Analysis and safety levels

MAIN TRENDS IN SAFETY FOR 2016

Registered events in operations:

  • The annual study of the maturity of the Safety Management System SMS in „EUROCONTROL CANSO SMS Standard of Excellence Measurement in 2016‘ reported result of 86%, which ranks BULATSA among the leading 10 ANSPs of total 44 European states participated in the study.
  • 487 aviation events have been reported against 351 in 2015;
  • Three incidents with a severity class B, three incidents with severity class C and three incidents with severity class E with the contribution of the ATS Units have been registered;
  • 478 incidents with no contribution of the ATS Units which are events with severity class E without safety implications and D unspecified events;
  • The number of the events, type “Illumination with laser” remained almost the same in 2016 - 51 events, when in 2015 there were registered 57 events;
  • There is an increase in the events “Bird collision” during take-off or landing – 2016 – 75 events, while 66 in 2015.
  • There is significant increase of the number of the events, type „Deviation of aircraft from ATM clearances and instructions” and “Unplanned or wrongly planned flights “;
  • There was a reduction in cases of exceeding of sectoral capacities at Sofia ATCC;

Registered events in the technical activity at providing of ATM:

  • Reported 1051 events against 1062 during 2015;
  • No registered aviation incidents with severity class АА, А and В;
  • 15 incidents with severity class C with operational systems contribution, leading to functional failures and respectively with impact on the ATS Units;
  • 999 events without impact on the ATS Units with severity class E without safety implications and D – unspecified events.

Number of aviation incidents:

For the period 1997 - 2016, based on the graph data, there is a proven trend of improving safety – it is registered more than ten times improvement of safety on the grounds of five years averaging – from 1.23 (1997) to 0.10 (2016) AI for 100 000 served aircraft.