You attended a party last night and you consumed several glasses of wine. You are planning to fly your aircraft home and have been careful to make sure 8 hours have passed since your last alcoholic drink. You can make the flight now only if you are not under the influence of alcohol and your blood alcohol level is

Explanation

14 CFR 91.17(a) prohibits acting as a crewmember within 8 hours of drinking alcohol, while under the influence, or with a blood alcohol concentration of 0.04 percent or more. Having waited 8 hours, you may fly only if you are not impaired and your blood alcohol is below 0.04 percent. 0.08 percent is a common highway limit, and the regulation does not set zero.