Original words, traceable pages

Search the evidence

Search report text, read a short matching passage, then open the source page.

Exact phrases match first; otherwise all words must occur close together. Six excerpts maximum. Text extraction cannot search image-only charts. Warsaw uses a report transcription with missing figures and appendices.

7 matching PDF pages. Showing 6 short source excerpts. Open the document for full context.

Air France 4590 (Concorde)

Printed page 6. PDF page 6.

1.16.8.3.1 Engine Surge _________________________________________________ 121 1.16.8.3.2 Electric Arc ___________________________________________________ 121 1.16.8.3.3 Contact with the Hot Sections of the Engine _________________________ 122 1.16.8.3.4 Conclusion _________
Open final report at PDF page 6Final report: Concorde F-BTSC, 25 July 2000

Air France 4590 (Concorde)

Printed page 120. PDF page 120.

Three were selected and were the subject of extensive study: � an engine surge, � an electric arc, � contact with the hot sections of the engine and/or reheat. No evidence was found of previous ignition of a hydraulic leak.
Open final report at PDF page 120Final report: Concorde F-BTSC, 25 July 2000

Air France 4590 (Concorde)

Printed page 123. PDF page 123.

can be accepted to explain the appearance of the flame. The hypothesis on ignition by electric arc explains the retention of the flame in the gear bay, but also supposes that the destruction of tyre No 2 also resulted in
Open final report at PDF page 123Final report: Concorde F-BTSC, 25 July 2000

Air France 4590 (Concorde)

Printed page 168. PDF page 168.

accident, with arguments in favour but also against each hypothesis. Ignition by an electric arc produced in the main landing gear area through damage to a 115-volt electrical harness is easy to understand. Tests confirmed that the ignition of vaporised
Open final report at PDF page 168Final report: Concorde F-BTSC, 25 July 2000

Air France 4590 (Concorde)

Printed page 176. PDF page 176.

minor shocks and /or a hydrodynamic pressure surge. � Ignition of the leaking fuel by an electric arc in the landing gear bay or through contact with the hot parts of the engine with forward propagation of the flame causing
Open final report at PDF page 176Final report: Concorde F-BTSC, 25 July 2000

Air France 4590 (Concorde)

Printed page 185. PDF page 185.

the most plausible were selected. These were ignition from an engine surge flame, from electrical arcing and from engine hot surfaces or reheat flames. When it later became clear that the ignition had already occurred before the first engine surge,
Open final report at PDF page 185Final report: Concorde F-BTSC, 25 July 2000