ML-18 (motor launch boat)

ML-18 was a British motor launch boat that disappeared in the North Sea while on passage from Norway.

Construction
ML-18 was constructed in 1915 by the Electric Launch Company. She was completed in 1915 and served from 1915 until her loss in 1919.

The ship was 34.1 m long, with a beam of 5.6 m and a depth of 1.2 m. The ship was assessed at 37 disp with a diesel engine that could reach a speed of 19 knots.

Disappearance
On 29 September 1919, ML-18 along with ML-62 and ML-191 were on passage from Norway when they disappeared in the North Sea. The crew and ships were never found; the number of casualties is unknown.