AH-WR-0006

Diamond Knot

Cargo Ship · United States · Lost 1947 · The Salish Sea

A wartime-built freighter laden with canned salmon collided in Strait of Juan de Fuca fog in 1947, prompting one of the region's most famous salvage efforts.

Become Captain of RecordSee Shipwreck on Map
Artistic impression of the Diamond Knot
Artistic recreation based on recorded historical documents. See the documented evidence.
Engraved line drawing of the Diamond Knot
Historically Reconstructed. Drawn from partial documentation of this vessel together with her known class and configuration. See the documented evidence.

The Vessel and Her Loss

She was a standard wartime cargo type, three years old, and carrying canned salmon south when fog in the Strait of Juan de Fuca put her into another ship. What followed made her locally famous: the cargo was worth recovering, and the operation to bring the tinned salmon up out of the hull was written about for decades afterwards. NOAA revisited the wreck in 2013 to assess whether oil remained aboard.

Timeline

  1. 23 December 1944

    Commissioned for the War Shipping Administration

  2. 1947

    Transferred to Alaska Steamship Company

  3. 12 August 1947

    Collision in fog and sinking near Port Angeles

  4. 1947

    Salvage of the canned salmon cargo

Vessel

Built
1944
Builder
Consolidated Steel Corporation
Yard
Not established
Material
Steel
Length
326 ft
Beam
Not established
Tonnage
Not established
Propulsion
Steam, single screw
Owners
War Shipping Administration; operated by United States Lines (1944–47), then Alaska Steamship Company (1947)

Loss

Date
August 12, 1947
Cause
Collision
Location
Strait of Juan de Fuca, near Port Angeles, Washington
Water
Strait of Juan de Fuca
Voyage
Seattle, Washington
Cargo
Canned salmon
Aboard
Not established
Lives lost
Casualty figures are not established in the sources reviewed and must be verified before any statement is published.
Master
Not established

The Wreck Today

Depth
Not established
Condition
Not established
Orientation
Not established
Discovered
Not established
Protection
Subject of a 2013 NOAA screening-level risk assessment for potential oil pollution

Position

Coordinates
48.172° N 123.717° W
Accuracy
Reported, unconfirmed
Nearest
Port Angeles, Washington

A single coordinate is reported in secondary sources and has not been corroborated against a federal survey.

From the Logbook

A salvage more famous than the sinking

The operation to recover her canned salmon cargo is better remembered regionally than the collision itself.

Evidence

Overall confidence: Partially documented (65/100)

Research in progress. Casualties, depth and the wreck's present condition are not established.

Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 1Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 2Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 3Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 4Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 5Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 6Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 7Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 8Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 9Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 10Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 11Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 12Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 13Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 14Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 15Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 16Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 17Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 18Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 19Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 20Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 21Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 22Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 23Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 24Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 25Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 26Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 27Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 28Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 29Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 30Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 31Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 32Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 33Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 34Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 35Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 36Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 37Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 38Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 39Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 40Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 41Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 42Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 43Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 44Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 45Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 46Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 47Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 48Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 49Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 50Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 51Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 52Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 53Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 54Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 55Atlas & Helm Captain displaying a framed shipwreck certificate, portrait 56