Flight qualification explained

To flight-qualify is to take a product, process, or material and test it in order to prove that it will withstand the environment of aerodynamic or space flight.^[1] This process can include the following tests and processes:

parts screening
thermal test^[2]
vacuum test
vibration test or modal testing
material analysis

A flight qualification can include a test in the actual desired environment.^[3]

Notes and References

http://www.technet.pnl.gov/sensors/electronics/projects/es4envts.stm PNNL S&E – Electronics Testing for Flight Qualification (32)
Web site: Qualification of Copper Water Heat Pipes for Space Application – U.S. Naval Research Laboratory . Nrl.navy.mil . 1 February 2010 . 31 July 2013 . https://web.archive.org/web/20070713164650/http://www.nrl.navy.mil/content.php?P=04REVIEW153 . 13 July 2007 . dead .
Web site: Press Release Source: Starsem Posted Monday, 21 May 2001 . 1658th successful launch of Soyuz. In flight qualification of Soyuz/ST engines | SpaceRef – Your Space Reference . https://archive.today/20130202162412/http://www.spaceref.com/news/viewpr.html?pid=4901 . dead . 2 February 2013 . SpaceRef . 21 May 2001 . 31 July 2013 .