Simple steps could help reduce aviation accidents

Simple steps could help reduce aviation accidents
Credit: Tadeu Jnr - Unsplash

Flight into inclement weather remains a significant cause of aviation fatalities, particularly for small aircraft, according to a recent study.

Two major events this year have highlighted the impact of poor weather on small : the US helicopter crash that killed nine passengers, including basketball star Kobe Bryant, and the mid-air collision between two aircraft that killed four people in Victoria in February.

UNSW Canberra Senior Lecturer Graham Wild, along with Ph.D. student Ayiei Ayiei of RMIT University and Mr John Murray of Edith Cowan University, found that such occurrences have not decreased in almost two decades, despite reliable strategies in place aimed at reducing fatalities.

"It has been known for many years in aviation that these events are very dangerous, and organizations have been working to try to reduce the number of these events," Dr. Wild said.

"Sadly, it does not appear that these initiatives have achieved the intended goals."

These incidents are more likely to involve private flights—pilots flying themselves and/or friends and family—rather than . They are also more commonly associated with experienced pilots.

"Pilots who have some , what is called a night rating, were more likely to continue into inclement weather, likely assuming the situation is similar to flying at night, which is then more likely to result in a fatal outcome," Dr. Wild said.

Dr. Wild said the decisions of the pilot had more of an impact than any other factor.

"The critical factor is the pilot's choice, at two key points: the first is to do a full check of all weather for the flight before departing, and the second is to choose to immediately turn around if the deteriorates during a flight," he said.

"The key positive finding was that if an occurrence involved a pilot following the "three Cs"—communicate, confess, and comply—it always ended without an accident. So, if a pilot can admit they have made a bad decision, there are pilots and air traffic controllers on the radio who can help save lives."

Dr. Wild said technology could be further developed to help pilots. Particularly if technologies utilized by major airlines were adapted for .

"This is applicable in those situations where a pilot tries to descend under clouds into raising terrain. If a was able to provide terrain elevation, it could warn a of an impending controlled into terrain," he said.

"Visual Flight into Instrument Meteorological Condition: A Post Accident Analysis" was published by the Multidisciplinary Digital Publishing Institute in April.


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Image: View from an F-15D

More information: Ayiei Ayiei et al. Visual Flight into Instrument Meteorological Condition: A Post Accident Analysis, Safety (2020). DOI: 10.3390/safety6020019
Citation: Simple steps could help reduce aviation accidents (2020, April 22) retrieved 24 November 2020 from https://techxplore.com/news/2020-04-simple-aviation-accidents.html
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