What the Course Entails and Exam Details

To be accepted into OCS, you must first prove your academic aptitude by passing a standardized entrance exam, which is what the Navy OCS Practice Test prepares you for. This primary entrance exam is known as the Aviation Selection Test Battery (ASTB-E) or, for non-aviation officer roles, a subset of the ASTB-E known as the Officer Aptitude Rating (OAR).

The OAR consists of three essential subtests:

• Mathematics Knowledge: This section covers high school-level algebra, geometry, and basic trigonometry. It tests your ability to solve mathematical problems and understand quantitative concepts.

• Reading Comprehension: Here, you will be required to read passages and answer questions that evaluate your ability to understand, analyze, and interpret written information.

• Mechanical Comprehension: This section assesses your understanding of basic physical principles, such as leverage, pulley systems, gears, and simple electrical circuits.

Candidates applying for aviation positions (Pilots and Naval Flight Officers) must take the full ASTB-E, which includes the three OAR sections plus aviation-specific tests covering nautical terminology, spatial apperception, and aviation history.

The subsequent 13-week OCS course itself covers a vast syllabus including Naval History, Navigation, Engineering, Leadership, and Military Law, which are all rigorously examined during the program. Preparing successfully for the OAR/ASTB is the crucial first academic step.

What to Expect in the Final Exam

The standard Officer Aptitude Rating (OAR) is a computer-adaptive test (CAT), which means the difficulty of the questions adjusts based on your previous answers.

The three sections are format as follows:

• Mathematics Knowledge: Typically around 30 questions with a roughly 40-minute time limit.

• Reading Comprehension: Typically around 20 questions with a roughly 30-minute time limit.

Mechanical Comprehension: Typically around 30 questions with a roughly 15-minute time limit.