# data[].attributes.headline
CS 23.1311 Electronic Display Instrument Systems

# data[].attributes.subject
CS 23.1311 Electronic Display Instrument Systems

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UK-E 690f Engine Performance with Bleed Air​

# data[].attributes.subject
UK-E 690f Engine Performance with Bleed Air​

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CS 23.1309 Equipment, Systems and Installations

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CS 23.1309 Equipment, Systems and Installations

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CS 23.939 Powerplant Operating Characteristics

# data[].attributes.subject
CS 23.939 Powerplant Operating Characteristics