diff --git a/OPERATORS b/OPERATORS
index 3d050523660c9c81cac5f38357d92b656c3ad974..3e52ea75f0395525dc74a424e3f562ab33ce05da 100644
--- a/OPERATORS
+++ b/OPERATORS
@@ -483,6 +483,7 @@ Operator catalog:
    Miscellaneous
 -------------------------------------------------------------
    Gradsdes      gradsdes        GrADS data descriptor file
+   Afterburner   after           ECHAM standard post processor
    Filter        bandpass        Bandpass filtering
    Filter        lowpass         Lowpass filtering
    Filter        highpass        Highpass filtering
diff --git a/doc/tex/Modules b/doc/tex/Modules
index 997b7d2bac9845687f675265d10ede0be5bd394c..1898b5358937e3026d582cf9f4b1e127164d70e5 100644
--- a/doc/tex/Modules
+++ b/doc/tex/Modules
@@ -110,6 +110,7 @@ Input         Import/Export
 Output        Import/Export
 Outputtab     Import/Export
 Gradsdes      Miscellaneous
+Afterburner   Miscellaneous
 Filter        Miscellaneous
 Gridcell      Miscellaneous
 Smooth9       Miscellaneous
diff --git a/src/modules.c b/src/modules.c
index c49b27af1129df562bcf10dad546cd6a62b176de..7dfdd08ca58ad0c98da664633729af6875787686 100644
--- a/src/modules.c
+++ b/src/modules.c
@@ -547,7 +547,7 @@ static modules_t Modules[] =
                                                                type       in  out
   */
   { Adisit,         AdisitHelp,        AdisitOperators,        CDI_REAL,  1,  1 },
-  { Afterburner,    NULL,              AfterburnerOperators,   CDI_REAL, -1,  1 },
+  { Afterburner,    AfterburnerHelp,   AfterburnerOperators,   CDI_REAL, -1,  1 },
   { Arith,          ArithHelp,         ArithOperators,         CDI_REAL,  2,  1 },
   { Arithc,         ArithcHelp,        ArithcOperators,        CDI_REAL,  1,  1 },
   { Arithdays,      ArithdaysHelp,     ArithdaysOperators,     CDI_REAL,  1,  1 },
diff --git a/src/operator_help.h b/src/operator_help.h
index 240ccee428a1f70865c72a97420895ab2533eacb..ee4092d991d176429d3d1a3a5c644b6680da6f58 100644
--- a/src/operator_help.h
+++ b/src/operator_help.h
@@ -4021,6 +4021,24 @@ static char *GradsdesHelp[] = {
     NULL
 };
 
+static char *AfterburnerHelp[] = {
+    "NAME",
+    "    after - ECHAM standard post processor",
+    "",
+    "SYNOPSIS",
+    "    after  ifiles ofile",
+    "",
+    "DESCRIPTION",
+    "    The \"afterburner\" is the standard post processor for ECHAM data which provides the following operations:",
+    "    - Extract specified variables and levels",
+    "    - Compute derived variables",
+    "    - Transform spectral data to Gaussian grid representation",
+    "    - Vertical interpolation to pressure levels or height",
+    "    - Compute temporal means",
+    "    - Write data in GRIB, NetCDF, SERVICE or EXTRA format",
+    NULL
+};
+
 static char *FilterHelp[] = {
     "NAME",
     "    bandpass, lowpass, highpass - Time series filtering",