Alvarenga
Becomes very vulnerable to changes in visibility, which can be limited to about 5 meters in days where there is very bad wind in any way mean there is a visibility of 10 to 15 meters. Advised that the divers should be careful while in the wreck, with a lot of fishing lines in debris. Alvarenga seems, but not the name of the ship but a type of vessel not propelled by itself used as a trailer to transport cargo. The entire hull is in natural position, and is the engine room. The entire hull is in natural position, and is the engine room. Is located 8 miles (15 km) from Porto and 3 nautical miles from João Pessoa. This is approx 3 miles (5.5 kilometres) from the coast. Alvarenga is also known as Comandante Alvarenga / Batelão do norte.
