EFI·Evidence Fusion Initiative

H001

AA11 struck WTC1

Testable proposition: American Airlines Flight 11, a Boeing 767, struck World Trade Center 1 at 08:46:40 on 11 September 2001. Competing no-plane claims exist in labelled-CT literature and are stored against this proposition rather than deleted.

openPhase 2

Likelihood — more or less than 50%

More than 50%

97%

More than 50% — well supported by the sources

0% — fully contradicted50%100% — fully supported

Start at 50%. Move by half of the net source score after uncertainty. Net source score is 1.00 (from −1 contradict to +1 support). Uncertainty is 7%. So 50% + 50% × 1.00 × 93% remaining certainty = 97%.

0.5 + 0.5 × 1.00 × (1 − 0.07) = 0.965

Recalculate with sources

Adversarial challenge

  • Contradicting objects: 0
  • Supporting objects: 5
  • Distinct source classes: 3
  • Objects with a zero quality dimension: 0

Version history

  1. v1 · 2004-07-22 · conf 0.97 · unc 0.05

    Live video, ATC, NTSB, Commission. Residual 'no plane' claims are stored and currently negligible.

strongly supports1

supports4

Human review can dispute any AI or seeded link. Seeded links are labelled and are not silent overwrites.

Open review queue

Developed by British researcher Moneypenny

@nic_moneypenny · Subscribe on X from $2 a month for other investigations, and to support this work.

Built with Grok by xAI. EFI / 911 is an independent research project. Neither Moneypenny nor xAI, X, or Grok accepts any liability for errors, omissions, or inaccuracies. Scores are not court or government findings. Privacy and terms.