Built in 1929 for NY Financier Arthur Wheeler. Sold to actress Constance Bennett in 1931.
As a Research Vessel, she was owned by:
- Stanford Research Institute, Oakland, 1958-1969
- the Department of Defense, Atomic Support Agency, San Francisco, 1970-1973
- Department Of Oceanography, Naval Postgrad School, Monterrey, 1974-1984
- Intersea Research, Friday Harbo5, 1985-1994