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Advertisement Sec. 23.1335 - Flight director systems. If a flight director system is installed, means must be provided to indicate to the flight crew its current mode of operation. Selector switch position is not acceptable as a means of indication. [Amdt. 23-20, 42 FR 36969, July 18, 1977]
Previous: Sec. 23.1331 - Instruments using a power source.
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