FAQs Archives: ADX Test & Test Preparation

What is the “ADX” test?

‘ADX’ stands for Aircraft Dispatcher. This is a standardized 80-question, multiple choice examination taken at an authorized  testing center (such as Sheffield School). A passing score of at least 70% is required – this would meet one of the prerequisites for passing an FAA-approved Aircraft Dispatcher course. Other prerequisites are required.

Can I complete the ADX knowledge examination at a PSI testing center near me before showing up for the first day of class or do you recommend that we take it there in Fort Lauderdale after classes start?

Although you’ll probably have to pay $150 – 160 for the ADX test at a testing center, which is included in your 5-week course tuition here at Sheffield, I would get it out of the way before arriving at school, ONLY IF YOU ARE READY TO TAKE THE TEST a few weeks or more prior […]

How many questions are on the ADX test?

80, but you may receive 1-2 additional “experimental” questions which will not count.

If I know only 70% of the 1500-1600+ ADX question bank, will I pass the ADX test?

No. Try to learn or memorize the entire subject matter before attempting the actual test. 

I know you mentioned the 1500+ question list would be sufficient and I went through the entire study guide, but on your online (html) quizzes, a lot of the other questions were not on the quiz. I didn’t understand that and it makes me wonder if I truly must know all 1500+ questions (the entire study bank).

The online quizzes are our attempt to put all 1500+ questions into quiz form and it is still a major work in progress; in other words, don’t worry if you encounter and miss a few questions that are not on the html quizzes – those are a continuous work-in-progress. If you can answer all the […]

So it will cost me $315.00 to retake the ADX test if failed?

Yes! Fortunately, very few fail it, but if you can’t pass this basic “memory excercise”, knowing all the questions, answers, and possible choices ahead of time, with instruction and practice provided, then there are other issues.

What happens if I fail the ADX test?

You must either wait 30 days for a retake or be tutored (our tutoring is computerized and costs $100) and then be approved for the ADX retake ($160). We basically run you through a series of practice quizzes, then allow you to take the test a 2nd time when we can reschedule you. 

Are the 1400-1500+ questions you provide in 16 PDF files the big key to passing the ADX test or does one just have to have exceptional memory and knowledge of all those areas in the study guide before attending?

The PDF files should be all that you need. Any other questions not on that list, but found on the actual test would usually be repetitive or a rewording of what you’re already studying. There can always be different questions on the actual test that are not on the 1400-1500+ question list, but we haven’t had […]

I looked ahead at the (Gleim) chapters 9, 10, & 11 and it worried me as to how I can pass this Knowledge exam in the five weeks without having any knowledge about instrument flight and all the complicated maps, A/FDs and legends, etc.

One electronic workshop covers the HSI/RMI questions step-by-step. We’ll show you an easy method to getting the correct answer, but we must emphasize that these questions should never have been placed on the ADX test. A dispatcher must be familiar with instrument flight basics, but NOT ridiculous tricky pilot questions. So if you never really […]

I read in a forum that Sheffield covers none of the ADX in their course.

That is misleading at best, and a lie, at worst. We DO cover much of the ADX material in class, automatically, when we instruct our curriculum. For example, we instruct Weather Theory for the first 3 days. During those 3 days, you will learn material that will help you answer any of the popular weather questions, […]

  • Contact Us

    • This field is for validation purposes and should be left unchanged.
  • Testimonials

    “I am a month into my new job at a airline coming out of reorganization, and am helping the training department by referencing the excellent and up to date course book provided to all Sheffield grads.” RW RW
    “If you want to be the best, first you need to be trained by the best!” P. Hill P.Hill – DHL
    “Their reputation of excellence amongst the industry is second to none. Sheffield School of Aeronautics should be seen as the standard of how it can be done and how it should be done. I was hired at a major airline with no dispatch experience.” A.Z. Sidebar AZ
    “These men represented the highest caliber of professionalism and integrity. The education I received from these gentleman has afforded me to be gainfully employed while having the opportunity to use the education received, all over this country, and more than a few others.” WG sidebar wg
    “I wanted to tell you I got the job offer from Expressjet, and start next month! I think a couple others from class were hired as well. It just shows the Sheffield reputation when I see graduates from other schools complaining that they can’t get an interview – I wasn’t even back home to Minneapolis […] Dan Gustafson
    “I am a graduate of the Sheffield’s Dispatcher Program. I have been a Captain-Part 121 Airline, Certified Flight/Grnd Instructor, and FAA Designated Check Airman and Sim Instructor (Part 121). From my experience I would rate Sheffield School as outstanding in their field.” PT PT
    “As a graduate of the aircraft dispatcher program at the Sheffield School of Aeronautics…My training was intense and thorough and furnished me with the requisite skills for performing my current job as a Flight Dispatch Supervisor.” N.S. Sidebar NS
    “My experience at Sheffield and my exposure to other aircraft dispatchers that did not go to Sheffield has resulted in an awareness of the superior depth and quality of the training provided by the Sheffield instructors.” CD Sidebar CD
    “After receiving my certificate, I joined a class of 4 experienced dispatchers for Part 121 initial training. Without experience, my preparation at Sheffield enabled me to become active at the same time after the initial training.” PR PR
    “Eric Morris is one of the most if not the most knowledgeable and experienced authorities on Aircraft Dispatching in the United States. He strives constantly to make the industry better.” DH sidebar DH
    “Going to Sheffield prepared me for the real world challenges of Aircraft Dispatching. I certainly believe that the method Sheffield used is one not only for success in a real world career, but also one that prepares students to correctly dispatch aircraft.” T.Z. Sidebar TZ
    “Sheffield School of Aeronautics is a highly recognized and respected organization throughout the airline industry. They only produce the highest quality of graduate…” P.W. Sidebar PW
    Good afternoon Eric, I wanted to reach out to let you know that training at (airline) is in full swing and I couldn’t be happier that I chose Sheffield. My classmates, while very smart, definitely had subpar training and that has been very evident. I have waited to write a full scale review of the […] Attending Sheffield School benefits airline new hires in preparation for airline training
    “I am so glad they are like this because it made me a better dispatcher and I really appreciate their high standards. I would highly recommend Sheffield to anyone who is willing to study hard and is serious about obtaining a Dispatcher Certificate.” MC MC
    “This was an amazing class! Always interesting! It was like drinking from a fire hose, but I have never enjoyed a course more than this one. Thank you for a great 5 weeks & EWINS!” R.S. R.S. Testimonial – 5-weeks & EWINS
  • Online Catalog

    Sheffield Flight Dispatch Training Catalog

  • Connect