MysteriesHijacking of Northwest 305 (D. B. Cooper)ArtifactsBoeing 727 aft airstair instruction placard
ART0D6SXWB01EC0·Artifact · object
Boeing 727 aft airstair instruction placard
Its fall point constrains the aircraft's position minutes before the jump; Nicholson's free-fall analysis uses it.
Copies 0
Where it was made
Sources 1
- D. B. CooperSRC
Cite it
Mysteries Department. (2026). Boeing 727 aft airstair instruction placard [Artifact ART0D6SXWB01EC0]. https://mysteriesdept.com/r/ART0D6SXWB01EC0
@misc{mysteriesdept_art0d6sxwb01ec0,
title = {Boeing 727 aft airstair instruction placard},
author = {{Mysteries Department}},
year = {2026},
note = {Artifact, catalog key ART0D6SXWB01EC0},
url = {https://mysteriesdept.com/r/ART0D6SXWB01EC0}
}