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Pierre Jeanniot and the Black Box

This article was originally written and submitted as part of a Canada 150 Project, the Innovation Storybook, to crowdsource stories of Canadian innovation with partners across Canada. The content has since been migrated to Ingenium’s Channel, a digital hub featuring curated content related to science, technology and innovation.

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Dec 7, 2015
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Aviation
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Profile picture for user Library and Archives Canada
By: Library and Archives Canada
Pierre Jeanniot with his famous “Black Box”. Source: Library and Archives Canada/ e011166702
Pierre Jeanniot with his famous “Black Box”. Source: Library and Archives Canada/ e011166702

On November 29, 1963, a Trans-Canada Air Lines flight (today’s Air Canada) crashed four minutes after take-off about 32 km north of Montréal, near Ste-Thérèse-de-Blainville, claiming the lives of 118 people on board. After an extensive investigation and airline technicians’ best efforts, the cause of the crash could not be determined. In early 1964, Trans-Canada Air Lines maintenance division chief (and future president and CEOof the company) Pierre Jeanniot was asked to install a device developed by a British engineer that would record approximately 90 flight parameters and improve the maintenance process for individual aircrafts. However, Jeanniot determined that the technology would be incredibly expensive and wouldn’t add a great deal of value to the efficiency of aircraft maintenance. Nevertheless, it occurred to him that if this recording device was adapted and adequately protected to withstand the shock of a crash, it could provide valuable data to determine the causes of aircraft accidents. And thus, the “black box” was born!

In the aviation community, the black box is commonly referred to as the “flight data recorder” (FDR), and ironically the box is not black, but orange, in order to increase visibility. Eventually, all airlines adopted the FDRon all of their aircrafts. The importance and usefulness of the FDR has been proven on numerous occasions and has allowed aircraft designers, engineers and technicians to make necessary corrections in order to avoid future accidents.

Site of Trans-Canada Air Lines crash, Ste-Thérèse-de-Blainville, Quebec. November 29, 1963. Source: Library and Archives Canada/a116378

View of Trans-Canada Airlines plane from inside the airport, Regina, Saskatchewan, January 1961. Source: Library and Archives Canada/a152837

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Profile picture for user Library and Archives Canada
Library and Archives Canada

As the custodian of our distant past and recent history, Library and Archives Canada (LAC) is a key resource for all Canadians who wish to gain a better understanding of who they are, individually and collectively. LAC acquires, processes, preserves and provides access to our documentary heritage and serves as the continuing memory of the Government of Canada and its institutions.

http://www.bac-lac.gc.ca/eng/Pages/home.aspx

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