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RotaryXC

A working pilot's reference for the FAA helicopter knowledge tests, oral exams, and checkrides.

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What's Here

Knowledge Test Prep

Aerodynamics, systems, regulations, weather, navigation — the actual content the FAA tests, organized by certification track.

Oral Exam Reference

Topics structured the way DPEs ask them. Settling with power, dynamic rollover, retreating blade stall, ICEFLAGGS, SHARPTT — all here.

Hour Calculator

Enter your logged time. See exactly how many hours you have left for PPL, IFR, CPL, CFI, CFII, or cross-category airplane add-ons.

Built by a Working Pilot

Notes from active CFII training, not regurgitated handbook content. Includes the cross-references and gotchas that show up on the test.

Certification Tracks

Pick where you are. Each track contains structured topic pages — not just an outline, the actual content.

Latest from the Blog

New writeups from the cockpit. Concepts that don't fit cleanly into a course outline.

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Tools & References