List of major surface ships of the Ottoman steam navy

This is a list of major ships of the Ottoman Steam Navy:

Hawthorn Leslie type
Four 1100 ton class destroyer were ordered from Armstrong and subcontracted by Armstrong to Hawthorn Leslie. Material prepared for them was used for M-class destroyer HMS Napier (1916) (ordered in 1914 launched in 1916 and sold in 1921).

Impavido class
Four 700 ton class destroyers were ordered from Orlando, shortly before the war. But works were never begun.

Unknown
Six fast destroyers were authorized in March 1917. But works were never begun.

Laubeuf type
Two submarines were ordered from in April 1914 Schneider-Laubeuf design to be delivered by December 1915.

E class
Two submarines were ordered on 29 April 1914 from Vickers and subcontracted by Vickers to Beardmore & Co. Materials prepared for them were used in the British submarines HMS E25 and HMS E26.