diff --git a/src/GUI/QmlAircraftInfo.cxx b/src/GUI/QmlAircraftInfo.cxx
index 1d7e0d2e0..bdbaa49d0 100644
--- a/src/GUI/QmlAircraftInfo.cxx
+++ b/src/GUI/QmlAircraftInfo.cxx
@@ -49,6 +49,7 @@ protected:
 
     void installProgress(InstallRef aInstall, unsigned int bytes, unsigned int total) override
     {
+        Q_UNUSED(total)
         if (aInstall->package() == p->packageRef()) {
             p->setDownloadBytes(bytes);
         }
@@ -58,6 +59,7 @@ protected:
     {
         Q_UNUSED(aReason);
         if (aInstall->package() == p->packageRef()) {
+            p->_cachedProps.reset();
             p->checkForStates();
             p->infoChanged();
         }
@@ -135,19 +137,6 @@ static AircraftStateVec readAircraftStates(const SGPath& setXMLPath)
     return result;
 }
 
-static SGPropertyNode_ptr readAircraftAuthors(const SGPath& setXMLPath)
-{
-    SGPropertyNode_ptr root(new SGPropertyNode);
-    try {
-        readProperties(setXMLPath, root);
-    } catch (sg_exception&) {
-        return {}; // malformed include or XML, just bail
-    }
-
-    const auto authors = root->getNode("sim/authors");
-    return authors;
-}
-
 QString humanNameFromStateTag(const std::string& tag)
 {
     if (tag == "approach") return QObject::tr("On approach");
@@ -214,12 +203,12 @@ public:
         if (it == _data.end())
             return -1;
 
-        return std::distance(_data.begin(), it);
+        return static_cast<int>(std::distance(_data.begin(), it));
     }
 
-    int rowCount(const QModelIndex &parent) const override
+    int rowCount(const QModelIndex &) const override
     {
-        return _data.size();
+        return static_cast<int>(_data.size());
     }
 
     QVariant data(const QModelIndex &index, int role) const override
@@ -320,7 +309,7 @@ int QmlAircraftInfo::numVariants() const
         return _item->variants.size() + 1;
     } else if (_package) {
         // whereas for packaged aircraft we do
-        return _package->variants().size();
+        return static_cast<int>(_package->variants().size());
     }
 
     return 0;
@@ -353,8 +342,10 @@ QString QmlAircraftInfo::authors() const
 {
     SGPropertyNode_ptr structuredAuthors;
     if (_item) {
-        std::string path = pathOnDisk().toUtf8().toStdString();
-        structuredAuthors = readAircraftAuthors(SGPath::fromUtf8(path));
+        validateLocalProps();
+        if (_cachedProps)
+            structuredAuthors = _cachedProps->getNode("sim/authors");
+
         if (!structuredAuthors)
             return resolveItem()->authors;
     } else if (_package) {
@@ -531,7 +522,7 @@ QString QmlAircraftInfo::packageId() const
 int QmlAircraftInfo::packageSize() const
 {
     if (_package) {
-        return _package->fileSizeBytes();
+        return static_cast<int>(_package->fileSizeBytes());
     }
 
     return 0;
@@ -596,6 +587,31 @@ void QmlAircraftInfo::checkForStates()
     emit infoChanged();
 }
 
+void QmlAircraftInfo::validateLocalProps() const
+{
+    if (!_cachedProps) {
+        SGPath path;
+        if (_item) {
+            path = resolveItem()->path.toUtf8().toStdString();
+        } else if (_package) {
+            auto install = _package->existingInstall();
+            if (!install.valid())
+                return;
+
+            path = install->path();
+        }
+
+        if (!path.exists())
+            return;
+        _cachedProps = new SGPropertyNode;
+        try {
+            readProperties(path, _cachedProps);
+        } catch (sg_exception&) {
+            _cachedProps.reset();
+        }
+    }
+}
+
 void QmlAircraftInfo::setUri(QUrl u)
 {
     if (uri() == u)
@@ -604,6 +620,7 @@ void QmlAircraftInfo::setUri(QUrl u)
     _item.clear();
     _package.clear();
     _statesModel.reset(new StatesModel);
+    _cachedProps.clear();
 
     if (u.isLocalFile()) {
         _item = LocalAircraftCache::instance()->findItemWithUri(u);
@@ -651,27 +668,14 @@ void QmlAircraftInfo::setVariant(int variant)
         return;
 
     _variant = variant;
+    _cachedProps.clear();
+
     checkForStates();
 
     emit infoChanged();
     emit variantChanged(_variant);
 }
 
-void QmlAircraftInfo::requestInstallUpdate()
-{
-
-}
-
-void QmlAircraftInfo::requestUninstall()
-{
-
-}
-
-void QmlAircraftInfo::requestInstallCancel()
-{
-
-}
-
 QVariant QmlAircraftInfo::packageAircraftStatus(simgear::pkg::PackageRef p)
 {
     if (p->hasTag("needs-maintenance")) {
@@ -774,5 +778,75 @@ StatesModel *QmlAircraftInfo::statesModel()
     return _statesModel.data();
 }
 
+QuantityValue QmlAircraftInfo::cruiseSpeed() const
+{
+    validateLocalProps();
+    if (!_cachedProps) {
+        return {};
+    }
+
+    if (_cachedProps->hasValue("aircraft/performance/cruise/mach")) {
+        return QuantityValue{Units::Mach, _cachedProps->getDoubleValue("aircraft/performance/cruise/mach")};
+    }
+
+    if (_cachedProps->hasValue("aircraft/performance/cruise/airpseed-knots")) {
+        return QuantityValue{Units::Knots, _cachedProps->getIntValue("aircraft/performance/cruise/airpseed-knots")};
+    }
+
+    return {};
+}
+
+QuantityValue QmlAircraftInfo::approachSpeed() const
+{
+    validateLocalProps();
+    if (!_cachedProps) {
+        return {};
+    }
+
+    if (_cachedProps->hasValue("aircraft/performance/approach/airpseed-knots")) {
+        return QuantityValue{Units::Knots, _cachedProps->getIntValue("aircraft/performance/approach/airpseed-knots")};
+    }
+
+    return {};
+}
+
+QuantityValue QmlAircraftInfo::cruiseAltitude() const
+{
+    validateLocalProps();
+    if (!_cachedProps) {
+        return {};
+    }
+
+    if (_cachedProps->hasValue("aircraft/performance/cruise/flight-level")) {
+        return QuantityValue{Units::FlightLevel, _cachedProps->getIntValue("aircraft/performance/cruise/flight-level")};
+    }
+
+    if (_cachedProps->hasValue("aircraft/performance/cruise/airpseed-knots")) {
+        return QuantityValue{Units::FeetMSL, _cachedProps->getIntValue("aircraft/performance/cruise/altitude-ft")};
+    }
+
+    return {};
+}
+
+QString QmlAircraftInfo::icaoType() const
+{
+    validateLocalProps();
+    if (!_cachedProps) {
+        return {};
+    }
+
+    return QString::fromStdString(_cachedProps->getStringValue("aircraft/icao/type"));
+}
+
+bool QmlAircraftInfo::isSpeedBelowLimits(QuantityValue speed) const
+{
+    return true;
+}
+
+bool QmlAircraftInfo::isAltitudeBelowLimits(QuantityValue speed) const
+{
+    return true;
+}
+
 #include "QmlAircraftInfo.moc"
 
diff --git a/src/GUI/QmlAircraftInfo.hxx b/src/GUI/QmlAircraftInfo.hxx
index 2b429a006..37855db46 100644
--- a/src/GUI/QmlAircraftInfo.hxx
+++ b/src/GUI/QmlAircraftInfo.hxx
@@ -11,6 +11,8 @@
 #include <simgear/package/Catalog.hxx>
 #include <simgear/package/Package.hxx>
 
+#include "UnitsModel.hxx"
+
 struct AircraftItem;
 typedef QSharedPointer<AircraftItem> AircraftItemPtr;
 
@@ -25,20 +27,19 @@ class QmlAircraftInfo : public QObject
 
     Q_PROPERTY(QVariantList previews READ previews NOTIFY infoChanged)
     Q_PROPERTY(int numVariants READ numVariants NOTIFY infoChanged)
+    Q_PROPERTY(QStringList variantNames READ variantNames NOTIFY infoChanged)
 
     Q_PROPERTY(QString name READ name NOTIFY infoChanged)
     Q_PROPERTY(QString description READ description NOTIFY infoChanged)
     Q_PROPERTY(QString authors READ authors NOTIFY infoChanged)
-
     Q_PROPERTY(QUrl thumbnail READ thumbnail NOTIFY infoChanged)
+    Q_PROPERTY(QVariantList ratings READ ratings NOTIFY infoChanged)
 
     Q_PROPERTY(QString pathOnDisk READ pathOnDisk NOTIFY infoChanged)
-
     Q_PROPERTY(QString packageId READ packageId NOTIFY infoChanged)
-
     Q_PROPERTY(int packageSize READ packageSize NOTIFY infoChanged)
-
     Q_PROPERTY(int downloadedBytes READ downloadedBytes NOTIFY downloadChanged)
+    Q_PROPERTY(bool isPackaged READ isPackaged NOTIFY infoChanged)
 
     Q_PROPERTY(QVariant status READ status NOTIFY infoChanged)
     Q_PROPERTY(QVariant installStatus READ installStatus NOTIFY downloadChanged)
@@ -49,21 +50,13 @@ class QmlAircraftInfo : public QObject
     Q_PROPERTY(QUrl supportUrl READ supportUrl NOTIFY infoChanged)
     Q_PROPERTY(QUrl wikipediaUrl READ wikipediaUrl NOTIFY infoChanged)
 
+    Q_PROPERTY(QuantityValue cruiseSpeed READ cruiseSpeed NOTIFY infoChanged)
+    Q_PROPERTY(QuantityValue cruiseAltitude READ cruiseAltitude NOTIFY infoChanged)
+    Q_PROPERTY(QuantityValue approachSpeed READ approachSpeed NOTIFY infoChanged)
 
-    Q_INVOKABLE void requestInstallUpdate();
-
-    Q_INVOKABLE void requestUninstall();
-
-    Q_INVOKABLE void requestInstallCancel();
-
-    Q_PROPERTY(QVariantList ratings READ ratings NOTIFY infoChanged)
-
-    Q_PROPERTY(QStringList variantNames READ variantNames NOTIFY infoChanged)
-
-    Q_PROPERTY(bool isPackaged READ isPackaged NOTIFY infoChanged)
+    Q_PROPERTY(QString icaoType READ icaoType NOTIFY infoChanged)
 
     Q_PROPERTY(bool hasStates READ hasStates NOTIFY infoChanged)
-
     Q_PROPERTY(StatesModel* statesModel READ statesModel NOTIFY infoChanged)
 
 public:
@@ -123,6 +116,16 @@ public:
     static const int StateExplicitRole;
 
     StatesModel* statesModel();
+
+    QuantityValue cruiseSpeed() const;
+    QuantityValue approachSpeed() const;
+    QuantityValue cruiseAltitude() const;
+
+    QString icaoType() const;
+
+    Q_INVOKABLE bool isSpeedBelowLimits(QuantityValue speed) const;
+    Q_INVOKABLE bool isAltitudeBelowLimits(QuantityValue speed) const;
+
 signals:
     void uriChanged();
     void infoChanged();
@@ -139,14 +142,20 @@ private:
     AircraftItemPtr resolveItem() const;
     void checkForStates();
 
+    void validateLocalProps() const;
+
     class Delegate;
     std::unique_ptr<Delegate> _delegate;
 
     simgear::pkg::PackageRef _package;
     AircraftItemPtr _item;
-    int _variant = 0;
+    quint32 _variant = 0;
     int _downloadBytes = 0;
     QScopedPointer<StatesModel> _statesModel;
+
+    /// if the aircraft is locally installed, this is the cached
+    /// parsed contents of the -set.xml.
+    mutable SGPropertyNode_ptr _cachedProps;
 };
 
 #endif // QMLAIRCRAFTINFO_HXX
diff --git a/src/GUI/UnitsModel.cxx b/src/GUI/UnitsModel.cxx
index bdb2f7edf..0f81e72d8 100644
--- a/src/GUI/UnitsModel.cxx
+++ b/src/GUI/UnitsModel.cxx
@@ -287,6 +287,14 @@ QuantityValue::QuantityValue(Units::Type u, double v) :
 {
 }
 
+QuantityValue::QuantityValue(Units::Type u, int v) :
+    value(static_cast<double>(v)),
+    unit(u)
+{
+    assert(static_unitData.at(u).decimals == 0);
+}
+
+
 QuantityValue QuantityValue::convertToUnit(Units::Type u) const
 {
     // special case a no-change
@@ -331,6 +339,7 @@ QuantityValue QuantityValue::convertToUnit(Units::Type u) const
             // use the value at sea level for now
             return {u, value / 667.0};
         }
+        break;
     }
 
     case Units::Knots:
@@ -340,6 +349,7 @@ QuantityValue QuantityValue::convertToUnit(Units::Type u) const
             // use the value at sea level for now
             return {u, value * 667.0};
         }
+        break;
     }
 
     case Units::DegreesMagnetic:
@@ -350,6 +360,7 @@ QuantityValue QuantityValue::convertToUnit(Units::Type u) const
         if ((unit == Units::DegreesMagnetic) || (unit == Units::DegreesTrue)) {
             return {u, value};
         }
+        break;
     }
 
     case Units::FlightLevel:
diff --git a/src/GUI/UnitsModel.hxx b/src/GUI/UnitsModel.hxx
index 845becc11..cfc44afcf 100644
--- a/src/GUI/UnitsModel.hxx
+++ b/src/GUI/UnitsModel.hxx
@@ -86,6 +86,8 @@ public:
 
     QuantityValue(Units::Type u, double v);
 
+    QuantityValue(Units::Type u, int v);
+
     QuantityValue convertToUnit(Units::Type u) const;
 
     Q_INVOKABLE QuantityValue convertToUnit(int u) const;