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N PD 7900 4C
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Status:
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CANCELLED
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Subject:
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NASA Aircraft Operations Management
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Responsible Office Code:
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LD1
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Effective Date:
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April 8, 2009
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Expiration Date:
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August 8, 2014
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Cancellation Date:
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April 27, 2004
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Document Cancelling this Directive (if Cancelled):
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N PD 7900 4B
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Documents Cancelled by this Directive:
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