About eight minutes in there is a brief scene of a Sikorsky S-42 overflying the unfinished San Francisco-Oakland Bay Bridge--two historic icons in one picture.
Although this was regarded as another entry in a "20th Century-Fox" "B" series, it was shot by the highly acclaimed Director of Photography Rudolph Maté, who was normally assigned to only top-rank productions.
The 13th of 47 Charlie Chan movies.
Final film of Arthur Edmund Carewe. NOTE: He would suffer a stroke and ultimately commit suicide in 1937.