NTSB issues safety recommendations A-12-54 through -58.

Press Release Summary:



According to NTSB, FAA should inform domestic and foreign manufacturers of airplanes that are certified under 14 Code of Federal Regulations Parts 23 and 25 about circumstances of accident. FAA should also work with Flight Test Safety Committee to develop and issue detailed flight test operating guidance that addresses deficiencies documented in this report, and to develop and issue flight test safety program guidelines based on best practices in aviation safety management.



Original Press Release:



NTSB Safety Recommendations A-12-54 through -58



The NTSB issued 10 new recommendations, including three to the Flight Test Safety Committee, two to Gulfstream Aerospace Corporation, and the following five recommendations to the Federal Aviation Administration:



A-12-54

Inform domestic and foreign manufacturers of airplanes that are certified under 14Code of Federal Regulations Parts 23 and 25 about the circumstances of this accident and advise them to consider, when estimating an airplane's stall angle of attack in ground effect, the possibility that the airplane's maximum lift coefficient in ground effect could be lower than its maximum lift coefficient in free air.



A-12-55

Work with the Flight Test Safety Committee to develop and issue detailed flight test operating guidance for manufacturers that addresses the deficiencies documented in this report regarding flight test operating policies and procedures and their implementation.



A-12-56

Work with the Flight Test Safety Committee to develop and issue flight test safety program guidelines based on best practices in aviation safety management.



A-12-57

After the Flight Test Safety Committee has issued flight test safety program guidelines, include these guidelines in the next revision of Federal Aviation Administration Order 4040.26, Aircraft Certification Service Flight Test Risk Management Program.



A-12-58

Inform 14 Code of Federal Regulations Part 139 airports that currently have (or may have in the future) flight test activity of the importance of advance coordination of high-risk flight tests with flight test operators to ensure that adequate aircraft rescue and firefighting resources are available to provide increased readiness during known high-risk flight tests.




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