- January 2019: selection of experiments First Call for Proposal
- August/September 2019: flights from the first Call for Proposal
- September 2019: HEMERA Summer school. More information at this page
- September 2019: second Call for Proposal
- March/April 2020: selection of experiments Second Call for Proposal
- Summer 2021: flights for the first call
- Summer 2022: flights for the second call