diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index 11c4fe55b4..0c7450de1b 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -7,6 +7,7 @@
 6. Bug - Fixed Thames agreement display to TC NE via BPK and CLN (ODUKU) - thanks to @hazzas-99
 7. Enhancement - Added basic Benbecula (EGPL) sector ownership to enable auto METAR display to Scottish - thanks to @hazzas-99
 8. Procedure Change (2311) - Added temporary Cardiff (EGFF) positions for WorldFlight - thanks to @ChrisXPP (Christoph Reule)
+9. Procedure Change (2311) - 8.33 Transition (External) - Frequencies updated for Belux and French vACCs - thanks to @hazzas-99
 
 # Changes from release 2023/09a to 2023/10
 1. Bug - Corrected Scottish TMA Mentor (STC_M_CTR) callsign prefix for alternative ownership functionality - thanks to @rishab-alt
diff --git a/Misc/Positions_Area Positions 4 External.txt b/Misc/Positions_Area Positions 4 External.txt
index 7ebb675f2a..4567db7161 100644
--- a/Misc/Positions_Area Positions 4 External.txt	
+++ b/Misc/Positions_Area Positions 4 External.txt	
@@ -30,16 +30,21 @@ EHAM_W_APP:Schiphol Approach:121.205:AMA:C:EHAM:APP:AMS:APP::
 ;Brussels
 EBBU_W_CTR:Brussels Control:131.100:B:C:EBBU:CTR:EBBU:CTR:7100:7177
 EBBU_E_CTR:Brussels Control:129.575:BE:C:EBBU:CTR:EBBU:CTR:7100:7177
+EBBU_U_CTR:Maastricht Radar:125.980:MB:C:EBBU:CTR:EBBU:CTR::
+;Withdrawn 2023/11
 EBBU_U_CTR:Maastricht Radar:126.000:MB:C:EBBU:CTR:EBBU:CTR::
 
 ;Maastricht
-EDYY_K_CTR:Maastricht Radar:132.200:MK:C:EDYY:CTR:EDYY:CTR::
-EDYY_N_CTR:Maastricht Radar:135.975:MN:C:EDYY:CTR:EDYY:CTR::
+EDYY_K_CTR:Maastricht Radar:132.205:MK:C:EDYY:CTR:EDYY:CTR::
+EDYY_N_CTR:Maastricht Radar:135.980:MN:C:EDYY:CTR:EDYY:CTR::
 EDYY_D_CTR:Maastricht Radar:135.960:MD:C:EDYY:CTR:EDYY:CTR::
 EDYY_J_CTR:Maastricht Radar:136.465:MJ:C:EDYY:CTR:EDYY:CTR::
 EDYY_JH_CTR:Maastricht Radar:129.735:MJH:C:EDYY:CTR:EDYY:CTR::
 EDYY_C_CTR:Maastricht Radar:133.955:MC:C:EDYY:CTR:EDYY:CTR::
 EDYY_CH_CTR:Maastricht Radar:128.810:MCH:C:EDYY:CTR:EDYY:CTR::
+;Withdrawn 2023/11
+EDYY_K_CTR:Maastricht Radar:132.200:MK:C:EDYY:CTR:EDYY:CTR::
+EDYY_N_CTR:Maastricht Radar:135.975:MN:C:EDYY:CTR:EDYY:CTR::
 
 ;Germany (Jever Sector)
 EDWW_A_CTR:Bremen Radar:123.925:BMA:A:EDWW:CTR:::2450:2477
@@ -48,24 +53,36 @@ EDDW_W_CTR:Bremen Radar:120.225:BMW:W:EDWW:CTR:::2450:2477
 EDWW_CTR:Bremen Radar:133.725:BMN::EDWW:CTR:::2450:2477
 
 ;France
-LFFF_CTR:Paris Control:128.100:P:C:LFFF:CTR:LFFF:CTR:5700:5767
+LFFF_CTR:Paris Control:128.105:P:C:LFFF:CTR:LFFF:CTR:5700:5767
+
 LFFF_N_CTR:Paris Control:128.875:PN:C:LFFF:CTR:LFFF:NORTH:5700:5767
 LFFF_W_CTR:Paris Control:122.575:PW:C:LFFF:CTR:LFFF:CTR:5700:5767
 
-LFEE_N_CTR:Reims Control:127.550:EEN:C:LFEE:CTR:LFEE:NORTH:5700:5767
-LFEE_CTR:Reims Control:128.300:EE:C:LFEE:CTR:LFEE:CTR:5700:5767
+LFEE_N_CTR:Reims Control:127.555:EEN:C:LFEE:CTR:LFEE:NORTH:5700:5767
+LFEE_CTR:Reims Control:128.305:EE:C:LFEE:CTR:LFEE:CTR:5700:5767
 
 LFRR_CTR:Brest Control:125.500:BR:C:LFRR:CTR:LFRR:CTR:5640:5657
 LFRR_E_CTR:Brest Control:136.000:BRE:C:LFRR:CTR:LFRR:CTR:5640:5657
-LFRR_J_CTR:Brest Control:132.500:BRJ:C:LFRR:CTR:LFRR:CTR:5640:5657
-LFRR_UE_CTR:Brest Control:130.225:BRQ:C:LFRR:CTR:LFRR:CTR:5640:5657
-LFRR-UE_CTR:Brest Control:130.225:BRQ:C:LFRR-UE:CTR:LFRR:CTR:5640:5657
+LFRR_J_CTR:Brest Control:132.510:BRJ:C:LFRR:CTR:LFRR:CTR:5640:5657
+LFRR_UE_CTR:Brest Control:130.235:BRQ:C:LFRR:CTR:LFRR:CTR:5640:5657
+LFRR-UE_CTR:Brest Control:130.235:BRQ:C:LFRR-UE:CTR:LFRR:CTR:5640:5657
 LFRR_VK_CTR:Brest Control:124.775:BRV:C:LFRR:CTR:LFRR:CTR:5640:5657
 LFRR-VK_CTR:Brest Control:124.775:BRV:C:LFRR-VK:CTR:LFRR:CTR:5640:5657
-LFRR_W_CTR:Brest Control:127.850:BRW:C:LFRR:CTR:LFRR:CTR:5640:5657
+LFRR_W_CTR:Brest Control:127.860:BRW:C:LFRR:CTR:LFRR:CTR:5640:5657
 
 LFFM_CTR:France Military Control:128.375:FM:C:LFFM:CTR:FRANCE:MIL::
 
+;France - Withdrawn 2023/11
+LFFF_CTR:Paris Control:128.100:P:C:LFFF:CTR:LFFF:CTR:5700:5767
+
+LFEE_N_CTR:Reims Control:127.550:EEN:C:LFEE:CTR:LFEE:NORTH:5700:5767
+LFEE_CTR:Reims Control:128.300:EE:C:LFEE:CTR:LFEE:CTR:5700:5767
+
+LFRR_J_CTR:Brest Control:132.500:BRJ:C:LFRR:CTR:LFRR:CTR:5640:5657
+LFRR_UE_CTR:Brest Control:130.225:BRQ:C:LFRR:CTR:LFRR:CTR:5640:5657
+LFRR-UE_CTR:Brest Control:130.225:BRQ:C:LFRR-UE:CTR:LFRR:CTR:5640:5657
+LFRR_W_CTR:Brest Control:127.850:BRW:C:LFRR:CTR:LFRR:CTR:5640:5657
+
 ;Ireland
 EISN_CTR:Shannon Control:131.150:SNE:E:EISN:CTR:-:-:6600:6677