Pressurized stratospheric balloons are mainly used for long duration missions, in the field of environmental studies or meteorology.
Low cost of access to the stratosphere
Flight persistence for long term missions
High level of reliability and tightness
Pressurized stratospheric balloons are hermetic. Their envelope benefits from a very high level of tightness and reliability.
Characteristics
Altitude
Up to 20 km
Flight duration
Several months
Payload
Up to 50 kg