SAFETY QUIZ NIGHT OPS NOW THAT THE WINTER DAYS ARE SHORTER AND YOU'RE LIKELY TO FLY MORE OFTEN WHEN DARKNESS SETS IN, IT'S TIME TO SHARPEN YOUR NIGHT OPS KNOWLEDGE. For example, you may know that PAPI and VASI systems have an effective visual range of up to 20 miles at night. But do you know at what distance they provide safe obstacle clearance? CFIs and students, share this quiz (airsafetyinstitute.org/quiz/nightops) and test your knowledge!http:// https://www.aopa.org/lms/quizzes/presentQuiz.cfm?course=724&quiz=1&utm_source=asi&utm_campaign=cfi%20newsletter&utm_medium=email&utm_content=december https://www.aopa.org/lms/quizzes/presentQuiz.cfm?course=724&quiz=1