# The airstair placard was found about 20 miles north of the Ariel zone, consistent with the stair being down…

> The airstair placard was found about 20 miles north of the Ariel zone, consistent with the stair being down over that stretch.

Source: https://mysteriesdept.com/mysteries/db-cooper/evidence/EVD0D6SXGC647HV/the-airstair-placard-was-found-about-20-miles-north-of-the  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Hijacking of Northwest 305 (D. B. Cooper)](https://mysteriesdept.com/mysteries/db-cooper)Evidence

Evidence · Hijacking of Northwest 305 (D. B. Cooper)

# The airstair placard was found about 20 miles north of the Ariel zone, consistent with the stair being down…

The airstair placard was found about 20 miles north of the Ariel zone, consistent with the stair being down over that stretch.

Suggestive0

## What it bears on 1 answer

[He landed near Ariel and Lake Merwin, where the FBI's flight-path map and the 8:13 pm pressure bump put the…](https://mysteriesdept.com/mysteries/db-cooper/answers/ANS0D6SXFWJ33G4/he-landed-near-ariel-and-lake-merwin-where-the-fbis-flight)

Most likely

FOR

## Cite it

```
Mysteries Department. (2026). The airstair placard was found about 20 miles north of the Ariel zone, consistent with the stair being down… [Evidence EVD0D6SXGC647HV]. https://mysteriesdept.com/r/EVD0D6SXGC647HV
```

Key

**EVD** 0D6SXGC647HV

Kind

Evidence

Tier

Suggestive

Version

1

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