From 28b7d17dfc1b50d2851bf25c0700f849a6bd2346 Mon Sep 17 00:00:00 2001
From: Jonathan Redpath <legoboyvdlp@gmail.com>
Date: Tue, 18 Jan 2022 12:25:01 +0000
Subject: [PATCH] Prevent flightgear crash when clearing discontinuity in empty
 plan

---
 Nasal/FMGC/flightplan.nas | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Nasal/FMGC/flightplan.nas b/Nasal/FMGC/flightplan.nas
index 97cd4156..c9cc2e91 100644
--- a/Nasal/FMGC/flightplan.nas
+++ b/Nasal/FMGC/flightplan.nas
@@ -761,6 +761,9 @@ var flightPlanController = {
 		
 		if (!me.temporaryFlag[plan]) {
 			if (text == "CLR" and me.flightplans[2].getWP(index).wp_name == "DISCONTINUITY") {
+				if (me.flightplans[2].getPlanSize() == 3 and me.flightplans[2].departure_runway == nil and me.flightplans[2].destination_runway == nil and index == 1) {
+					return 1;
+				}
 				var thePlan = 2;
 			} else {
 				fmgc.flightPlanController.createTemporaryFlightPlan(plan);