Amy
SPONSOR
WI/MN/SD
I mentioned I would post in this in a different thread that is no longer available. This is the text from the Wipaire 2,000 lb. kit installation drawing. There are a few STCs that are specifically called out as compatible, but also a fair bit of latitude for the installing mechanic to establish compatibility with other modifications. SA292AL is likely the most interesting to you as it is what takes the older, lighter PA-18s up to PA-18-150 gross weights. (link here: https://rgl.faa.gov/Regulatory_and_...C74CA85256CC20008CAD5?OpenDocument&Highlight= sa292al) I do not have a copy of SA292AL showing more detailed requirements, though, so you would want to check it to see how the two play together.