Here are some shots from the C-47 manuals showing the pararacks:


Jack Cook wrote:Are there any C-47 flying with the release gear for the supplies carried underneath?
I have a full set of 6 pararacks available for sale or trade. I think they may be the only surviving pararacks but I am not sure.
Here is a shot of the pararacks I have in storage. They would sure look good on the belly of a C-47.