PBM Mariner Wreck: Side-by-Side Photogrammetry Model Comparisons

PBM Mariner Wreck: Side-by-Side Photogrammetry Model Comparisons

The author revisits the PBM Mariner wreck off Point Loma to improve a previous photogrammetry model, dealing with minor equipment issues and poor surface conditions during the dive. The new model features enhanced color and detail, providing a more accurate visual document of the historically significant wreck for an upcoming book.

Photogrammetry in Wreck Diving: Insights from the F4D Skyray

Photogrammetry in Wreck Diving: Insights from the F4D Skyray

Introduction One of the wrecks that I am writing about for "Aviation Wrecks of Southern California" is the F4D Skyray that crashed in the 1950s. The pilot, Leo J. "Pete" Colapietro bailed out at 650mph and living to tell the story. I had previously posted some great photos I recently received from a family member. [...]

Diving the Solana Beach P-38 Wreck: Enhanced 3D Modeling Techniques

Diving the Solana Beach P-38 Wreck: Enhanced 3D Modeling Techniques

In 2022, a P-38 wreck was discovered off Solana Beach, leading to initial photogrammetry modeling. As skills improved, a recent dive on January 22 aimed to enhance the quality of the model for the book "Aviation Wrecks of Southern California." Despite complications, a clearer, more accurate representation was successfully created.

Diving Adventures: Discovering New Wrecks and Cranes

Diving Adventures: Discovering New Wrecks and Cranes

I joined divers Steve Lawson and Chris Gilmartin for a memorable dive before storms hit Southern California. We discovered a new shipwreck, identified as a recent fishing vessel, and an intriguing underwater tower. Both dives yielded valuable insights and captured images for further exploration and future dives once conditions improve.

Diving Viking Targets IV (Point Loma — 200+ fsw)

Diving Viking Targets IV (Point Loma — 200+ fsw)

Introduction If you have been following along, we have been trying to find the S-3 Viking that crashed off Point Loma in 1978. A brief rundown of previous posts: Original AUV Search Second AUV Search First Day of Dives - Mystery Plane First Day of Dives - Wing Section Second Day of Dives Third Day [...]

Osborn(e) Bank Redux 2025 (Santa Barbara Island — 225 fsw)

Osborn(e) Bank Redux 2025 (Santa Barbara Island — 225 fsw)

Background I had been to Osborne Bank once before in 2020 and really enjoyed the dive and wanted to return. I finally got a chance when Anton had arranged a trip with Danny at Triton Diving Charters. Osborn Bank is a very picturesque formation a few miles outside Santa Barbara Island in the Channel Islands. [...]