Noise Levels for U.S. Certificated and Foreign Aircraft; Estimat Estimated Airplan Noise Levels in A-Weighted Decibels
OMB 2120-0666
OMB 2120-0666
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Noise Levels for U.S. Certificated and Foreign Aircraft; Estimat Estimated Airplan Noise Levels in A-Weighted Decibels All Historical Document Collections
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Approved without change |
New collection (Request for a new OMB Control Number) | 2001-03-22 |
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