Analysis and safety levels

Main trends of Safety in BULATSA for 2020

The registered occurrences during 2020, related to the safety in operational activities when providing Air Traffic Services (ATS), are as follows: 

• No aviation incidents have been registered with severity class АА/А/B (accidents/serious incidents/major incidents with contribution of ATS units).
• 1 incident have been registered with severity class С (significant incident with contribution of ATS units).
• 13 incidents have been registered with severity class E, with contribution of ATS units, without safety implications.

• 1 incident have been registered with severity class D (Not determined risk incident with contribution of ATS units).

• 564 incidents without contribution of ATS units, which are occurrences with severity class Е without safety implications and severity class D – not determined risk occurrences.

Number of aviation incidents – trends:

For the period from 1997 to 2020, based on smoothed graph data for five and ten years respectively, there is a steady trend of retention of the level of safety for the last years.

Graph: ACHIEVED SAFETY LEVELS OF THE PROVIDED SERVICES AND TRENDS

In addition to the above, as a result of the annual SMS maturity survey – „EUROCONTROL CANSO SMS Standard of Excellence Measurement in 2020“, has been reported a result with level D (Assured: Evidence is available to provide confidence that SMS processes and/or requirements are being applied appropriately and are delivering positive, measured results) for all 17 measured areas except for „Safety Surveys and SMS Audits” – level C (Managed: SMS processes and/or requirements comply with ICAO Annex 19 and are formally documented and consistently applied).