01616oam 2200433 a 450 991070034610332120110516111315.0(CKB)5470000002409526(OCoLC)681265025(EXLCZ)99547000000240952620101114d2010 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierAviation safety[electronic resource] certification and approval processes are generally viewed as working well, but better evaluative information needed to improve efficiency : report to congressional requesters[Washington, D.C.] :U.S. Govt. Accountability Office,[2010]1 online resource (ii, 35 pages) illustrationsTitle from PDF title screen (GAO, viewed Nov. 14, 2010)."October 2010.""GAO-11-14."Includes bibliographical references.Aviation safety AeronauticsSafety measuresStandardsUnited StatesAirworthiness certificatesUnited StatesAirplanesCertificationUnited StatesAeronautical instrumentsCertificationUnited StatesAeronauticsSafety measuresStandardsAirworthiness certificatesAirplanesCertificationAeronautical instrumentsCertificationDIDDIDGPOBOOK9910700346103321Aviation safety2313029UNINA