYPE_STATIC_MESH || shapeType == SHAPE_TYPE_SIMPLE_COMPOUND) {
-            resourceURL = modelEntity->getModelURL();
-            resource = DependencyManager::get<ModelCache>()->getGeometryResource(resourceURL);
-        }
-
-        if (resource) {
-            connect(resource.data(), &Resource::loaded, this, &SafeLanding::resourceLoaded);
-            // Remove it either way:
-            connect(resource.data(), &Resource::failed, this, &SafeLanding::resourceLoaded);
-            if (!resource->isLoaded()) {
-                _trackedURLs.insert(resourceURL);
-            }
-        }
-    }
-}
-
 void SafeLanding::resourceLoaded() {
     QObject * sender = QObject::sender();
     if (sender) {
         Resource * resource = dynamic_cast<Resource*>(sender);
         const QString resourceURL = resource->getURL().toString();
         _trackedURLs.erase(resourceURL);
-        qCDebug(interfaceapp) << "Removed tracked URL" << resourceURL;
+        qCDebug(interfaceapp) << "Safe Landing: Removed tracked URL" << resourceURL;
     }
 }
 
 bool SafeLanding::isLoadSequenceComplete() {
-    if (sequenceNumbersComplete() && _trackedURLs.empty()) {
+    if (sequenceNumbersComplete() && entityPhysicsComplete()) {
         _trackingEntities = false;
         _trackedEntities.clear();
+        qCDebug(interfaceapp) << "Safe Landing: load sequence complete";
     }
 
     return !_trackingEntities;
 }
 
-void SafeLanding::DebugDumpSequenceIDs() const {
+bool SafeLanding::entityPhysicsComplete() {
+    for (auto entityMapIter = _trackedEntities.begin(); entityMapIter != _trackedEntities.end(); ++entityMapIter) {
+        auto entity = entityMapIter->second;
+        if (!entity->shouldBePhysical() || entity->isReadyToComputeShape()) {
+            entityMapIter = _trackedEntities.erase(entityMapIter);
+            if (entityMapIter == _trackedEntities.end()) {
+                break;
+            }
+        }
+    }
+    return _trackedEntities.empty();
+}
+
+void SafeLanding::debugDumpSequenceIDs() const {
     int p = -1;
     qCDebug(interfaceapp) << "Sequence set size:" << _sequenceNumbers.size();
     for (auto s: _sequenceNumbers) {
         if (p == -1) {
             p = s;
-            qCDebug(interfaceapp) << "First: " << s;
+            qCDebug(interfaceapp) << "First:" << s;
         } else {
             if (s != p + 1) {
                 qCDebug(interfaceapp) << "Gap from" << p << "to" << s << "(exclusive)";
diff --git a/interface/src/octree/SafeLanding.h b/interface/src/octree/SafeLanding.h
index e32a444784..e81746e077 100644
--- a/interface/src/octree/SafeLanding.h
+++ b/interface/src/octree/SafeLanding.h
@@ -24,9 +24,6 @@ class EntityItemID;
 
 class SafeLanding : public QObject {
 public:
-    SafeLanding();
-    ~SafeLanding() = default;
-
     void startEntitySequence(QSharedPointer<EntityTreeRenderer> entityTreeRenderer);
     void stopEntitySequence();
     void setCompletionSequenceNumbers(int first, int last);
@@ -40,8 +37,8 @@ private slots:
 
 private:
     bool sequenceNumbersComplete();
-    void trackResources(EntityItemPointer entity);
-    void DebugDumpSequenceIDs() const;
+    void debugDumpSequenceIDs() const;
+    bool entityPhysicsComplete();
 
     bool _trackingEntities { false };
     EntityTreePointer _entityTree;