Title of statistical activity: Air transport

Code of statistical activity: 22032

  1. Contact
  2. Metadata update
  3. Statistical presentation
  4. Unit of measure
  5. Reference period
  6. Institutional mandate
  7. Confidentiality
  8. Release policy
  9. Frequency of dissemination
  10. Accessibility and clarity
  11. Quality management
  12. Relevance
  13. Accuracy and reliability
  14. Timeliness and punctuality
  15. Coherence and comparability
  16. Cost and burden
  17. Data revision
  18. Statistical processing
  19. Comments

1. Contact Individual or organisational contact points for the data or metadata, including information on how to reach the contact points.

1.1. Contact organisation The name of the organisation of the contact points for the data or metadata.

Statistics Estonia

1.2. Contact organisation unit An addressable subdivision of an organisation.

Enterprise and Agricultural Statistics Department

1.3. Contact name The name of the contact points for the data or metadata.

Piret Pukk

1.4. Contact person function The area of technical responsibility of the contact, such as "methodology", "database management" or "dissemination".

Leading Statistician-Methodologist

1.5. Contact mail address The postal address of the contact points for the data or metadata.

51 Tatari Str, 10134 Tallinn, Estonia

1.6. Contact email address E-mail address of the contact points for the data or metadata.

piret.pukk@stat.ee

1.7. Contact phone number The telephone number of the contact points for the data or metadata.

+372 625 9293

2. Metadata update The date on which the metadata element was inserted or modified in the database.

2.1. Metadata last certified Date of the latest certification provided by the domain manager to confirm that the metadata posted are still up-to-date, even if the content has not been amended.

08/05/2018

2.2. Metadata last update Date of last update of the content of the metadata.

08/05/2018

3. Statistical presentation

3.1. Data description Main characteristics of the data set described in an easily understandable manner, referring to the data and indicators disseminated.

Carriage of passengers and freight by Estonian air transport enterprises; flight traffic through Tallinn Airport by type of flight

3.2. Classification system Arrangement or division of objects into groups based on characteristics which the objects have in common.

Estonian Classification of Economic Activities (EMTAK 2008) based on NACE Rev. 2

3.3. Sector coverage Main economic or other sectors covered by the statistics.

Air transport enterprises, airports, NACE Rev 2 51 and 52231

3.4. Statistical concepts and definitions Statistical characteristics of statistical observations.

Commercial flight – air transport flight or series of such flights performed for remuneration by civil aircraft to or from Community airports. Flights may be either scheduled or non-scheduled.

Domestic air traffic – the departure and destination points of a flight are in Estonia.

Freight traffic turnover – measured in tonne-kilometres. One tonne-kilometre is the transport of one tonne of goods across a distance of one kilometre.

Goods – property carried on board an aircraft (excl. stocks, mail or baggage), incl. express and diplomatic parcels.

International air traffic – the departure and/or destination point of a flight is in a foreign country.

Mail – correspondence and other parcels carried on an aircraft, which have been dispatched by post offices and intended for delivery by them.

Non-scheduled – charter flight for a fee. A flight with a single air service license.

Number of passenger seats available – the total number of passenger seats available for sale on a flight between two airports (excluding seats not actually available for the carriage of passengers because of maximum gross weight limitation). Estimated data may be provided.

Passengers – passengers carried on commercial flights is obtained by counting each passenger on a particular flight (with one flight number) once and not repeatedly on each individual stage of that flight, except when a passenger flies on both the international and domestic stage on the same flight. In this case, the passenger is considered both a domestic and an international passenger.

Passenger traffic turnover – measured in passenger-kilometres. One passenger-kilometre is the transport of one person across a distance of one kilometre.

Regular flight – a scheduled flight with the valid air service license issued by the Estonian Civil Aviation Administration.

Volume of transport – to estimate the volume of transport, the following indicators are used: the total number of passengers carried and passenger traffic volume in passenger-kilometres. To measure the amount of goods, the following indicators are used: the amount of goods in tonnes and freight turnover in tonne-kilometres.

3.5. Statistical unit Entity for which information is sought and for which statistics are ultimately compiled.

Airport

Enterprise

3.6. Statistical population The total membership or population or "universe" of a defined class of people, objects or events.

Tallinn Airport; air transport enterprises

FRAME

List of active enterprises whose main activity is air transport. The list is generated from the Business Register for Statistical Purposes.

List of air operators compiled by the Estonian Civil Aviation Administration.

3.7. Reference area The country or geographic area to which the measured statistical phenomenon relates.

Estonia as a whole

3.8. Time coverage The length of time for which data are available.

Freight and passenger traffic through Tallinn airport 1993–2015

Passenger traffic through airports, freight traffic through airports 2001–2015

Carriage of passengers and freight by Estonian air transport enterprises 2001–…

Flight traffic through Tallinn airport by type of flight 2005–…

3.9. Base period The period of time used as the base of an index number, or to which a constant series refers.

Not applicable

4. Unit of measure The unit in which the data values are measured.

thousand passengers, thousand passenger-km, tonne, thousand tonnes, thousand tonne-km, number of flights, number of passenger seats

5. Reference period The period of time or point in time to which the measured observation is intended to refer.

Quarter

6. Institutional mandate

6.1. Legal acts and other agreements Legal acts or other formal or informal agreements that assign responsibility as well as the authority to an agency for the collection, processing, and dissemination of statistics.

DIRECTLY APPLICABLE LEGAL ACTS

Regulation (EC) No 437/2003 of the European Parliament and of the Council of 27 February 2003 on statistical returns in respect of the carriage of passengers, freight and mail by air

Commission Regulation (EC) No 158/2007 of 16 February 2007 amending Commission Regulation (EC) No 1358/2003 as regards the list of Community airports

UNECE, ITF and Eurostat Common Questionnaire for Transport Statistics Gentlemen's Agreement

Commission Regulation (EC) No 546/2005 of 8 April 2005 adapting Regulation (EC) No 437/2003 of the European Parliament and of the Council as regards the allocation of reporting-country codes and amending Commission Regulation (EC) No 1358/2003 as regards the updating of the list of Community airports

Commission Regulation (EC) No 1358/2003 of 31 July 2003 implementing Regulation (EC) No 437/2003 of the European Parliament and of the Council on statistical returns in respect of the carriage of passengers, freight and mail by air and amending Annexes I and II thereto

OTHER LEGAL ACTS

Not available

OTHER AGREEMENTS

Statistical Office of the European Union (Eurostat)

Organisation for Economic Co-operation and Development (OECD)

International Transport Forum (ITF)

United Nations (UN)

7. Confidentiality A property of data indicating the extent to which their unauthorised disclosure could be prejudicial or harmful to the interest of the source or other relevant parties.

7.1. Confidentiality - policy Legislative measures or other formal procedures which prevent unauthorised disclosure of data that identify a person or economic entity either directly or indirectly.

The dissemination of data collected for the purpose of producing official statistics is guided by the requirements provided for in § 34 and § 35 of the Official Statistics Act.

7.2. Confidentiality - data treatment Rules applied for treating the data set to ensure statistical confidentiality and prevent unauthorised disclosure.

The treatment of confidential data is regulated by the Procedure for Protection of Data Collected and Processed by Statistics Estonia: https://www.stat.ee/66485.

8. Release policy Rules for disseminating statistical data to interested parties.

8.1. Release calendar The schedule of statistical release dates.

Notifications about the dissemination of statistics are published in the release calendar, which is available on the website. Every year on 1 October, the release times of the statistical database, news releases, main indicators by IMF SDDS and publications for the following year are announced in the release calendar (in the case of publications – the release month).

8.2. Release calendar access Access to the release calendar information.

https://www.stat.ee/release-calendar

8.3. User access The policy for release of the data to users, the scope of dissemination (e.g. to the public, to selected users), how users are informed that the data are being released, and whether the policy determines the dissemination of statistical data to all users.

All users have been granted equal access to official statistics: dissemination dates of official statistics are announced in advance and no user category (incl. Eurostat, state authorities and mass media) is provided access to official statistics before other users. Official statistics are first published in the statistical database. If there is also a news release, it is published simultaneously with data in the statistical database. Official statistics are available on the website at 8:00 a.m. on the date announced in the release calendar.

9. Frequency of dissemination The time interval at which the statistics are disseminated over a given time period.

Quarterly

10. Accessibility and clarity

10.1. News release Regular or ad-hoc press releases linked to the data.

The news release “Transport” once a year. The news release can be viewed on the website at https://www.stat.ee/news-releases.

10.2. Publications Regular or ad-hoc publications in which the data are made available to the public.

Not published

10.3. Online database Information about on-line databases in which the disseminated data can be accessed.

Data are published under the subject area “Economy / Transport” in the statistical database at http://pub.stat.ee.

10.4. Microdata access Information on whether micro-data are also disseminated.

The dissemination of data collected for the purpose of producing official statistics is guided by the requirements provided for in § 34, § 35, § 36, § 37, § 38 of the Official Statistics Act. Access to microdata and anonymisation of microdata are regulated by Statistics Estonia’s procedure for dissemination of confidential data for scientific purposes: https://www.stat.ee/dokumendid/51669.

10.5. Other References to the most important other data dissemination done.

Data serve as input for statistical activities 20407 “Consumer price index”, 21401 “National accounts (annual)”, 21405 “National accounts (quarterly)”, 21408 “Supply and use tables” and 22029 “Transport of passengers and goods by transport enterprises”.

10.6. Documentation on methodology Descriptive text and references to methodological documents available.

Glossary for Transport Statistics (prepared by the Intersecretariat Working Group on Transport Statistics – Eurostat, ITF and the United Nations Economic Commission for Europe)

http://ec.europa.eu/eurostat/en/web/products-manuals-and-guidelines/-/KS-RA-10-028

Reference Manual on Air Transport Statistics

http://ec.europa.eu/eurostat/documents/29567/3217334/Aviation-Manual-V11.pdf/19f6a843-d7c1-4cae-b93e-fcd5e3f59187

10.7. Quality documentation Documentation on procedures applied for quality management and quality assessment.

Published in the Statistical Database, table TC40: Population, sample and respondents of transport enterprises.

11. Quality management Systems and frameworks in place within an organisation to manage the quality of statistical products and processes.

11.1. Quality assurance All systematic activities implemented that can be demonstrated to provide confidence that the processes will fulfil the requirements for the statistical output.

To assure the quality of processes and products, Statistics Estonia applies the EFQM Excellence Model, the European Statistics Code of Practice and the Quality Assurance Framework of the European Statistical System (ESS QAF). Statistics Estonia is also guided by the requirements in § 7. “Principles and quality criteria of producing official statistics” of the Official Statistics Act.

11.2. Quality assessment Overall assessment of data quality, based on standard quality criteria.

Statistics Estonia performs all statistical activities according to an international model (Generic Statistical Business Process Model – GSBPM). According to the GSBPM, the final phase of statistical activities is overall evaluation using information gathered in each phase or sub-process; this information can take many forms, including feedback from users, process metadata, system metrics and suggestions from employees. This information is used to prepare the evaluation report which outlines all the quality problems related to the specific statistical activity and serves as input for improvement actions.

12. Relevance The degree to which statistical information meet current and potential needs of the users.

12.1. User needs Description of users and their respective needs with respect to the statistical data.

Ministry of Economic Affairs and Communications

Estonian Civil Aviation Administration

Users’ suggestions and information about taking these into account are available on the website of Statistics Estonia at https://www.stat.ee/statistikatood.

12.2. User satisfaction Measures to determine user satisfaction.

Since 1996, Statistics Estonia has conducted reputation and user satisfaction surveys.

All results are available on the website at https://www.stat.ee/user-surveys.

12.3. Completeness The extent to which all statistics that are needed are available.

In compliance with the rules (regulations)

13. Accuracy and reliability Accuracy: closeness of computations or estimates to the exact or true values that the statistics were intended to measure.
Reliability: closeness of the initial estimated value to the subsequent estimated value.

13.1. Overall accuracy Assessment of accuracy, linked to a certain data set or domain, which is summarising the various components.

The type of survey and the data collection methods ensure sufficient coverage and timeliness.

13.2. Sampling error That part of the difference between a population value and an estimate thereof, derived from a random sample, which is due to the fact that only a subset of the population is enumerated.

Not applicable

13.3. Non-sampling error Error in survey estimates which cannot be attributed to sampling fluctuations.

Not measured

14. Timeliness and punctuality

14.1. Timeliness Length of time between data availability and the event or phenomenon they describe.

The data are published 65 days after the end of the reference quarter (T + 65) and 80 days after the end of the reference quarter (T + 80).

14.2. Punctuality Time lag between the actual delivery of the data and the target date when it should have been delivered.

The data have been published at the time announced in the release calendar.

15. Coherence and comparability

15.1. Comparability - geographical The extent to which statistics are comparable between geographical areas.

The data are comparable with the data of other European Union countries.

15.2. Comparability - over time The extent to which statistics are comparable or reconcilable over time.

The data are comparable over time.

15.3. Coherence - cross domain The extent to which statistics are reconcilable with those obtained through other data sources or statistical domains.

Comparable with the same indicators of statistical activity 22029 “Transport of passengers and goods by transport enterprises”.

Comparable with the same indicators of other modes of transport.

15.4. Coherence - internal The extent to which statistics are consistent within a given data set.

The outputs of the statistical activity are coherent. Higher-level aggregations are derived from detailed data according to pre-defined procedures.

16. Cost and burden Cost associated with the collection and production of a statistical product and burden on respondents.

Cost of statistical activity 5.6 thousand euros (data for 2018)

Total time of filling in reports of statistical activity, working days: 1.2

Average time of filling in the reports, hours per report:

Õhutransport 0.3

Lennujaam 0.2

(data for 2016)

17. Data revision Any change in a value of a statistic released to the public.

17.1. Data revision - policy Policy aimed at ensuring the transparency of disseminated data, whereby preliminary data are compiled that are later revised.

The data revision policy and notification of corrections are described in the dissemination policy of Statistics Estonia at https://www.stat.ee/dissemination-policy.

17.2. Data revision - practice Information on the data revision practice.

The published data may be revised if the methodology is modified, errors are discovered, new or better data become available within a year from the end of the reference period.

18. Statistical processing

18.1. Source data Characteristics and components of the raw statistical data used for compiling statistical aggregates.

SURVEY DATA

The population of the survey includes companies whose main activity is the air transport of passengers or goods and who have been issued an activity licence and airports located on the territory of Estonia. The population includes 18 air transport enterprises and Tallinn Airport. Census is used.

ADMINISTRATIVE DATA

Not used

DATA FROM OTHER STATISTICAL ACTIVITIES

Not used

18.2. Frequency of data collection Frequency with which the source data are collected.

Quarterly

18.3. Data collection Systematic process of gathering data for official statistics.

Data are collected and the submission of questionnaires is monitored through eSTAT (the web channel for electronic data submission). The questionnaires have been designed for independent completion in eSTAT and include instructions and controls. The questionnaires and information about data submission are available on Statistics Estonia’s website at https://www.stat.ee/andmete-esitamine (in Estonian).

Data are collected with the official statistics quarterly questionnaires “Lennuliiklus” and “Õhutransport”.

18.4. Data validation Process of monitoring the results of data compilation and ensuring the quality of statistical results.

Arithmetic and qualitative controls are used in the validation process, including comparison with the data of previous periods and other surveys.

18.5. Data compilation Operations performed on data to derive new information according to a given set of rules.

In the case of missing or unreliable data, estimate imputation based on established regulations will be used.

Variables and statistical units which were not collected but which are necessary for producing the output are calculated. New variables are calculated by applying arithmetic conversion to already existing variables. This may be done repeatedly, the derived variable may, in turn, be based on previously derived new variables.

Microdata are aggregated to the level necessary for analysis. This includes aggregating the data according to the classification, and calculating various statistical measures.

The collected data are converted into statistical output. This includes calculating additional indicators.

18.6. Adjustment The set of procedures employed to modify statistical data to enable it to conform to national or international standards or to address data quality differences when compiling specific data sets.

Not applied

19. Comments Supplementary descriptive text which can be attached to data or metadata.

Since 2017, the national component of the statistical activity is reduced (data collection with the questionnaire “Lennujaam” is discontinued) and the data of Estonian airports are not published in tables “Passenger traffic through airports” and “Freight traffic through airports”. Also the data table “Freight and passenger traffic through Tallinn airport” is not published.