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N PD 7900 4E
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Status:
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CURRENT
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Subject:
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NASA Aircraft Operations Management
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Responsible Office Code:
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GA
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Effective Date:
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April 5, 2023
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Expiration Date:
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April 5, 2028
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Cancellation Date:
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Document Cancelling this Directive (if Cancelled):
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Documents Cancelled by this Directive:
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