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  1. Capacity
  • Year report
    • 2025 ✓

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  • Estonia
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  • Capacity
    • PRB monitoring
    • En route performance
      • En route ATFM delay
      • En route performance indicators at ACC level
      • Other information

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    • PRB monitoring
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Capacity - Estonia

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PRB monitoring

  • Estonia registered 0.01 minutes of average en route ATFM delay per flight during 2025, which remained 0.01 after the post-ops adjustment process, thus achieving the local target value of 0.06. Delays in Estonia remained stable year-on-year.

  • The number of ATCOs in OPS was 25 being above the 2025 plan in Tallinn ACC by 1 FTE.

  • The yearly total of sector opening hours in Tallinn ACC was 10,494, showing a 0.2% increase compared to 2024.

  • Tallinn ACC registered 15.90 IFR movements per sector opening hour in 2025, being 4% above the 2024 levels.

En route performance

En route ATFM delay (KPI#1)

NoteFocus on en route ATFM delay

En route ATFM delay

  • Estonia had 176k flights in 2025, up from 170k flights in 2024.

  • EANS applied en route ATFM regulations resulting in <2k minutes of delay

Regarding the reasons and circumstances resulting in the achieved level of actual performance of the en route ATFM delay per flight KPI, the NSA reports: “The actual performance is better than the target value of 0,06. This reflects the continued low level of traffic in the Estonian airspace influenced by the geopolitical situation in the region. The low level of delay shows that capacity is not a limiting factor and that the system is able to absorb traffic demand, including a moderate increase in flights driven by Asian cargo operations.”

Regarding the description of the adjustments to the capacity plan included in adopted performance plan, the NSA reports: “When setting the performance targets for RP4 Estonia adopted a cautious and forward looking approach.

This approach reflects the significant uncertainty related to traffic development in the region due to the impact of geopolitical and trade developments. Estonia has experienced a substantial reduction in traffic in recent years, but future developments remain uncertain, including the possibility of traffic recovery or sudden changes in traffic flows.

Therefore, maintaining a more conservative target ensures that sufficient capacity is planned and preserved to accommodate potential increases in demand.

NSA will continue to monitor traffic evolution and capacity utilisation and if needed will assess whether adjustments to the capacity plan are required in the future.”

Regarding follow up of the remedial measures indicated in the previous monitoring report(s), the NSA reports: “In 2025 the number of ATCO fatigue related reports decreased, indicating an improvement compared to the previous year. This suggests that the increased focus on fatigue management, including targeted monitoring and Fatigue Safety Action Group recommendations has contributed to mitigating fatigue related risks.”

En route capacity incentive scheme

The en route capacity incentive scheme described in the Estonia performance plan does not foresee any possibility of a bonus. Therefore, even though EANS surpassed the required level of en route capacity performance, no financial bonus is applicable.

En route performance indicators at ACC level (PI#4-5)

NoteFocus en route performance indicators at ACC level

Percentage of total en route ATFM delay that occurred on days when the daily throughput was above the expected daily traffic

As background information on actual performance, the NSA reports: “Given the very low level of en-route ATFM delay per flight (0,01), this indicator reflects the distribution of a marginal amount of delay rather than a structural capacity issue. Therefore, no specific measures are considered necessary at this stage. NSA will continue monitoring the evolution of this indicator.”

Annual weighted average of the daily peak throughput

As background information on actual performance, the NSA reports: “Given the very low level of ATFM delay in Estonia, the current throughput can be considered sufficient to accommodate traffic demand. As no historical data is available, no assessment of trends can be made at this stage. NSA will continue monitoring this indicator in future reporting cycles to assess its development over time and its usefulness for capacity analysis.”

Other en route information

NoteFocus on other en route information

ATCOs in operations

As additional comments to ATCOs in the scope of the performance scheme, the NSA reports: “In 2025, the ANSP employed a total of 39 ATCO FTEs in operations (OPS) allocated to the en route cost base. This consists of 25 FTEs in ACC, 14 FTEs in APP, and 0 FTEs in TWR. Additionally, 14 FTEs were allocated to other duties.”

“ACC ATCO FTEs are based on the actual working hours report, showing 25 FTEs operational at the ACC level in 2025. Since no new ACC ATCOs were recruited, this means more working hours were dedicated to ACC operations, resulting in a corresponding reduction in other OPS and non-OPS (ADMIN) sectors.”

Regarding the training process, including details on the effective failure rate and the process used to allocate newly qualified ATCOs between ACC, APP and TWR positions, the NSA reports: “The allocation of air traffic controllers is based on traffic volume forecasts.

In 2025, one trainee who started training in 2024 did not successfully complete the course. The low rate of possible failures is because pre-COVID ATCOs are prioritised restoring competences.

Unit training for EETN ADC is 90 hours, but not less than 1 month and EETN APS and ACS 180 hours, but not less than 3 months. Unit training is carried out by EANS. Unit training consists of transitional, simulator and on-the-job training phases.

ATCO Basic training is carried out annually by the Estonian Aviation Academy, ensuring availability of candidates for future operational needs.”

 
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