How can divers identify a wreck's structural weaknesses?

Identifying a wreck’s structural weaknesses primarily involves examining visual cues and leveraging prior knowledge of the wreck’s history. Divers can assess the condition of the wreck by observing signs of corrosion, structural deformation, or areas that may have been compromised due to environmental factors or previous salvage operations. This visual inspection is crucial as it provides firsthand insights into the wreck's state and allows divers to make informed decisions about safety.

Furthermore, understanding the wreck's history—such as how long it has been submerged, the materials it was constructed from, and any known incidents that may have affected its integrity—enables divers to predict which areas may be more vulnerable. This combination of visual assessment and historical context forms a reliable method for evaluating a wreck's condition.

Utilizing sonar technology alone lacks the depth of insight provided by direct observation and contextual understanding. Engaging in extensive underwater construction is more aligned with reconstruction rather than assessing weaknesses. Relying solely on other divers' opinions may result in varying interpretations and may not reflect the actual condition of the wreck.