diff --git a/fgaddon/aircraft_updates.py b/fgaddon/aircraft_updates.py
new file mode 100644
index 0000000..14195f7
--- /dev/null
+++ b/fgaddon/aircraft_updates.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+#
+# Script to summarize changes to fgaddon Aircraft based on svn activity.
+#
+# Primarily intended to provide a list of aircraft that have been significantly
+# updated since the last release for the change log.
+
+import os, sys
+import os.path
+import re
+from collections import defaultdict
+import subprocess
+import math
+import shlex
+
+extensions = ["*", "ac", "xml", "png", "jpg"]
+
+if (len(sys.argv) != 4):
+    print("Summarize fgaddon/Aircraft changes in a given branch between two dates.")
+    print("")
+    print("Usage: " + sys.argv[0] + " <branch> <from> <to>")
+    print("  <branch>\tSVN branch to check (e.g trunk, branches/release-2020.3")
+    print("  <from>  \tStart date (e.g. 2020-04-27)")
+    print("  <to>    \tEnd date (e.g. 2020-10-11")
+    exit(1)
+
+
+branch = sys.argv[1]
+from_date = sys.argv[2]
+to_date = sys.argv[3]
+
+# Create a format string listing changes to all the file types above
+tableformat = "{:<25}{:>4}"
+for ext in extensions:
+    tableformat = tableformat + "{:>5}"
+
+# Check an individual aircraft for changes since date and output them
+def check_aircraft(aircraft):
+    # This command lists all the changed files since date for a given aircraft
+    svn_log = "svn log https://svn.code.sf.net/p/flightgear/fgaddon/" + branch + "/Aircraft/" + aircraft + " -r {" + from_date + "}:{" + to_date + "} -v -q"
+    process = subprocess.Popen(shlex.split(svn_log), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
+    stdout, stderr = process.communicate()
+
+    # Now collect some data
+    count = []
+    for ext in extensions:
+        regexp = "  [AM] .*\." + ext + "$"
+        count.append(len(re.findall(regexp, stdout, flags=re.MULTILINE)))
+
+    # Find completely new aircraft.
+    regexp = "  A /.*/Aircraft/" + aircraft + "$"
+    new_aircraft = ""
+    if (re.findall(regexp, stdout, flags=re.MULTILINE)):
+        new_aircraft = "NEW"
+
+    # Only output if we have more than 100 changes or it's a new aircraft
+    if ((count[0] > 100) or (new_aircraft == "NEW")):
+        print(tableformat.format(aircraft, new_aircraft, count[0], count[1], count[2], count[3], count[4]))
+
+
+
+svn_list = "svn list https://svn.code.sf.net/p/flightgear/fgaddon/" + branch + "/Aircraft/"
+process = subprocess.Popen(shlex.split(svn_list), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
+stdout, stderr = process.communicate()
+
+print(tableformat.format("Aircraft", "New?", extensions[0], extensions[1], extensions[2], extensions[3], extensions[4]))
+
+aircraft_list = re.split("/\n", stdout)
+for ac in aircraft_list:
+    check_aircraft(ac)
diff --git a/fgaddon/find_md5file.py b/fgaddon/find_md5file.py
new file mode 100644
index 0000000..25cdc58
--- /dev/null
+++ b/fgaddon/find_md5file.py
@@ -0,0 +1,25 @@
+#!/usr/bin/python
+
+import os, sys, re, fnmatch
+import hashlib, glob
+
+
+def md5(fname):
+    hash_md5 = hashlib.md5()
+    with open(fname, "rb") as f:
+        for chunk in iter(lambda: f.read(4096), b""):
+            hash_md5.update(chunk)
+    return hash_md5.hexdigest()
+
+
+filepath = sys.argv[1]
+searchpath = sys.argv[2]
+
+digest = md5(filepath)
+print("Checking for " + digest)
+
+wavfiles = glob.glob(searchpath + "/**/*.wav", recursive=True)
+
+for f in wavfiles:
+    if (md5(f) == digest):
+        print(f)
\ No newline at end of file