She had a three-cylinder triple expansion steam engine, made by Alblasserdamsche Machienfabriek, Alblasserdam, South Holland, Netherlands.

[2] Bonn & Mees of Rotterdam, South Holland built Alcyon as yard number 163 by in 1904 for French owners.

[3] On 26 June 1940, Alcyon was seized by the Germans at La Rochelle, Charente-Inférieure.

She was allocated to the Hafenschutz-Flotille Lorient on 2 November, serving as Boot 10 Alcyon.

On 2 August 1943, she was sunk in the Gironde in an attack by British aircraft with the loss of five of her crew.