CFII · Attitude Instrument Flying
CDI and OBS
Practice 47 real exam-style questions on CDI and OBS for the Flight Instructor, Instrument (CFII) written test, covering Figure 66, Figure 86, Figure 90, and more. Every question shows the correct answer, a plain-English explanation, and the exact FAA source it comes from, so you learn the material, not just the answer.
CDI and OBS is part of Pro.
The first four categories and two practice runs are free. $29 once unlocks every category, run, the exam simulator, quick quizzes, hints, and read-aloud.
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