U.S. Coast Guard A boat operator is likely to become impaired more quickly than a driver, drink for drink.
Alcohol & Decisions On The Water Perspiration from the sun removes water from your body but leaves in the alcohol and causes impairment more quickly.
Drinking on Your Boat In boating, stressors like wind, sun, noise, motion, and vibration can magnify the effects of alcohol and even accelerate impairment.
Hot Boating Tip A slightly intoxicated person can fall overboard and suffer from hypothermia.
How High Is Your Airline Pilot a referenced statistical report by Gerald A. Bunn, MA, CEAP, retired U.S. Navy Commander: performance deterioration following alcohol ingestion/hangover (75,000 at-risk airmen)