TODO.md in aipp-0.2.2 vs TODO.md in aipp-0.2.3

@@ -1,4 +1,7 @@
 ## LF
 
-### AD-2
-* Landing aids (LOC/GP/DME) as of AD-2 section 2.19
+* AD-3.1: helipads
+* ENR-5.4: obstacles
+* ENR-5.2: military and training areas
+* ENR-2.2: TMZ and RMZ
+* AD-2: landing aids (LOC/GP/DME) as of section 2.19