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Figure 88: CDI and OBS Indicators
Airman Knowledge Testing Supplement for Instrument RatingOfficial PDF IRAIRHIPLIPIIFPFIIFIHAIFHIFIGI
Practice
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OBS FREQ 139 FROM 116.9 OBS FREQ 264 114.5 FROM 1 2 OBS FR TO N E S W 3 33 24 21 15 12 30 6 OBS FR TO N E S W 3 33 24 21 15 12 30 6