# Most sonar expeditions have reported echoes they did not understand.

> Most sonar expeditions have reported echoes they did not understand.

Source: https://mysteriesdept.com/mysteries/loch-ness/evidence/EVD0CRFXJCG55JJ/most-sonar-expeditions-have-reported-echoes-they-did-not  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Loch Ness](https://mysteriesdept.com/mysteries/loch-ness)Evidence

Evidence · Loch Ness

# Most sonar expeditions have reported echoes they did not understand.

Most sonar expeditions have reported echoes they did not understand.

Suggestive0

## What it bears on 1 answer

[Acoustic artefacts or transient objects (fish schools, thermocline returns, side lobes, debris).](https://mysteriesdept.com/mysteries/loch-ness/answers/ANS0CRFXJ4P341Q/acoustic-artefacts-or-transient-objects-fish-schools)

Still possible

FOR

## Cite it

```
Mysteries Department. (2026). Most sonar expeditions have reported echoes they did not understand. [Evidence EVD0CRFXJCG55JJ]. https://mysteriesdept.com/r/EVD0CRFXJCG55JJ
```

Key

**EVD** 0CRFXJCG55JJ

Kind

Evidence

Tier

Suggestive

Version

1

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