San Francisco (California) — March 31, 1966 (0600)
Two women observed a large object with a pulsating bluish light on top, an orange light below, windows, and antennae, resting in a construction area. Silhouettes could be seen mov- ing inside, one of them gesturing as the craft took off. (Gribblejune, 6)
Source: Passport to Magonia
Case: 744