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Interactive demo

Follow an answer back to its source.

The congressional report on the Boeing 737 MAX and the hearing transcript it draws on — 526 printed pages. Pick a question, then click a citation to land on the page it came from.

Preset questions

The 737 MAX investigation

This project

The 737 MAX investigation

2 documents

What did the aviation regulator approve?

The FAA, the US aviation regulator, approved removing references to the MCAS flight-control system from Boeing’s pilot operating manual. This passage concerns the manual; it does not establish approval of the system’s redesign.

Preset check result: no unsupported claims flagged.

Cited sources1

Final Committee Report

Relationships in these sources
Relationships1

  • FAA —approved→ Removing MCAS from the pilot manual

Preset check result: no unsupported claims flagged.

2 public documents, no live AI

The answers, relationships, summaries, and check results are preset. Source quotes and page references were checked against the original PDFs. No live AI runs here. Open the report ↗

What is in the library

Two public documents from the same investigation: the Committee’s report and a hearing transcript. The examples distinguish Boeing’s internal decisions from the FAA’s decisions, and statements about the agency from findings about particular officials.

  • The Design, Development & Certification of the Boeing 737 MAX

    U.S. House Committee on Transportation and Infrastructure, September 2020, 238 printed pages

    Open the original PDF ↗

  • The Boeing 737 MAX: Examining the Design, Development, and Marketing of the Aircraft

    U.S. House Committee on Transportation and Infrastructure, 30 October 2019, 288 printed pages

    Open the original PDF ↗

Why one example answer is deliberately wrong

The example combines real passages into a claim they do not establish. Both the flawed answer and the accompanying check result were written for this walkthrough. They illustrate how a warning can help you review an answer. In the Mac app, the AI check can also miss an error or return no result.

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