AIAS published “Analysis of bird collisions 2010 - 2020” from the Romanian civil aviation: 1734 bird collisions!
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In the “AIAS Annual Safety Report” published in 2020, bird collisions were identified as the most reported type of civil aviation event. These events are a topical issue, causing annual damage to aircraft internationally and nationally. In Romania, a significant percentage of events reported at national level is registered and it is an important safety issue for civil aviation, which requires analysis.
This report analyzes the collisions with birds, produced in Romania near international airports in the period 2010 - 2020, which aims to inform the interested public on the national situation of such events, which involved aircraft used by commercial aviation, as well as of their effects on flight safety.
This analysis aims to show what is the risk assessment of the security issue addressed and how it is affected by the level of security for commercial civil aviation operations.
For the analysis, information registered in the national ECCAIRS database was used, following the events reported in the period 2010 - 2020.
In the period 2010 - 2020, 1734 collisions with birds were collected, produced on the Romanian territory, as can be seen from the chart below, they registered a significant increase between 2017 and 2019. Therefore, in 2017 they 229 such events were notified, and in 2019, the number of collisions with birds increased by 59% compared to 2018, being a total of 318 events.
The graph below shows the situation for 2020, in which a number of 135 events were registered, being below the average of the last 9 years, which is equal to 163,4 events per year, with a percentage lower by about 58% compared to from the previous year. This fact is a direct consequence of the global SARS-CoV-2 pandemic, which had its starting point in Romania in March 2020.
Graph 1 shows the percentage rate of reported bird collisions, calculated from the total number of events recorded in the national database. The values of this rate are between 6,9% - 13,2%, with a 10-year average equal to 10,4%. From this calculation we understand the production rate of the event at national level.
Of the total events of this type recorded in the period 2010-2020, 1183 were minor and without affecting safety. The remaining 551, representing 32% of all such events, were included in the incidents.
Taking into account the flight phases, the report says that 81% of these bird collisions occurred on takeoff and landing. Information on the affected aircraft side or on the airports with the most such events can be found in the AIAS report.
The report is very complex and interesting, so we recommend that you analyze it below.
It is an initial analysis of collisions with birds, registered in the national database, which aims to create an image of this type of event. This type of event is one of the most common, whose risk cannot be completely eliminated, but can be reduced.
Also, the important points of this report are:
- bird collisions are an aviation event present in Romania;
- these events have a high incidence rate in the summer-autumn months;
- the number of collisions with birds is influenced by the number of aircraft movements;
- in Romania, bird collisions were recorded in severity classes "incident" and "without affecting safety";
- these events are present around all international airports in Romania;
- the phases of flight that have the highest incidence of a collision with birds are landing and take-off;
- the windscreen, fuselage and wing are the main parts of the aircraft that are hit by birds;
- the higher the speed of the aircraft and the heavier the bird, the greater the risk of serious damage to the aircraft;
- it is mandatory to report all events that have resulted in collisions with birds.
Such events also known as "bird strikes" happen all over the world. In most cases, the aircraft suffers minor damage, without compromising flight safety. But there were also very serious cases, and here we remind you of "The miracle on the Hudson River”. The two engines of the plane were severely damaged by a flock of birds.
Also due to collisions with birds, a Airbus A321 URAL Airlines landed in the cornfield. Both engines failed after colliding with a flock of birds.
If you witness such an incident, keep your footing and pay attention to the cabin crew's urging. Pilots are trained for such unpleasant events.