diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index 94e9287bba..5542468ffa 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -1,3 +1,5 @@
+#. AIRAC (2412) - Changed Jever sector top-down orders and vertical limits - thanks to @khardern
+
 # Changes from release 2024/09 to 2024/10
 1. AIRAC (2410) - Updated Manchester (EGCC) Zulu taxiways and holds - thanks to @rishab-alt
 2. AIRAC (2410) - Updated London City (EGLC) Runway coordinates - thanks to @AdriTheDev (Callum Hicks)
diff --git a/Agreements/External/Hum_YY-J.txt b/Agreements/External/Hum_YY-J.txt
deleted file mode 100644
index 9840fec68f..0000000000
--- a/Agreements/External/Hum_YY-J.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-FIR_COPX:*:*:RENEQ:*:*:Humber:EDYY Jever:*:*:RENEQ
-
-FIR_COPX:*:*:LONAM:*:*:Humber:EDYY Jever:*:*:LONAM
diff --git a/Agreements/External/Hum_YY-JL.txt b/Agreements/External/Hum_YY-JL.txt
new file mode 100644
index 0000000000..dc011399b2
--- /dev/null
+++ b/Agreements/External/Hum_YY-JL.txt
@@ -0,0 +1,3 @@
+FIR_COPX:*:*:RENEQ:*:*:Humber:EDYY Jever Low:*:*:RENEQ
+
+FIR_COPX:*:*:LONAM:*:*:Humber:EDYY Jever Low:*:*:LONAM
diff --git a/Agreements/External/YY-JL_Hum.txt b/Agreements/External/YY-JL_Hum.txt
new file mode 100644
index 0000000000..7d389085c2
--- /dev/null
+++ b/Agreements/External/YY-JL_Hum.txt
@@ -0,0 +1,5 @@
+FIR_COPX:*:*:RENEQ:*:*:EDYY Jever Low:Humber:*:*:RENEQ
+
+FIR_COPX:EHAM:*:LONAM:*:*:EDYY Jever Low:Humber:32000:*:^LONAM
+
+FIR_COPX:*:*:LONAM:*:*:EDYY Jever Low:Humber:*:*:LONAM
diff --git a/Agreements/External/YY-J_Hum.txt b/Agreements/External/YY-J_Hum.txt
deleted file mode 100644
index c93f9013f7..0000000000
--- a/Agreements/External/YY-J_Hum.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-FIR_COPX:*:*:RENEQ:*:*:EDYY Jever:Humber:*:*:RENEQ
-
-FIR_COPX:EHAM:*:LONAM:*:*:EDYY Jever:Humber:32000:*:^LONAM
-
-FIR_COPX:*:*:LONAM:*:*:EDYY Jever:Humber:*:*:LONAM
diff --git a/Area Positions/4 External.txt b/Area Positions/4 External.txt
index 756ea831ff..558cf100eb 100644
--- a/Area Positions/4 External.txt	
+++ b/Area Positions/4 External.txt	
@@ -36,8 +36,10 @@ EBBU_U_CTR:Maastricht Radar:125.980:MB:C:EBBU:CTR:EBBU: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_JL_CTR:Maastricht Radar:136.465:MJL:C:EDYY:CTR:EDYY:CTR::
 EDYY_JH_CTR:Maastricht Radar:129.735:MJH:C:EDYY:CTR:EDYY:CTR::
+EDYY_HH_CTR:Maastricht Radar:132.780:MHH:C:EDYY:CTR:EDYY:CTR::
+EDYY_BB_CTR:Maastricht Radar:129.840:MBB: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::
 
diff --git a/Sector Boundaries/Lines - PACC.txt b/Sector Boundaries/Lines - PACC.txt
index 60ba5f8855..b6df948503 100644
--- a/Sector Boundaries/Lines - PACC.txt	
+++ b/Sector Boundaries/Lines - PACC.txt	
@@ -212,7 +212,8 @@ COORD:N055.00.00.000:E005.00.00.000
 COORD:N054.30.00.000:E004.32.09.000
 
 SECTORLINE:Humber_EHAA_EDYY-J
-DISPLAY:Humber:Humber:EDYY Jever
+DISPLAY:Humber:Humber:EDYY Jever Low
+DISPLAY:Humber:Humber:EDYY Jever High
 DISPLAY:Humber:Humber:EHAA
 COORD:N054.30.00.000:E004.32.09.000
 COORD:N053.34.11.000:E003.42.22.000
diff --git a/Sector Ownership/Non-UK/Maastricht.txt b/Sector Ownership/Non-UK/Maastricht.txt
index ec0216072e..4cdf5d8c72 100644
--- a/Sector Ownership/Non-UK/Maastricht.txt	
+++ b/Sector Ownership/Non-UK/Maastricht.txt	
@@ -1,9 +1,9 @@
-SECTOR:EDYY Jever:24500:35500
-OWNER:MJ:MC:BME:BMA:BMW:BMN:EM
+SECTOR:EDYY Jever Low:24500:36500
+OWNER:MJL:MJH:MHH:MBB:BME:BMA:BMW:BMN:EM
 BORDER:Hum_EHAA DB-195 Border:Humber_EHAA_EDYY-J:EDYY_D-J:EDYY-J:EKDK_EDYY-J
 
-SECTOR:EDYY Jever High:35500:66000
-OWNER:MJH:MCH:MJ:MC:BME:BMA:BMW:BMN:EM
+SECTOR:EDYY Jever High:36500:66000
+OWNER:MJH:MHH:MJL:MBB:BME:BMA:BMW:BMN:EM
 BORDER:Hum_EHAA DB-195 Border:Humber_EHAA_EDYY-J:EDYY_D-J:EDYY-J:EKDK_EDYY-J
 
 SECTOR:EDYY Delta:24500:66000