In efforts to raise the standards for safety measures, mandatory drug and alcohol testing for employees of aircraft repair shops in other countries could be a requirement if the Federal Aviation Administration's proposal goes through. Under that plan, foreign shops that perform certain safety-related work on planes would have to electronically submit employee test results to the U.S. Department of Transportation.

For more on this, KCBS Radio news anchors Bret Burkhart and Patti Reising spoke with Mary Schiavo, aviation lawyer and former inspector general of the United States Department of Transportation.