From 6cd1273b5bb1dac3c8cc2d8480fb30356d52e48b Mon Sep 17 00:00:00 2001
From: Lars Toenning <dev@ltoenning.de>
Date: Fri, 14 Aug 2026 19:16:39 +0200
Subject: [PATCH] fix: Skip invalid EngineList JSON entries

The ACCONFIG might contain other entries which
are not numeric (like "HasEngines" sent from xPilot)
---
 src/misc/aviation/aircraftenginelist.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/misc/aviation/aircraftenginelist.cpp b/src/misc/aviation/aircraftenginelist.cpp
index fda549a1e..c43a08d5c 100644
--- a/src/misc/aviation/aircraftenginelist.cpp
+++ b/src/misc/aviation/aircraftenginelist.cpp
@@ -108,10 +108,16 @@ namespace swift::misc::aviation
         this->clear();
         for (const auto &e : json.keys())
         {
-            CAircraftEngine engine;
-            const int number = e.toInt();
+            bool ok{false};
+            const int number = e.toInt(&ok);
+            if (!ok || number <= 0)
+            {
+                // skip invalid JSON entries 
+                return;
+            }
             CJsonScope scope(e);
             Q_UNUSED(scope);
+            CAircraftEngine engine;
             engine.convertFromJson(json.value(e).toObject());
             engine.setNumber(number);
             push_back(engine);