Contributor - Accidents and Regulations

Contributor - Accidents and Regulations

Gordon Gilbert

The FAA recently issued&nbsp;<a href="https://www.faa.gov/other_visit/aviation_industry/airline_operators/airline_safety/info/all_infos/InFO23005" style="font-family: inherit; font-size: 1em;" target="_blank">Information for Operators 23005</a>&nbsp;reiterating a 2016 government/industry rotorcraft bird strike working group study and summarizing its recommendations. For example, helicopter operators should learn about the local bird population and use it to plan and fly routes. “Among the key considerations are seasonal migratory times and concentration patterns within the typical operating area.”
Other recommendations include “reducing airspeed and gaining altitude.” The study found that “77 percent of bird strikes occur at airspeeds greater than 80 knots, particularly at lower altitudes” and “there is a 32 percent decrease of bird strike likelihood for every 1,000 feet gained above 500 feet agl.” Birds fly higher at night, “so an increase in altitude may be needed even more at night than during the day.” A helmet and visor, at least for helicopter crewmembers, should be worn when practical.
Finally, the study recommends “using taxi and/or landing lights in a continuous mode during sunny conditions and at night when practical, and use a 2-Hz pulsed mode during partly cloudy conditions, and/or install lighting systems that provide the equivalent with white incandescent, high-intensity discharge or light emitting diodes.”
Following its 2016 investigation of numerous helicopter bird strikes, the FAA’s working group concluded that little information was provided to operators about bird strike hazards. Consequently, the working group made additional recommendations to reduce the likelihood of an injurious bird strike. Its&nbsp;<a href="https://www.faa.gov/regulations_policies/rulemaking/committees/documents/media/ARAC%20RBSWG%20Final%20Report.pdf" target="_blank">findings and recommendations</a>&nbsp;were published in December 2017.

News about bills, laws, regulations and other governmental decisions affecting aviation and aerospace. Topics include FAA re-authorizations, taxes on fuel and aviation activities, environmental legislation, ICAO decisions, governmental mediation of labor conflicts and World Trade Organization disputes and decisions.

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News and issues relating to business, corporate and private aviation, primarily regarding turbine-engine-powered airplanes and helicopters. Subjects include aircraft, engines, maintenance, operations, personnel, acquisitions, accidents, safety, security, and training.

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News and issues relating to the aerospace industry that are related to the science, engineering and business of flight in space involving civil, industrial and military applications, and similar topics related to flight in the atmosphere of the Earth that are not covered more directly by other AINonline subject channels. In other words, both astronautical and aeronautical subjects, except for those aeronautical topics that are specifically covered elsewhere on this website.

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