Our approach at UW—try it!
Applied model checking to the specification of TCAS II
Traffic Alert and Collision Avoidance System
In use on U.S. commercial aircraft
http://www.faa.gov/and/and600/and620/newtcas.htm
FAA adopted specification
Initial design and development by Leveson et al.
Later applied it to a statecharts description of an electrical
power distribution system model of the B777
The vast bulk of this work was due to William Chan
Along with Mike Ernst won honorable mention in the 2000 ACM
Dissertation Award competition
Died in a tragic automobile accident a week after defending his
dissertation