diff --git a/Models/Instruments/PFD/PFD1.xml b/Models/Instruments/PFD/PFD1.xml
index 62c96092..c43a77eb 100644
--- a/Models/Instruments/PFD/PFD1.xml
+++ b/Models/Instruments/PFD/PFD1.xml
@@ -2733,19 +2733,73 @@
+
+ mng-alt
+
+ 0.0010
+ 0.0553
+ 0.0462
+
+ right-center
+ yz-plane
+ text-value
+ %s
+ /it-autoflight/internal/alt
+ false
+ helvetica_bold.txf
+ true
+ false
+ false
+ 0.006
+
+ 32
+ 32
+
+
+
+
+ mng-alt-lower
+
+ 0.0010
+ 0.0553
+ -0.0462
+
+ right-center
+ yz-plane
+ text-value
+ %s
+ /it-autoflight/internal/alt
+ false
+ helvetica_bold.txf
+ true
+ false
+ false
+ 0.006
+
+ 32
+ 32
+
+
+
select
man-alt
-
-
-
- /it-autoflight/internal/alt
- /instrumentation/altimeter/indicated-altitude-ft
-
-
- 4300
-
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ 4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
@@ -2753,15 +2807,65 @@
select
man-alt-lower
-
-
-
- /it-autoflight/internal/alt
- /instrumentation/altimeter/indicated-altitude-ft
-
-
- -4300
-
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ -4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+
+ select
+ mng-alt
+
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ 4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+
+ select
+ mng-alt-lower
+
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ -4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
@@ -2790,6 +2894,53 @@
+
+ texmultiple
+ target-alt-mng
+
+ textranslate
+ /it-autoflight/internal/mng-alt
+ 0.000019141
+
+ -1
+ 0
+ 0
+
+
+
+ textranslate
+ /instrumentation/altimeter/indicated-altitude-ft
+ 0.000019141
+
+ 1
+ 0
+ 0
+
+
+
+
+
+ select
+ target-alt-sel
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+ select
+ target-alt-mng
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
@@ -3135,6 +3286,8 @@
mng-spd-lower
mng-mach
mng-mach-lower
+ mng-alt
+ mng-alt-lower
1
0
diff --git a/Models/Instruments/PFD/PFD2.xml b/Models/Instruments/PFD/PFD2.xml
index 1280612a..895b3c73 100644
--- a/Models/Instruments/PFD/PFD2.xml
+++ b/Models/Instruments/PFD/PFD2.xml
@@ -2733,19 +2733,73 @@
+
+ mng-alt
+
+ 0.0010
+ 0.0553
+ 0.0462
+
+ right-center
+ yz-plane
+ text-value
+ %s
+ /it-autoflight/internal/alt
+ false
+ helvetica_bold.txf
+ true
+ false
+ false
+ 0.006
+
+ 32
+ 32
+
+
+
+
+ mng-alt-lower
+
+ 0.0010
+ 0.0553
+ -0.0462
+
+ right-center
+ yz-plane
+ text-value
+ %s
+ /it-autoflight/internal/alt
+ false
+ helvetica_bold.txf
+ true
+ false
+ false
+ 0.006
+
+ 32
+ 32
+
+
+
select
man-alt
-
-
-
- /it-autoflight/internal/alt
- /instrumentation/altimeter/indicated-altitude-ft
-
-
- 4300
-
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ 4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
@@ -2753,15 +2807,65 @@
select
man-alt-lower
-
-
-
- /it-autoflight/internal/alt
- /instrumentation/altimeter/indicated-altitude-ft
-
-
- -4300
-
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ -4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+
+ select
+ mng-alt
+
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ 4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+
+ select
+ mng-alt-lower
+
+
+
+
+
+ /it-autoflight/internal/alt
+ /instrumentation/altimeter/indicated-altitude-ft
+
+
+ -4300
+
+
+ /it-autoflight/output/vert
+ 8
+
+
@@ -2790,6 +2894,53 @@
+
+ texmultiple
+ target-alt-mng
+
+ textranslate
+ /it-autoflight/internal/mng-alt
+ 0.000019141
+
+ -1
+ 0
+ 0
+
+
+
+ textranslate
+ /instrumentation/altimeter/indicated-altitude-ft
+ 0.000019141
+
+ 1
+ 0
+ 0
+
+
+
+
+
+ select
+ target-alt-sel
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
+
+ select
+ target-alt-mng
+
+
+ /it-autoflight/output/vert
+ 8
+
+
+
+
@@ -3135,6 +3286,8 @@
mng-spd-lower
mng-mach
mng-mach-lower
+ mng-alt
+ mng-alt-lower
1
0
diff --git a/Models/Instruments/PFD/res/pfd-3d.ac b/Models/Instruments/PFD/res/pfd-3d.ac
index 3f95da9f..9d986582 100644
--- a/Models/Instruments/PFD/res/pfd-3d.ac
+++ b/Models/Instruments/PFD/res/pfd-3d.ac
@@ -2,7 +2,26 @@ AC3Db
MATERIAL "ac3dmat1" rgb 1 1 1 amb 0 0 0 emis 0.658824 0.670588 0.67451 spec 0 0 0 shi 128 trans 0
MATERIAL "white" rgb 1 1 1 amb 1 1 1 emis 0.798 0.798 0.798 spec 0 0 0 shi 0 trans 0
OBJECT world
-kids 43
+kids 44
+OBJECT poly
+name "target-alt-mng"
+loc 0.000960576 -0.000264099 -0.0431903
+texture "trgt-alt-mng.png"
+crease 45.000000
+numvert 4
+0 0.0428304 -0.00623311
+0 0.0428304 0.00772078
+0 -0.0428304 0.00772078
+0 -0.0428304 -0.00623311
+numsurf 1
+SURF 0x30
+mat 0
+refs 4
+0 0.990386 0.217208
+1 0.022378 0.217208
+2 0.0223766 0.0507198
+3 0.990386 0.0507198
+kids 0
OBJECT poly
name "ap-mode-box"
loc 0.000380651 0.0723146 -0.0618702
diff --git a/Systems/pfd.xml b/Systems/pfd.xml
index eab139c3..5b429c98 100644
--- a/Systems/pfd.xml
+++ b/Systems/pfd.xml
@@ -28,6 +28,20 @@
+
+
+ Target alt diff (managed)
+ gain
+ 0.05
+ 1.0
+
+ /it-autoflight/internal/mng-alt
+
+
+ instrumentation/altimeter/indicated-altitude-ft
+
+
+
Heading Deg