United States. Department of Transportation. Federal Aviation Administration (1966). PART 121: AMENDMENTS 121-20 (Report No. Docket Nos. 7438, 7172). United States. Department of Transportation. Federal Aviation Administration. https://doi.org/10.21949/1510887
United States. Department of Transportation. Federal Aviation Administration. PART 121: AMENDMENTS 121-20. Report no. Docket Nos. 7438, 7172. United States. Department of Transportation. Federal Aviation Administration, 1966. https://doi.org/10.21949/1510887.
United States. Department of Transportation. Federal Aviation Administration PART 121: AMENDMENTS 121-20. United States. Department of Transportation. Federal Aviation Administration, 1966, Report no. Docket Nos. 7438, 7172, ROSA P. https://doi.org/10.21949/1510887.
Requirements for emergency evacuation ropes at certain exists and for megaphones aboard aircraft; postponement of effective dates for cockpit voice recorders and certain emergency lighting requirements; and miscellaneous amendments affecting emergency evacuation requirements.
United States. Department of Transportation. Federal Aviation Administration (1966). PART 121: AMENDMENTS 121-20 (Report No. Docket Nos. 7438, 7172). United States. Department of Transportation. Federal Aviation Administration. https://doi.org/10.21949/1510887
United States. Department of Transportation. Federal Aviation Administration. PART 121: AMENDMENTS 121-20. Report no. Docket Nos. 7438, 7172. United States. Department of Transportation. Federal Aviation Administration, 1966. https://doi.org/10.21949/1510887.
United States. Department of Transportation. Federal Aviation Administration PART 121: AMENDMENTS 121-20. United States. Department of Transportation. Federal Aviation Administration, 1966, Report no. Docket Nos. 7438, 7172, ROSA P. https://doi.org/10.21949/1510887.
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