Wes may be dealing in red magic numbers,
No, the File structure is FMI company proprietary information and is not available to the public. Reverse engineering without FMI consent is a violation of the EULA.
Recovery is built into the application for the purpose of retrieving data.
If you need help with a corrupted file one possibility is "Winfried Huslik":
Okay, that's pretty much what I needed to know. I wanted to see if there was a way to search the unallocated space of a corrupted drive to find the .fp7 files.
Wes may be looking at a hay stack,
I believe Hard Drive or File Recovery is a very different technology that does not require knowing the .fp7 file structure. There are applications to do that. Also, there are companies specializing in getting data from really corrupted/damaged drives.
A search on the internet for "file recovery osx" returned 3.15M results.