Had a look at the OXP for you cade and probably the reason you can't find one for sale is that the Shipyard plist is broken. If you have a text editor and want to have a go the explanation is below or if you PM me your email address then I'll send the corrected OXP over.
I'll also add the stats to the Wiki as well shortly.
@ Charlie - You have a <dict> instead of a </dict> on line 52 of the shipyard plist i.e.
I have quickly tested my amendment and have at least seen Falcons available (but no Falcon S so far). The Falcon H isn't available as a player option, if I understand the OXP right.
"Get back or I unleash my lethal spotted batoid!!"
Not until Winston ups the upload limit on the Wiki, I don't know what the limit is but I've tried to get 2 OXPs of around 2.8-3.0 mbs and had both refused for being too big.
"Get back or I unleash my lethal spotted batoid!!"
Don't inflate his ego, he'll have trouble fitting it through the door
As for the text editor, try using Notepad++ for Windoze, or else Vim for the more enlightened computer users. Each download comes with a free cute and fluffy Trumble ---> (0.o)
but none of the text editors recommended in the Wiki will allow me to open OXP files.
No wonder, because OXPs are no files. They are folders. (Or packages, which is sort of a folder that is visible as a single file on your desktop.)
So you have to open them like a folder and will find the single files you need to edit inside. To do this you have to right-click the OXP and select "open package" from the context-menu. This will open up the OXP and its contents will be shown like in an ordinary folder. Usually the OXP-main folder contains a couple of sub folders, like "Config", "Models", "Textures", "AIs" and so on. You have to open the "Config"-folder and inside you will find a couple of ".plist"-files. These are the ones you will have to open and edit, in order to make any changes to your OXP. The one that determines the availability of a ship is called "shipyard.plist". Plists can be opened with any text editor, although there are also some specialized plist editors, which you'll find mentioned in the wiki as well.
If you're on a mac it's a little bit more involved to edit an OXP. To open an OXP on a mac, ctrl-click or right click ---> show contents (or something like that)