Guides
Everything you need to understand the Defence Aptitude Assessment and the journey into the RAF or Royal Navy — what's on the test, how scores decide your roles, the application steps, and how to prepare. Clear and jargon-free.
DAA basics
The Defence Aptitude Assessment (DAA) explained
What the Defence Aptitude Assessment is, its six timed sections, how many questions you face and how scores decide which RAF and Royal Navy roles you qualify for.
7 min read
DAA scores and what they mean for your application
How Defence Aptitude Assessment scores work: there's no single pass mark, roles need different section scores, why reasoning matters most and re-sit rules.
6 min read
How Hard Is the DAA? An Honest Look at the Difficulty
How hard is the Defence Aptitude Assessment? An honest look at what makes the DAA challenging — time pressure, no calculator and six section types — and why it is beatable.
6 min read
Can you retake the DAA? Resit rules explained
Can you resit the Defence Aptitude Assessment? Generally yes, but usually after a waiting period. What to do if you're unhappy with your result, and why to confirm current rules with your Careers Office.
5 min read
DAA vs BARB — what's the difference?
The DAA and the BARB are different armed forces aptitude tests. Learn how they differ, which service uses each, and why the one you sit depends on whether you apply to the RAF, Royal Navy or Army.
6 min read
The RAF Aptitude Test explained
The RAF aptitude test is the Defence Aptitude Assessment (DAA), formerly the Airman/Airwoman Selection Test. Learn what it involves, where it fits in the RAF application and how aircrew and officers test at OASC.
6 min read
The Royal Navy Aptitude Test explained
The Royal Navy aptitude test (or recruit test) is the Defence Aptitude Assessment. Here is what it involves, where it sits in the Navy joining process and how to prepare.
6 min read
Section guides
DAA Verbal Reasoning: True, False or Cannot Say explained
A clear guide to the DAA verbal reasoning section — how True, False and Cannot Say questions work, a fully worked example and practical tips to score well.
6 min read
DAA Numerical Reasoning: worked examples and quick tips
A guide to the DAA Numerical Reasoning section for RAF and Royal Navy applicants — the topics tested, two worked examples with the maths shown, and timing tips.
6 min read
DAA Work Rate guide: how to master speed and accuracy
A clear guide to the DAA Work Rate section for RAF and Royal Navy applicants — question styles, a worked substitution example, and tips to be fast and accurate.
5 min read
DAA Spatial Reasoning: question types and how to pass
A guide to the DAA Spatial Reasoning section for RAF and Royal Navy applicants — cube nets, rotations, mirror images and counting cubes, with worked examples and tips.
6 min read
DAA Mechanical Comprehension: gears, levers and pulleys explained
A plain-English guide to the DAA Mechanical Comprehension section — the rules for gears, levers and moments, pulleys and ramps, with a worked example and tips.
6 min read
DAA Electrical Comprehension: A Complete Guide
Master the DAA Electrical Comprehension section for RAF and Royal Navy applicants. Learn series and parallel circuits, Ohm's law, units and more.
6 min read
Test prep
How to prepare for the DAA: a practical revision plan
Practical ways to prepare for the Defence Aptitude Assessment — practise each section, sharpen mental arithmetic, learn gear and circuit basics and do timed practice.
7 min read
What to expect on DAA Test Day: format, ID and tips
What happens on DAA test day — where the Defence Aptitude Assessment is sat, what to bring, the format of the six timed sections and practical tips to perform at your best.
5 min read
Free DAA Practice Questions & Test: all six sections
Try free DAA practice questions and a test covering all six sections, each with a worked answer. The fastest way to get familiar with the format before you apply.
5 min read
Mental Maths for the DAA: no-calculator tips and shortcuts
Practical mental maths tips for the DAA Numerical Reasoning section — percentages, fractions, ratios, speed-distance-time and conversions worked through step by step, with no calculator needed.
6 min read
Common DAA Mistakes and How to Avoid Them
The most common DAA mistakes RAF and Royal Navy applicants make — from skipping timed practice to leaving questions blank — and a simple fix for each one.
6 min read
A 4-Week DAA Study Plan for RAF & Royal Navy Applicants
A flexible 4-week DAA study plan for RAF and Royal Navy applicants. Week-by-week focus on reasoning, technical and spatial sections, plus timed mocks.
6 min read
DAA Time Management: Beating the Clock
Timing is the real challenge in the RAF and Royal Navy DAA. Learn how to keep a steady pace, when to guess, and how to time each section so the clock never beats you.
5 min read
Joining up
How to join the RAF: the application process step by step
A step-by-step guide to joining the Royal Air Force in 2026 — eligibility, the DAA aptitude test, interview, fitness test, medical and basic training explained.
8 min read
How to join the Royal Navy: the application process explained
A step-by-step guide to joining the Royal Navy in 2026 — eligibility, the DAA aptitude test, interview, the swim test, the fitness test, medical and training.
8 min read
RAF Pilot Aptitude Requirements: How the DAA Fits In
What aptitude the RAF looks for in pilots, how the DAA is the first hurdle, and the further specialised aircrew testing at OASC — plus general eligibility, medical and fitness pointers.
6 min read
Royal Navy Fitness Test and Swim Test: what to expect
What to expect from the Royal Navy Fitness Test and swim test — the timed 2.4km run, the swim assessment, where they fit in the joining process and how to prepare.
6 min read
What happens After the DAA? The rest of the selection process
Sat the Defence Aptitude Assessment? Here is what typically comes next for RAF and Royal Navy applicants: role matching, interview, medical, fitness test, security checks and basic training.
6 min read
RAF Officer & Aircrew Selection (OASC) Explained
A plain-English guide to the RAF's Officer and Aircrew Selection Centre (OASC) at Cranwell — how the DAA fits in, what the aptitude tests, interview, group and planning exercises, fitness test and medical involve, and how to prepare.
6 min read
RAF & Royal Navy Interview: Common Questions and Tips
A practical guide to the RAF and Royal Navy selection interview: where it sits in the process, the themes interviewers explore, example question types and how to prepare using STAR-style examples.
6 min read
RAF roles and trades: an overview of the main career families
A general overview of RAF roles and trades in 2026 — the broad officer and airman/airwoman career families, from aircrew to engineering, logistics and force protection, and how your DAA scores fit in.
6 min read
Royal Navy roles and branches explained
A general overview of Royal Navy roles and branches — Warfare, Engineering, Logistics, Medical, the Fleet Air Arm and the Submarine Service — and how your DAA scores connect to the roles you qualify for.
6 min read