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  1. Environment
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  • Latvia
  • Overview
    • Contextual information
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  • Safety
    • PRB monitoring
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  • Environment
    • PRB monitoring
    • En route performance
      • Horizontal flight efficiency
    • Terminal performance
      • AXOT & ASMA
      • CDO
    • CIV-MIL

  • Capacity
    • PRB monitoring
    • En route performance
      • En route ATFM delay
      • Other indicators
    • Terminal performance
      • Arrival ATFM delay
      • Other performance indicators

  • Cost-efficiency
    • PRB monitoring
    • En route CZ
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      • Regulatory Result

Environment - Latvia

Download Report

PRB monitoring

▪ Latvia achieved a KEA performance of 6.26% compared to its target of 1.25% and did not contribute positively to the Union-wide target. KEA performance further worsened by 4.64 p.p. in comparison to 2021.

▪ The KEA deterioration was due to significant route extensions as a result of Russia’s war of aggression against Ukraine.

▪ Both KEP and SCR followed the same trend and worsened in comparison with 2021’s performance.

▪ The share of CDO flights increased by 15.05% compared to 2021.

▪ During 2022, additional time in terminal airspace decreased from 0.52 to 0.33 min/flight, while additional taxi out time increased from 2.74 to 2.82 min/flight.

En route performance

Horizontal flight efficiency of the actual trajectory (KEA) (KPI#1), of the last filed flight plan (KEP) (PI#1) & shortest constrained route (SCR) (PI#2)

Terminal performance

Additional taxi-out time (AXOT) (PI#3) & Arrival Sequencing and Metering Area (ASMA) time (PI#4)

Focus on ASMA & AXOT

AXOT

This indicator is not monitored for airports below 80 000 IFR movements average during the 2016-2018 period, so it is not monitored for any airport in this state.

ASMA

This indicator is not monitored for airports below 80 000 IFR movements average during the 2016-2018 period, so it is not monitored for any airport in this state.

Share of arrivals applying continuous descent operations (CDOs) (PI#5)

Focus CDOs

The shares of CDO flights have increased at all airports in Latvia. Ventstpils had only 1 detected flight in 2022. This flight was considered a CDO flight so Ventstpils has a share of 100% CDO. Riga and Ventstpils have values well above the overall RP3 value in 2022 (29.0%).

According to the Latvian monitoring report: Continuous Decent operations have been implemented at Riga airport in 2021. Monitoring is performed by Riga Airport and data is shared in Environment work group of Riga Airport, in which the CAA also participates.

EVLA airport is served by AFIS only and during certain working hours while EVVA airport has no ATS, they do not have CDOs.

Airport level
Airport
Additional taxi-out time (PI#3)
Additional ASMA time (PI#4)
Share of arrivals applying CDO (PI#5)
2020 2021 2022 2023 2024 2020 2021 2022 2023 2024 2020 2021 2022 2023 2024
Riga 1.85 3.57 2.82 NA NA 0.73 0.52 0.33 NA NA 56% 53% 61% NA NA
Liepaya NA NA NA NA NA NA NA NA NA NA 66% 20% 22% NA NA
Ventstpils NA NA NA NA NA NA NA NA NA NA 50% 88% 100% NA NA

Civil-Military dimension

Focus on Civil-Military dimension

Update on Military dimension of the plan

No impact of military on capacity has been identified. Current decrease in air traffic due to sanctions on Russia and Belorussia and flexible arrangements between the LGS and the National Armed Forces allow for environmentally friendly flight trajectories and it reduces the impact to capacity.

Additional information related to Russia’s war of aggression against Ukraine

In general, military training activities have increased over the past years. At the same time, civmil airspace design and airspace use flexibility provisions between the NAF and LGS ensure that there’s no impact on scheduled air traffic. New large military FUA areas over Eastern part of the Riga FIR, next to Russian Federation and Belorussia, have been established.

Military - related measures implemented or planned to improve capacity

Each new long term or short term area for military purposes undergoes airspace design analysis with respect to impact on major air traffic flows as to not to disrupt them or to change their vertical dimensions dynamically, if necessary. Close cooperation between Latvian ANSP and the Latvian military.

Initiatives implemented or planned to improve PI#6

Existing LGS and NAF airspace booking and airspace use procedures are continuously being updated. This data includes all FUA areas, including those being active for 24/7 for longer periods of time, but not on continuous basis. Due to involvement of military units from different countries, individual airspace planning and airspace use capabilities are not the same each year and do not ensure the same consistent performance in airspace use, even if planned through the Latvian NAF. The results of the assessment are also shared with the Military Aviation Administration for further review.

Initiatives implemented or planned to improve PI#7

FRA has been implemented in 2015.

Initiatives implemented or planned to improve PI#8

FRA in Riga FIR was implemented in 2015.

 
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