I passed today with an 85, but the computer crashed before I was able to see the 9 questions I missed, and the proctor was unable to recover them. Without much knowledge of aviation principles and practices, here's what I studied and found the most useful. First I bought the most recent edition of the Los Angeles aeronautical section map and studied it intensively, even when sitting waiting for a pizza or a haircut. I found an app that allowed me to study the METAR and TAF for my local airport, and I looked at that every day for 3 weeks, sometimes twice a day. I went through Sarah Nilssen's and JRupptrecht's websites a couple times. The 3DR.com website was very useful with its summary of concepts and 101 test questions to review on the morning of the exam. The FAA has a web page of sample test questions, too. Several YouTube videos were very informative, especially pertaining to airspace as was Jason Schappert's webinar about airspace. I went into the exam feeling pretty confident, but in spite of all the study, several questions came out of left field and really stymied me. I could only guess. I think I had only one METAR question in contrast to what other forum members have reported. Be sure to flip through the supplement book before the exam to see what it contains, and take your time during the exam! You'll have plenty. I went back over my answers three times and still had 20 minutes left. I hope this helps you who have yet to take the exam. Good luck.