Not Under Command Light, Nippon Sento Co. Ltd.

According to the International Regulations for Preventing Collisions at Sea, "a vessel not under command shall exhibit two all-round red lights in a vertical line where they can best be seen".

This large Not Under Command light was manufactured by Nippon Sento Co. Ltd. in September 1981. It has a thick Fresnel lens and a red filter inside.

The circular burner has a large reservior.

Dimensions are 27.0 (Dia.) x 54.2 (H) - not including bail

Currently Nippon Sento Co. Ltd. has its headquarters in Yoshikawa, Saitama Prepecfture, Japan.