Editing First Persistent Venus Aerostat (section)

=== Habitation and Crew Endurance Studies ===
The FPVA served a secondary but equally significant function as a long-duration habitation trial. The [[Hygiea Medical Consortium]] embedded research protocols in every crew rotation from 2102 onward, using the station's crew as a longitudinal biological baseline population for atmospheric habitation stress. The combination of slightly elevated ambient CO₂ partial pressure within the gondola, the persistent low-frequency vibration of the envelope in Venusian wind shear, and the 360-hour day-night cycle produced physiological and psychological stress profiles unlike those documented at Mars surface stations or orbital habitats.

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The exposure incident of 2108 CE, in which a micro-perforation in envelope cell 31-C allowed trace sulfur dioxide infiltration into the crew module ventilation loop over approximately six hours, resulted in mild respiratory irritation for four of the six crew members then aboard. Commander Suárez-Ibáñez's after-action report concluded that the incident was attributable to a calibration fault in the chemical indicator thread reader, not a failure of Tanaka's laminate itself. The [[Novaya Zemlya Aerospace Collective]], which had filed a disputed priority claim in 2105 CE, cited the incident in a 2109 CE technical brief as evidence of fundamental design deficiency — a characterisation that the Venus Atmospheric Survey Consortium formally contested and that independent review panels subsequently did not sustain.
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