Purpose of the flight and payload description
There is no data available on the purpose of the flight or the experiments performed. Below there is a link to the only known reference.
Details of the balloon flight
Balloon launched on: 6/26/1991
Launch site: Aérodrome de Gap-Tallard, Haute Alpes, France
Balloon launched by: Centre National d'Etudes Spatiales (CNES)
Balloon manufacturer/size/composition: Zero Pressure Balloon
End of flight (L for landing time, W for last contact, otherwise termination time): 6/26/1991