Annual Civil Aviation Survey - Level I - 2018
Other versions of the questionnaire
- 2023 Annual Civil Aviation Survey - Level I Effective period: April 19, 2023 to September 25, 2023
- ARCHIVED - 2022 Annual Civil Aviation Survey - Level I Effective period: April 19, 2023 to September 25, 2023
- ARCHIVED - 2021 Annual Civil Aviation Survey - Level I Effective period: May 06, 2022 to September 23, 2022
- ARCHIVED - 2020 Annual Civil Aviation Survey - Level I Effective period: April 16, 2021 to September 22, 2021
- ARCHIVED - 2019 Annual Civil Aviation Survey - Level I Effective period: June 26, 2020 to November 26, 2020
- ARCHIVED - Annual Civil Aviation Survey - Level I - 2018 Effective period: September 26, 2019 to January 22, 2020
- ARCHIVED - Annual Civil Aviation Survey - Level I - 2017 Effective period: May 16, 2018 to October 15, 2018
- ARCHIVED - Annual Civil Aviation Survey - Level I - 2016 Effective period: November 08, 2017 to March 16, 2018
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