OAR Atoll — practice voyage

Sail between islands of practice exams. Adaptive testing. Realistic timing. Track every voyage.

Choose your practice island

Structure of the OAR

Math Skills (MST): 30 questions in 40 minutes
Reading Comprehension (RCT): 20 questions in 30 minutes
Mechanical Comprehension (MCT): 30 questions in 15 minutes

This practice mirrors the real OAR's computer-adaptive format: each question's difficulty adjusts based on your running performance, and your final score is scaled to the real 20–80 OAR range. No calculator. Per-section timers.

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Voyage complete

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OAR score (20–80)

Math--

Reading--

Mechanical--

Exam	Date	OAR	Math	Reading	Mech	Q#