Overview
HMS Sphinx is documented as J69, a member of Halcyon class, and in Royal Navy service.
The documented national and naval associations are United Kingdom and Royal Navy.
Identity and construction
The documented identity includes J69.
The available construction history records the ship as built by William Hamilton & Company, Port Glasgow, laid down 1938-01, launched 1939-02-07, and completed 1939-07.
Class and service context
HMS Sphinx is linked to Halcyon class. The class page provides shared design history; this page preserves facts that apply to this ship.
The class is associated with the recorded roles of Minesweeping, Hydrographic survey, Anti submarine warfare, Convoy escort, and Patrol. Those roles provide context but do not establish that every ship performed every mission.
Later service and disposition
Sunk by German air attack off the English coast.
The associated date is 1940-02-03.
Evidence and limits
Available sources confirm the identity, class relationship, and service details shown above for HMS Sphinx.
Operational episodes, refits, and crew history are included only when they are supported by evidence tied to this ship.
Class relationship
This ship is recorded as a member of Halcyon class. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.
Sources and further reading
- HALCYON minesweepers (1934-1939) ↗Navypedia · accessed 2026-09-19
- Halcyon class Minesweepers - Allied Warships of WWII ↗uboat.net · accessed 2026-09-19
- Conway's All the World's Fighting Ships, 1922–1946Conway Maritime Press