@California Diver and I have located and identified another new (as far as we know) airplane wreck in Southern California. We were hunting for a P-51 Mustang and ended up finding a Fairchild PT-19. It took a bit of detective work and time to identify the aircraft type and then the specific airplane, but I'm pretty sure we got it. Details about the wreck, a bunch of photos, and how we ended up identifying it are all posted at the link below.
wreckedinmyrevo.com
Here is a low-res photo of the inline 6 cylinder engine which was a key factor in determining the type of airplane. There are a lot more photos and higher res on the post referenced above.

Fairchild PT-19 (Laguna Beach — 175 fsw)
Background Tyler has been doing a lot of research by reading through old newspaper archives looking for potential new wrecks to locate and dive. He recently came across some articles about a P-51 M…

Here is a low-res photo of the inline 6 cylinder engine which was a key factor in determining the type of airplane. There are a lot more photos and higher res on the post referenced above.