Follow Marshall S. Filler through his exploration of drug and alcohol testing requirements in both 14 CFR parts 14 and 49. In Filler’s words, remember: “This is not a logic exercise…it’s a regulatory exercise.” Interested in all five D&A sessions (you can see the rest below)? Click here to purchase them together and save. Requirements of 14 CFR part … Continue reading On Demand Series on D&A Testing Requirements