Fact or Fiction
Fact or Fiction
Ask any question, including odd ones. You get a percentage, a clear call of more or less than 50%, the working, and the sources that produced it. If nothing matches, the score stays at 50% — nothing is invented.
Likelihood
H014 The Pentagon was not struck by AA77 (missile or other object)
45%
Less than 50% — weakly contradicted by the sources
The score is 45% — less than 50%. Contradicting sources currently outweigh supporting sources after quality and confidence are applied.
How 45% was calculated
Start at 50%. Move by half of the net source score after uncertainty. Net source score is -0.30 (from −1 contradict to +1 support). Uncertainty is 63%. So 50% + 50% × -0.30 × 37% remaining certainty = 45%.
Supporting sources
11
Weighted strength 1.95
Contradicting sources
8
Weighted strength 3.58
No stance yet
30
Pulls the score toward 50% · 9.25
Uncertainty
63%
Share of the file that is unlabelled or missing
Working
start at 50% + half of (net source score × remaining certainty)
0.5 + 0.5 × -0.30 × (1 − 0.63) = 0.445
This percentage is calculated from the sources listed below — it is a score, not a court finding. Official origin does not add extra weight. Independent origin does not subtract weight. Two papers from the same group are one cluster, not two independent confirmations.
Reasoning
Step 1 · Match the question
Closest stored question: H014 — The Pentagon was not struck by AA77 (missile or other object). Yes/no labels are taken from sources already linked to that question. Also close: H011, H010, H015.
Step 2 · Find matching sources
40 source(s) matched the wording. 14 further source(s) already linked to the stored question were included even if they did not contain the search words. 6 matching claim(s) contributed inherited stances.
Step 3 · Assign support or contradiction without inventing
14 labelled from stored question links, 8 from claims, 0 labelled automatically (capped, marked, not saved as human review), 27 left with no stance.
Step 4 · Weight each source
Each source contributes strength = (quality / 5) × confidence × how strongly it agrees or disagrees. Support strength 1.95, contradict strength 3.58, no-stance strength 9.25. A zero on chain of custody still lowers the mean and stays visible.
Step 5 · Turn that into a percentage
Start at 50%. Move up if support outweighs contradiction, down if the reverse. Unlabelled sources shrink the movement, so a thin file stays near 50%. Working: 0.5 + 0.5 × -0.30 × (1 − 0.63) = 0.445.
Step 6 · What this number is not
This percentage is calculated from the sources listed below — it is a score, not a court finding. Official origin does not add extra weight. Independent origin does not subtract weight. Two papers from the same group are one cluster, not two independent confirmations.
What is still missing
- 7 source(s) score zero on at least one quality check (shown on each card). Those zeros are kept visible and are not averaged away.
- 11 source(s) are unverified, inactive, or recorded as not retrieved. A missing file is a gap, not a finding against the question.
- 30 relevant source(s) have no stance yet. They increase uncertainty and pull the percentage toward 50%; they are not counted as support or contradiction.
- A second stored question (H011) also matches this wording. The percentage below is for H014 only — open the other question to compare. Do not average the two numbers.
Closest stored question
H014 · The Pentagon was not struck by AA77 (missile or other object)day-of · match 47.2
Related questions
Same wording can map to more than one stored question. Each has its own percentage — do not average them.
Matching claims
- contradictedCLM-019
The Pentagon was not struck by AA77.
- disputedCLM-031
The 9/11 Commission was not a truth-seeking body; the Report is a 'Zelikow Report' defined by systematic omissions.
- disputedCLM-036
The Pentagon attack involved inside-the-building explosives before AA77's official impact.
- well_supportedCLM-042
About three-quarters of CIA materials cited by the 9/11 Commission, including all KSM interrogation reports, remained withheld as of the 2012 File posting.
- unsupportedCLM-023
The twin towers were destroyed by directed energy, not by impact, fire, or conventional explosives.
- unverifiedCLM-034
Reported 9/11 aircraft manoeuvres were not flyable manually by the named hijacker-pilots (automation/remote guidance).
Sources that support this
11David Ray Griffin — Anomalies in official accounts of AA77 and UA93 (Toronto Report ch.7)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Griffin's 2012 chapter lists named process contradictions on AA77 notification and UA93 notification, plus Pentagon-object and UA93-shoot-down arguments with named witnesses and an FAA memo.
hypothesis link · human_seed link to H014 (seeded): Griffin ch.7 argues AA77 did not hit the Pentagon. In-cluster contradicts exist.
Barbara Honegger — Evidence of explosives at the Pentagon (Toronto Report ch.13)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Honegger compiles Pentagon witnesses who used bomb/cordite language, cites stopped clocks around 9:31–9:32, and treats the FBI code name PENTTBOM as evidence of a bombing investigation.
hypothesis link · human_seed link to H014 (seeded): Honegger inside-explosives / no-757-compatible Pentagon chapter.
CIT / no-Boeing-at-Pentagon claim
Citizen Investigation Team / Pentagon no-Boeing claims · 2009-01-01
A set of independent researchers published a no-Boeing account of the Pentagon event, citing selected witnesses and façade photos.
hypothesis link · zeros: contemporaneity, corroboration, chain_of_custody · human_seed link to H014 (seeded): CIT no-Boeing claim — low quality, still a cited object.
Quality zeros remain visible: contemporaneity, corroboration, chain_of_custody.
Hani Hanjour's limited high-performance flying record vs AA77's last turn
9/11 Commission Report · 2004-07-22
Instructors described Hanjour as a weak trainee; official account has him flying AA77's last manoeuvre.
hypothesis link · human_seed link to H014 (seeded): Hanjour skill-gap as a weak prior on a different pilot/remote control.
CIA 9/11 File posting — 100+ FOIA documents, 19 June 2012
The Central Intelligence Agency's 9/11 File (NSAEBB 381) · 2012-06-19
In 2012 the National Security Archive posted 100+ CIA documents cited in Commission footnotes, and stated that this was about one-quarter of the CIA material the Commission cited, with KSM interrogation reports still withheld.
claim stance · Inherited from matching claim CLM-042.
Judy Wood: directed-energy destruction of the towers
Judy Wood — Where Did the Towers Go? (directed-energy claims) · 2010-01-01
An independent researcher published a directed-energy account of the tower destructions.
claim stance · zeros: contemporaneity, corroboration, chain_of_custody · Inherited from matching claim CLM-023.
Quality zeros remain visible: contemporaneity, corroboration, chain_of_custody.
David Ray Griffin — Anomalies in the 9/11 Commission Report (Toronto Report ch.2)
The 9/11 Toronto Report (2012), International Hearings on the Events of September 11, 2001 · 2012-09-11
Griffin's 2012 chapter lists Commission process constraints (Zelikow, funding, access) and twelve claimed omissions, with footnotes to named books, newspapers, and the Report itself.
claim stance · Inherited from matching claim CLM-031.
Sources that contradict this
8Commission: AA77 struck the Pentagon at 09:37:46
9/11 Commission Report · 2004-07-22
The Commission states AA77 struck the Pentagon at 09:37:46.
hypothesis link · human_seed link to H014 (seeded): Commission AA77-into-Pentagon.
ASCE Pentagon building performance: 757-class impact damage
ASCE/SEI Pentagon Building Performance Report (2003) · 2003-01-01
An engineering team mapped interior damage consistent with a large-aircraft mass trajectory through the Pentagon.
hypothesis link · human_seed link to H014 (seeded): ASCE interior aircraft-mass damage path.
NTSB flight-path study: AA77 from Dulles to the Pentagon
NTSB flight-path studies, Air Traffic Control tapes, and CVR/FDR summaries (AA11, UA175, AA77, UA93) · 2002-02-19
NTSB reconstructed a continuous radar/path track of AA77 from takeoff to the Pentagon.
hypothesis link · human_seed link to H014 (seeded): NTSB continuous path.
Legge & Stutt — AA77 FDR analysis supports official Pentagon flight path (Jan 2011)
Journal of 9/11 Studies · 2011-01-01
A 2011 Journal of 9/11 Studies FDR analysis concludes the official AA77 path to Pentagon impact is supported.
hypothesis link · human_seed link to H014 (seeded): In-cluster FDR paper supports official AA77 path.
Popular Mechanics 2005/2006: magazine investigation rejecting demolition, Pentagon-missile, and UA93 shoot-down claims
Popular Mechanics — 9/11: Debunking the Myths (March 2005) and Debunking 9/11 Myths (Hearst, 2006) · 2005-03-01
In 2005–2006 Popular Mechanics published a magazine investigation and a book arguing that the main demolition, missile, and shoot-down claims do not stand up to wreckage and engineering testimony.
hypothesis link · human_seed link to H014 (seeded): PM rejects Pentagon-missile / no-Boeing.
NTSB path studies and ATC transcripts FOIA'd by NSArchive (Aug 2006)
NTSB flight-path studies and ATC transcripts released via NSArchive (NSAEBB 196) · 2006-08-11
In August 2006 NTSB released to the National Security Archive the four-flight ATC transcripts, three path studies, and the UA93 DFDR specialist report, after refusing to open its own public docket.
hypothesis link · human_seed link to H014 (seeded): NTSB AA77 path study is a principal official contradict of a non-757 Pentagon object.
John D. Wyndham — Problems with theories alternative to large-plane impact at the Pentagon (Nov 2011)
Journal of 9/11 Studies · 2011-11-01
The Journal of 9/11 Studies published a 2011 paper arguing that theories alternative to a large-plane Pentagon impact have problems.
hypothesis link · human_seed link to H014 (seeded): In-cluster journal paper against alternatives to large-plane impact.
Commission: AA11 struck WTC1 at 08:46:40
9/11 Commission Report · 2004-07-22
A large aircraft identified as AA11 struck WTC 1 at 08:46:40 on 11 September 2001.
claim stance · Inherited from matching claim CLM-023.
Sources with no stance yet
30Piers Robinson — Manual or Automated? Flight simulation of reported 9/11 aircraft manoeuvres (May 2026)
Piers Robinson, Manual or Automated? Flight simulation study of reported 9/11 aircraft manoeuvres (May 2026) · 2026-05-01
IC911 published a May 2026 Robinson report whose title frames reported 9/11 manoeuvres as a manual-vs-automated question.
hypothesis link · zeros: contemporaneity · human_seed link to H014 (seeded): Flight-sim title does not decide whether AA77 hit the Pentagon; it asks how manoeuvres were flown.
Quality zeros remain visible: contemporaneity.
Ted Walter — The 9/11 Hijacking Myth Exposed (presentation, 8 Sep 2024)
International Center for 9/11 Justice · 2024-09-08
Walter presented a 2024 IC911 talk arguing hijacker piloting of the reported manoeuvres is implausible.
hypothesis link · zeros: contemporaneity · human_seed link to H014 (seeded): Hijacking-myth framing is about piloting, not necessarily about a different object at the Pentagon.
Quality zeros remain visible: contemporaneity.
Piers Robinson — Preliminary evaluation of flight-simulator data, UA175 and AA77 (10 Sep 2025)
International Center for 9/11 Justice · 2025-09-10
Robinson presented a 2025 preliminary simulator evaluation of UA175 and AA77 control.
hypothesis link · zeros: contemporaneity · human_seed link to H014 (seeded): UA175/AA77 simulator title; body not read.
Quality zeros remain visible: contemporaneity.
AA77 hijacked; Hazmi and Mihdhar aboard; Pentagon impact
9/11 Commission Report · 2004-07-22
The two men assisted in San Diego in 2000 were AA77 hijackers on 11 September 2001.
unclassified · Retrieved as relevant; no inherited polarity. Unclassified mass raises uncertainty rather than inventing support or contradiction.
U.S. State Department, 28 August 2006: public-diplomacy page on 'top' 9/11 conspiracy theories
U.S. Department of State — The Top September 11 Conspiracy Theories (28 August 2006) · 2006-08-28
On 28 August 2006 the U.S. State Department published an official webpage rejecting the main 9/11 conspiracy-theory claims then in circulation.
unclassified · Retrieved as relevant; no inherited polarity. Unclassified mass raises uncertainty rather than inventing support or contradiction.
Wikipedia, 9/11 conspiracy theories — article as finding aid (retrieved 3 Sep 2026)
Wikipedia — 9/11 conspiracy theories (encyclopedia article) · 2026-09-03
On 3 September 2026 the Wikipedia article listed the main 9/11 conspiracy-theory families and pointed at Commission, NIST, State Department, Eagar, and Popular Mechanics as external sources.
unclassified · zeros: contemporaneity · Retrieved as relevant; no inherited polarity. Unclassified mass raises uncertainty rather than inventing support or contradiction.
Quality zeros remain visible: contemporaneity.
Arlington County After Action Report on 9/11 (Pentagon response) — 911DA pointer
September 11 Digital Archive (RRCHNM / ASHP) · 2002-01-01
The Digital Archive holds a copy of Arlington County's 9/11 After Action Report as a first-responder collection item.
unclassified · Retrieved as relevant; no inherited polarity. Unclassified mass raises uncertainty rather than inventing support or contradiction.
Flight 93: white jet / C-130 and shoot-down rumours
NTSB flight-path studies, Air Traffic Control tapes, and CVR/FDR summaries (AA11, UA175, AA77, UA93) · 2001-09-11
Other aircraft were near UA93 at the end, and wreckage was distributed along a path, not a single postage-stamp hole only.
unclassified · Retrieved as relevant; no inherited polarity. Unclassified mass raises uncertainty rather than inventing support or contradiction.
Topics
Day-of events, engineering questions, process failures, and foreknowledge leads.