diff --git a/hsim-a318ceo/src/base/lvfr-horizonsim-airbus-a318-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a318-ceo/FMC/A318HS_FMCMainDisplay.js b/hsim-a318ceo/src/base/lvfr-horizonsim-airbus-a318-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a318-ceo/FMC/A318HS_FMCMainDisplay.js
index 499ad1b5..728503da 100644
--- a/hsim-a318ceo/src/base/lvfr-horizonsim-airbus-a318-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a318-ceo/FMC/A318HS_FMCMainDisplay.js
+++ b/hsim-a318ceo/src/base/lvfr-horizonsim-airbus-a318-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a318-ceo/FMC/A318HS_FMCMainDisplay.js
@@ -4600,7 +4600,7 @@ class FMCMainDisplay extends BaseAirliners {
     }
 
     isPdFormat(s) {
-        const pd = s.match(/^([^\/]+)\/([0-9]{1,3}(\.[0-9])?)$/);
+        const pd = s.match(/^([^\/]+)\/([\-\+]?[0-9]{1,3}(\.[0-9])?)$/);
         return pd !== null && this.isPlaceFormat(pd[1]);
     }
 
diff --git a/hsim-a319ceo/src/base/lvfr-horizonsim-airbus-a319-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a319-ceo/FMC/A319HS_FMCMainDisplay.js b/hsim-a319ceo/src/base/lvfr-horizonsim-airbus-a319-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a319-ceo/FMC/A319HS_FMCMainDisplay.js
index 499ad1b5..728503da 100644
--- a/hsim-a319ceo/src/base/lvfr-horizonsim-airbus-a319-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a319-ceo/FMC/A319HS_FMCMainDisplay.js
+++ b/hsim-a319ceo/src/base/lvfr-horizonsim-airbus-a319-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a319-ceo/FMC/A319HS_FMCMainDisplay.js
@@ -4600,7 +4600,7 @@ class FMCMainDisplay extends BaseAirliners {
     }
 
     isPdFormat(s) {
-        const pd = s.match(/^([^\/]+)\/([0-9]{1,3}(\.[0-9])?)$/);
+        const pd = s.match(/^([^\/]+)\/([\-\+]?[0-9]{1,3}(\.[0-9])?)$/);
         return pd !== null && this.isPlaceFormat(pd[1]);
     }
 
diff --git a/hsim-a320ceo/src/base/lvfr-horizonsim-airbus-a320-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a320-ceo/FMC/A320HS_FMCMainDisplay.js b/hsim-a320ceo/src/base/lvfr-horizonsim-airbus-a320-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a320-ceo/FMC/A320HS_FMCMainDisplay.js
index 499ad1b5..728503da 100644
--- a/hsim-a320ceo/src/base/lvfr-horizonsim-airbus-a320-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a320-ceo/FMC/A320HS_FMCMainDisplay.js
+++ b/hsim-a320ceo/src/base/lvfr-horizonsim-airbus-a320-ceo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a320-ceo/FMC/A320HS_FMCMainDisplay.js
@@ -4600,7 +4600,7 @@ class FMCMainDisplay extends BaseAirliners {
     }
 
     isPdFormat(s) {
-        const pd = s.match(/^([^\/]+)\/([0-9]{1,3}(\.[0-9])?)$/);
+        const pd = s.match(/^([^\/]+)\/([\-\+]?[0-9]{1,3}(\.[0-9])?)$/);
         return pd !== null && this.isPlaceFormat(pd[1]);
     }
 
diff --git a/hsim-a321neo/src/base/lvfr-horizonsim-airbus-a321-neo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a321-neo/FMC/A21NHS_FMCMainDisplay.js b/hsim-a321neo/src/base/lvfr-horizonsim-airbus-a321-neo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a321-neo/FMC/A21NHS_FMCMainDisplay.js
index 499ad1b5..728503da 100644
--- a/hsim-a321neo/src/base/lvfr-horizonsim-airbus-a321-neo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a321-neo/FMC/A21NHS_FMCMainDisplay.js
+++ b/hsim-a321neo/src/base/lvfr-horizonsim-airbus-a321-neo/html_ui/Pages/VCockpit/Instruments/Airliners/lvfr-horizonsim-airbus-a321-neo/FMC/A21NHS_FMCMainDisplay.js
@@ -4600,7 +4600,7 @@ class FMCMainDisplay extends BaseAirliners {
     }
 
     isPdFormat(s) {
-        const pd = s.match(/^([^\/]+)\/([0-9]{1,3}(\.[0-9])?)$/);
+        const pd = s.match(/^([^\/]+)\/([\-\+]?[0-9]{1,3}(\.[0-9])?)$/);
         return pd !== null && this.isPlaceFormat(pd[1]);
     }