Free OAR Exam Prep
Officer Aptitude Rating (OAR)
Prepare for the OAR exam without spending hundreds on expensive prep courses. Free study guides, practice questions, flashcards, and related exam resources.
Quick Facts
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OAR Military Officer Aptitude Tests License: Complete Roadmap
Follow this path to organize your licensing and exam preparation
Phase 1: Math Core RepairYou are here
Rebuild arithmetic, algebra, geometry, and data-analysis speed without a calculator.
Phase 2: Reading Precision
Drill passage-based detail, main-idea, and inference questions using evidence-only reasoning.
Phase 3: Mechanical Fundamentals
Master force, motion, fluids, pressure, electricity, gears, pulleys, and simple machines.
Phase 4: Timed Mixed Sets
Blend all three subtests under realistic pacing and review every miss by concept.
Can You Take the OAR Exam?
Check if you meet the basic eligibility requirements
- •Non-aviation applicants often take only the OAR; aviation applicants usually need the full ASTB-E
- •No calculator allowed; scratch paper and provided formulas are used instead
- •Current ASTB/OAR guidance is English-only and computer-adaptive in APEX
- •Current guidance states the most recent attempt replaces all prior scores
OAR Quick Facts
Time to Get Licensed
4-8 weeks for most candidates
From start to license in hand
Exam Provider
Navy Medicine Operational Training Command / authorized ASTB APEX testing sites
Retake Policy
Current Navy Medicine guidance states a three-attempt limit on the current OAR/ASTB-E series and at least 30 full calendar days before retesting; confirm current timing with your recruiter.
Total Cost Breakdown
Free OAR Prep Tools
Reported exam pass rate: Navy does not publish a single national OAR pass rate.. Check the exam sponsor for the latest official figure.
200 Practice Questions
Full coverage for OAR math, reading, and mechanical reasoning.
AI-Powered Learning
Review worked explanations for calculations, passage analysis, and mechanical setups.
2026 Updated
Aligned to current APEX delivery and current MyNavyHR program-authorization guidance.
Free Access
Practice OAR questions at no cost with detailed answer explanations.
What You'll Study
5 chapters covering the exam topics in this guide
OAR Exam Details
Officer Aptitude Rating (OAR)
Administered by Navy Medicine Operational Training Command / Naval Aerospace Medical Institute
Exam Content Breakdown
Based on the official Navy Medicine Operational Training Command / Naval Aerospace Medical Institute content outline
Arithmetic, algebra, geometry, and data-analysis reasoning under no-calculator conditions.
Main idea, direct detail, and inference questions drawn strictly from short passages.
High-school physics style reasoning on forces, fluids, pressure, electricity, engines, gears, and simple machines.
What's Included
5 Chapters
Complete exam coverage
Practice Quizzes
With detailed explanations
Free to Start
No credit card required
Quality Exam Prep Shouldn't Cost Hundreds
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What's Next After the OAR?
After passing the OAR, you can pursue these career paths
OAR Exam FAQ
Official Navy Medicine Operational Training Command / Naval Aerospace Medical Institute Resources
Verify information with these official sources
More Free Resources
Ready to Start Your Free OAR Prep?
Review the study guide, practice key concepts, and use the free tools at your own pace.