diff --git a/README.md b/README.md
index 92afd45..d55342d 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,5 @@ collection of python scripts for calculations in the UBoat game Wolfpack
 ![Screenshot aob](doc/img/aob_calc.png)
 
 ![Screenshot speed](doc/img/spd_calc.png)
+
+![Screenshot attackplan](doc/img/attackplan.png)
\ No newline at end of file
diff --git a/attackplan/attackplan.py b/attackplan/attackplan.py
new file mode 100644
index 0000000..9817e0b
--- /dev/null
+++ b/attackplan/attackplan.py
@@ -0,0 +1,52 @@
+
+print("Humorhenker Attackplan script")
+print("---------------------------")
+
+def stohms(sectime):
+    seconds = sectime % (24 * 3600)
+    hours = seconds // 3600
+    seconds %= 3600
+    minutes = seconds // 60
+    seconds %= 60
+    return "{hours:02d}:{minutes:02d}:{seconds:02d}".format(hours=hours,minutes=minutes, seconds=seconds)
+def stoms(sectime):
+    minutes = sectime // 60
+    sectime %= 60
+    return "{minutes:02d}:{seconds:02d}".format(minutes=minutes, seconds=sectime)
+
+    seconds = seconds % (24 * 3600)
+    hour = seconds // 3600
+    seconds %= 3600
+    minutes = seconds // 60
+    seconds %= 60
+
+print("Enter TOI (format Hours:Minutes):")
+toi = input().split(":")
+toi = int(toi[0])*60*60 + int(toi[1])*60
+
+print("-------------")
+eels = []
+print("Enter an identifier and a TTI for each shot")
+print("-------------")
+
+while (True):
+    print("Name:")
+    name = input()
+    if (name == ""):
+        break
+    print("-------------")
+    print("TTI (format Minutes:Seconds):")
+    tti = input().split(":")
+    tti = int(tti[0])*60 + int(tti[1])
+    eels.append({"name": name, "tti": tti})
+    print("-----------------")
+
+print("---------------------------")
+eels.sort(key=lambda eel: eel["tti"], reverse=True)
+
+print("Attackplan:")
+print("{name:<15} {cut:<15} {cdt:<22} {rt:<15}".format(name="Name", cut="count up time", cdt="count down time", rt="realtime"))
+print("")
+for eel in eels:
+    print("{name:<15} {cut:<15} {cdt:<22} {rt:<15}".format(name=eel["name"], cut=stoms(eels[0]["tti"] - eel["tti"]), cdt=stoms(eel["tti"]), rt=stohms(toi-eel["tti"])))
+    print("")
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diff --git a/doc/img/attackplan.png b/doc/img/attackplan.png
new file mode 100644
index 0000000..8495dbc
Binary files /dev/null and b/doc/img/attackplan.png differ