Purpose of the flight and payload description


Details of the balloon flight

Balloon launched on: 6/2/1959 at 6:07 MST
Launch site: Portsmouth Mine, Crosby, Minnesota, US  
Balloon launched by: Winzen Research Inc.
Balloon manufacturer/size/composition: Zero Pressure Balloon Winzen
Balloon serial number: 172.6-200-V-65
Flight identification number: WRI 815
End of flight (L for landing time, W for last contact, otherwise termination time): 6/2/1959 at 18:35 MST (L)
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 12 h 30 m
Payload weight: 1057 lbs
Overall weight: 5496 lbs

External references

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