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Reduce Your Risk of Bird, Wildlife Collisions
Sept. 9, 2013
The first bird strike occurred in 1905; today, the FAA receives more than 10,000 reports of bird and wildlife strikes each year, yet it is estimated that this only represents 50% of all strikes that occur. At an estimated cost of $600 million to civil aviation alone each year, this is not a problem to be taken lightly. Worldwide, over 250 people have lost their life due to wildlife strikes since 1988.
The FAA and USDA have been working to gather as much information as possible about wildlife strikes. The primary source of information is pilots who encounter wildlife, file bird strike reports, and send in collected samples. Composed data helps determine many things, including migratory patterns and high risk areas. Over 95% of wildlife strikes involve birds, so this is where most research and resources have been concentrated. All wildlife strikes should be reported to the Wildlife Strike Database at http://wildlife.faa.gov.
Sending samples from bird strikes to the Smithsonian Institute for identification allows scientists to, among other things, track migration patterns and trends. The USDA and Smithsonian Institution partnered to produce a video that provides guidance for safely and properly collecting avian samples and reporting wildlife strikes, Strike Snarge, & Safety: Your Guide to Wildlife Strike Reporting. Flight departments are highly encouraged to report all bird/wildlife strikes and to keep a Bird Strike Sample Collection Kit. This collection kit includes:
- Resealable plastic bags of various sizes
- Prepackaged Alcohol wipes/ spray bottle with alcohol
- Permanent marker
- Paper or cloth wipes
- DNA Collection Card & Sterile Applicators
- Personal safety items including:
- Latex gloves
- Hand sanitizer
- Protective eye wear
- Face masks
- Be vigilant during takeoff: Of reported strikes with turbine powered aircraft, 93 percent occur at less than 500 feet AGL; 90 percent of strikes occur at or below 100 feet AGL. Above 500 feet AGL, the risk of a bird strike declines 32 percent for every 1,000 feet. If you observe birds/wildlife on or near the airport, report what you see to ATC as soon as possible.
- Keep departure airspeed at or below 250 knots at altitudes below 10,000 feet: The kinetic energy of a bird is 31 percent greater at 300 knots than at 250 knots. Some experts suggest maximizing climb rate through 3,500 feet, especially at night and in the months of April to May and September through November (normal migration season).
- Increase the visibility of your aircraft: Although there is no definitive data, experts say that it can't hurt to make the aircraft as visible as possible. For example, keep exterior lights on when in the airport environment.
- Report all wildlife strikes (even near misses) and familiarize yourself with the FAA's Online Strike Database: A recent proposed rule by the FAA to prevent public access to its wildlife strike database (wildlife-mitigation.tc.faa.gov) was struck down, and the web site is now more user-friendly than ever, with a wealth of information, research and news.
- NBAA's Safety Committee has a Bird Strike Working Group (BSWG) dedicated to reducing the bird/wildlife strike hazard to Business aviation. If you have problems, questions, or comments about bird/wildlife hazards, please contact the committee or BSWG.
- New FAA Video Promotes Bird Strike Reporting
- July 15, 2015
The FAA has released a new video to encourage reporting of aircraft collisions with birds and other wildlife. The video, titled the "2015 Wildlife Hazard Management and Strike Reporting Update," explains how strike reporting helps reduce wildlife hazards at airports. Gary Cooke, who chairs NBAA's Bird Strike Working Group, said that business aviation is often more vulnerable to bird strikes. "Business aviators often operate high-performance aircraft into and out of many rural and non-certified airports, and many of these airports lack a wildlife hazard management plan that helps to mitigate the risks to aviation," he said. Read more about wildlife strike reporting.
- FAA Seeks More Bird-Strike Reporting at Community Airports
- November 14, 2011
Following a runway excursion at Jackson Hole, WY airport (JAC) involving a Part 121 air carrier, the FAA has issued a Safety Alert for Operators (SAFO) outlining best practices for preventing excursions from the runway on takeoff or landing. At JAC, there were 20 runway excursions reported from 2007-2010. The incidents were evenly split between Part 121 air carriers and general aviation operators. The best practices and mitigation strategies outline in the SAFO are designed to ensure that flight crews conduct stabilized approaches and touchdown with accuracy - on speed, on path, configured and landing at a point on the runway, within the touchdown zone to ensure the aircraft to be stopped on the runway. Review the FAA SAFO.
- Proactive Airports, Pilots Minimize Wildlife Strike Hazards
- August 2009
Less than two years after he and his brother Wilbur pioneered powered flight, Orville Wright become the first pilot to strike a bird in flight. The date was September 7, 1905, near Dayton, and the bird was probably a red-winged blackbird. Since then, collisions between wildlife and aircraft have increased dramatically, with 82,057 strikes reported in the U.S. between 1990 and 2007. Learn more.
- Wildlife Hazards and Business Aviation: What Can Bizav Professionals Do To Mitigate Wildlife Strikes?
- December 2012
Lessons learned from the infamous USAir bird strike that landed in the Hudson River and a Cessna CE-500 Citation near Oklahoma City, Oklahoma provide valuable insight into bird strike avoidance techniques. Specific strategic and tactical tools can be used to help analyze risk and reduce the impact of bird strikes for business aviation operators.
Read the Report Bird Strike Hazards and Mitigation Strategies for Military Rotary-wing Aircraft (248 KB, PDF)
How to Reduce the Risk of Wildlife Strikes
The two systems most commonly used for wildlife strike risk assessment are the U.S. Air Force's Bird Avoidance Model (BAM) and the Avian Research Laboratory's Avian Hazard Advisory System (AHAS). BAM is a strategic risk assessment tool that combines data collected over the last 30 years from 10,000 locations on 50 different species of birds. It then derives an estimated bird strike risk assessment for a selected route, biweekly period, or time of day. AHAS is a tactical risk assessment tool that uses data from BAM, weather radar, historical bird strike records, and the average mass of birds, which is tracked in an FAA database, to present a standardized measure of risk for low level routes in a particular area.
Although wildlife strike prevention is most effectively accomplished on the ground, experts say there are some precautions that operators can take: