diff --git a/src/blackmisc/aviation/aircraftparts.cpp b/src/blackmisc/aviation/aircraftparts.cpp
index 85f4f021a..faa22826f 100644
--- a/src/blackmisc/aviation/aircraftparts.cpp
+++ b/src/blackmisc/aviation/aircraftparts.cpp
@@ -25,7 +25,8 @@ namespace BlackMisc
         QString CAircraftParts::convertToQString(bool i18n) const
         {
             return QStringLiteral("ts: ") % this->getFormattedTimestampAndOffset(true) %
-                   QStringLiteral(" on ground: ") % BlackMisc::boolToYesNo(m_isOnGround) %
+                   QStringLiteral(" details: ") % this->getPartsDetailsAsString() %
+                   QStringLiteral(" | on ground: ") % BlackMisc::boolToYesNo(m_isOnGround) %
                    QStringLiteral(" | lights: ") % m_lights.toQString(i18n) %
                    QStringLiteral(" | gear down: ") % BlackMisc::boolToYesNo(m_gearDown) %
                    QStringLiteral(" | flaps pct: ") % QString::number(m_flapsPercentage) %
@@ -77,9 +78,26 @@ namespace BlackMisc
                 }
             }
             parts.setEngines(engines);
+            parts.setPartsDetails(GuessedParts);
             return parts;
         }
 
+        const QString &CAircraftParts::partsDetailsToString(CAircraftParts::PartsDetails details)
+        {
+            static const QString guessed("guessed");
+            static const QString notset("not set");
+            static const QString fsd("FSD parts");
+
+            switch (details)
+            {
+            case GuessedParts: return guessed;
+            case FSDAircraftParts: return fsd;
+            case NotSet: break;
+            default: break;
+            }
+            return notset;
+        }
+
         CVariant CAircraftParts::propertyByIndex(const BlackMisc::CPropertyIndex &index) const
         {
             if (index.isMyself()) { return CVariant::from(*this); }
diff --git a/src/blackmisc/aviation/aircraftparts.h b/src/blackmisc/aviation/aircraftparts.h
index add2876d0..fd438a5bc 100644
--- a/src/blackmisc/aviation/aircraftparts.h
+++ b/src/blackmisc/aviation/aircraftparts.h
@@ -48,6 +48,14 @@ namespace BlackMisc
                 IndexOnGround
             };
 
+            //! Parts Details
+            enum PartsDetails
+            {
+                NotSet,
+                FSDAircraftParts,
+                GuessedParts
+            };
+
             //! Default constructor
             CAircraftParts() {}
 
@@ -130,6 +138,15 @@ namespace BlackMisc
             //! Set aircraft on ground
             void setOnGround(bool onGround) { m_isOnGround = onGround; }
 
+            //! Get parts details
+            PartsDetails getPartsDetails() const { return static_cast<PartsDetails>(m_partsDetails); }
+
+            //! Parts details as string
+            const QString &getPartsDetailsAsString() const { return partsDetailsToString(this->getPartsDetails()); }
+
+            //! Set parts details
+            void setPartsDetails(PartsDetails details) { m_partsDetails = static_cast<int>(details); }
+
             //! Guess the parts
             void guessParts(const CAircraftSituation &situation);
 
@@ -142,9 +159,13 @@ namespace BlackMisc
             //! Guessed parts
             static CAircraftParts guessedParts(const CAircraftSituation &situation, bool vtol = false, int engineNumber = 4);
 
+            //! Convert to QString
+            static const QString &partsDetailsToString(PartsDetails details);
+
         private:
             CAircraftLights m_lights;
             CAircraftEngineList m_engines;
+            int m_partsDetails = static_cast<int>(NotSet);
             int m_flapsPercentage  = 0;
             bool m_gearDown    = false;
             bool m_spoilersOut = false;
@@ -158,6 +179,7 @@ namespace BlackMisc
                 BLACK_METAMEMBER_NAMED(spoilersOut, "spoilers_out"),
                 BLACK_METAMEMBER_NAMED(engines, "engines"),
                 BLACK_METAMEMBER_NAMED(isOnGround, "on_ground"),
+                BLACK_METAMEMBER(partsDetails, 0, DisabledForJson | DisabledForComparison),
                 BLACK_METAMEMBER(timestampMSecsSinceEpoch, 0, DisabledForJson | DisabledForComparison),
                 BLACK_METAMEMBER(timeOffsetMs, 0, DisabledForJson | DisabledForComparison)
             );
diff --git a/src/blackmisc/simulation/remoteaircraftprovider.cpp b/src/blackmisc/simulation/remoteaircraftprovider.cpp
index f2d319644..2a67e73e7 100644
--- a/src/blackmisc/simulation/remoteaircraftprovider.cpp
+++ b/src/blackmisc/simulation/remoteaircraftprovider.cpp
@@ -257,9 +257,10 @@ namespace BlackMisc
                 CLogMessage::preformatted(message);
             }
 
-            // make sure in any case right time
+            // make sure in any case right time and correct details
             parts.setCurrentUtcTime();
             parts.setTimeOffsetMs(currentOffset);
+            parts.setPartsDetails(CAircraftParts::FSDAircraftParts);
 
             // store part history (parts always absolute)
             this->storeAircraftParts(callsign, parts, false);