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  1. Environment
  • Year report
    • 2023
    • 2022
    • 2021 ✓
    • 2020

  • Latvia
  • Overview
    • Contextual information
    • Traffic
    • Safety
    • Environment
    • Capacity
    • Cost-efficiency

  • Safety
    • PRB monitoring
    • EoSM
    • Occurrences

  • 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
      • Unit cost
      • AUCU
      • Regulatory Result
    • Terminal CZ
      • Unit cost
      • AUCU
      • Regulatory Result

Environment - Latvia

Download Report

PRB monitoring

▪ Latvia achieved a KEA performance of 1.62% compared to its target of 1.25% and did not contribute positively towards achieving the Union-wide target. KEA is at the worse levels in five years.

▪ The NSA states that air traffic flows and performance were impacted by inefficiencies linked to the sanctions against Belarus.

▪ Both KEP and SCR followed the same trend, and are at the worst levels in five years.

▪ The share of CDO flights has been continuously decreasing since 2017 and is currently at the lowest level in five years.

▪ Additional time in terminal airspace decreased by 29% in comparison to 2020, while additional taxi out time increased by 48%.

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 changed significantly for Liepaya (-45.5 percentage points) and Ventstpils (+37.5 percentage points) while it slightly decreased for Riga (-2.9 percentage points).
While the shares of CDO flights were well above the overall RP3 in 2020 for all airports, only Riga and Ventstpils have values well above the overall RP3 value in 2021 (30.5%). The value for Liepaya is well below the overall RP3 value in 2021.
According to the Latvian monitoring report: Although, LGS cannot directly impact environmental pollution, projects carried out by LGS in 2020 - 2021 included mechanisms to reduce noise, CO2 and NOx. For example: implementation of additional effectiveness and safety for aircraft services at the airport and during descent and approach (A-CDM), PBN procedures to increase predictability of flight arrival trajectories from flight planning perspective, as well as implementation of Free Route Airspace (projects FRA 1 and FRA2) to optimize airspace use and to facilitate reduction/straightning of enroute segments. In 2022 and forward other service improvements are planned.

Airport level
Airport Name
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 NA NA NA 0.73 0.52 NA NA NA 56% 53% NA NA NA
Liepaya NA NA NA NA NA NA NA NA NA NA 66% 20% NA NA NA
Ventstpils NA NA NA NA NA NA NA NA NA NA 50% 88% NA NA NA

Civil-Military dimension

Focus on Civil-Military dimension

Update on Military dimension of the plan

Design of all military use areas takes into consideration impact on other airspace users, and subsequently the impact on the environment and capacity. As a result, airspace booking (for FUA areas only) and airspace use procedures are developed appropriately to minimize the impact.

Military - related measures implemented or planned to improve capacity

Various considerable changes in MIL SUA areas were implemented and more are planned for 2022.

Initiatives implemented or planned to improve PI#6

In comparisson to 2020, in 2021 changes in certain areas designated for military use were implemented, which affected the efficiency of their use. Certain changes in military airspace use priorities also affected the military SUA area use efficiency positively.

The CAA is closely involved in providing the guidance to the military in different airspace management and oversight aspects. LoA between the ANSP and the military about booking and actual use of military areas and procedures is inder the CAA oversight in line with Reg.2017/373.

Initiatives implemented or planned to improve PI#7

FRA was implemented in Riga FIR in 2015.

Initiatives implemented or planned to improve PI#8

FRA was implemented in Riga FIR in 2015.

 
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