Editing Flight recorder (section)

=== Combined units ===
With the advent of digital recorders, the FDR and CVR can be manufactured in one fireproof, shock proof, and waterproof container as a combined digital cockpit voice and data recorder (CVDR). Currently, CVDRs are manufactured by [[L3Harris Technologies]]<ref name="L-3"/> and [[Hensoldt]]<ref>{{cite web |title=Flight and mission data recording & management - SferiRec |url=https://www.hensoldt.net/solutions/air/situational-awareness/flight-and-mission-data-recording-management-sferirec/ |publisher=Hensoldt |date=2019 |access-date=August 12, 2019 |archive-date=August 12, 2019 |archive-url=https://web.archive.org/web/20190812202525/https://www.hensoldt.net/solutions/air/situational-awareness/flight-and-mission-data-recording-management-sferirec/ |url-status=live }}</ref> among others.

Solid state recorders became commercially practical in 1990, having the advantage of not requiring scheduled maintenance and making the data easier to retrieve. This was extended to the two-hour voice recording in 1995.<ref>{{cite web|title=History of Flight Recorders|url=http://www.l-3ar.com/html/history.html|archive-url=https://web.archive.org/web/20131211231050/http://www.l-3ar.com/html/history.html |publisher=L3 Flight Recorders|archive-date=December 11, 2013 }}</ref>