Oberhrendingen (Switzerland) — October 11, 1967 (0010)
Othmar Willi, 37, observed three cylinders, 10 m high, 5 m in diameter, with two rows of square windows and a small cone on top, hovering 50 m away and 5 m above a maize field, making a noise resembling a swarm of bees. A small object was dropped briefly. (FSR 68, 4}
Source: Passport to Magonia
Case: 887