737 Theory Frequently Asked Questions

737 Theory is an online revision resource for Boeing 737 type-rating preparation and technical knowledge practice. The question bank contains 800+ technical questions, with subject banks and randomly generated practice papers.

You can also use the free QRH memory-item flashcards. Member-only question banks, practice papers and crib sheets are available through 1, 3 or 6-month subscriptions.

Yes. The website works in a mobile browser, including the free flashcards and question-bank pages. You can revise on a phone, tablet or desktop. Member-only study pages require an active subscription.

Some questions include answer explanations, but explanations are not available for every question. The team is working to expand them alongside the question bank. If an answer is unclear, contact us with the topic and question details.

Use the 737 Theory contact form or email TypeRatingTheory@outlook.com. Tell us whether your question is about account access, subscriptions or study material so we can help.

Yes. You can try the free 15-question Boeing 737 technical test on the homepage before choosing a subscription. The QRH memory-item flashcards are also free to use. For the member-only question banks and practice papers, compare the subscription plans.

Please contact the team with the aircraft-system topic, the question wording and a description of the issue. Include the reference you are using where possible so the team can review your feedback.

The team works to expand and improve the question bank. Feedback helps identify topics and answers that need attention. You can send feedback to 737 Theory or browse the current practice options.