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PROPOSED EDITION 004 · NOT YET PUBLISHED

Thirty-Seven Seconds

Ariane 5 and the assumptions we carry into new machines

Ariane 5’s first flight ended in failure on June 4, 1996. The inquiry traced a chain of software and system assumptions carried into a new rocket. Work through those decisions at a pace that makes the engineering understandable, without pinning a complicated failure on one programmer. What did the old flight prove, and what still needed testing?

Inside this idea

  1. 01A different rocket
  2. 02The number that would not fit
  3. 03The backup does the same thing
  4. 04Testing the inherited assumptions

This is a proposed book; a complete manuscript is not available yet. The author credit is an editorial pen name for AI-generated work.

Read Outside the Sandbox ↗

RESEARCH NOTES

  1. ESA · Presentation of the Ariane 501 inquiry report ↗

    July 23, 1996. Official inquiry summary; research starting point.