Heinrich Lehnert was a German fishing trawler that was built in 1918 as SMS Viceadmiral E. Schmidt for the Kaiserliche Marine.

The engine was built by G. Seebeck AG, Wesermünde, Germany.

[1] Viceadmiral E. Schmidt was built as yard number 109 by Schiffsbau & Maschinenfabrik Hansa AG, Tönning for the Kaiserliche Marine.

She saw no active service and was sold on 24 March 1919 to Grundmann & Gröschel and was renamed Heinrich Lehnert.

The fishing boat registration PG 285 was allocated,[3] as were the Code Letters KRFP.