USS Dorado (SS-248)
Encyclopedia : U : US : USS : USS Dorado (SS-248)
.jpg "The USS Dorado's (SS-248) construction, in 1943.")
| |
| Career |
|
|---|---|
| Laid down: | 27 August 1942 |
| Launched: | 23 May 1943 |
| Commissioned: | 28 August 1943 |
| Fate: | lost, possibly to friendly fire |
| General Characteristics | |
| Displacement: | 1475 tons surfaced, 2370 tons submerged |
| Length: | 311 ft 9 in (95 m) |
| Beam: | 27 ft 3 in (8.3 m) |
| Draft: | 15 ft 3 in (4.6 m) |
| Speed: | 20 knots (37 km/h) surfaced 8.75 knots (16 km/h) submerged |
| Depth: | 300 ft (91 m) |
| Complement: | six officers and 54 men |
| Armament: | 1 x 3 in (76 mm) 50 caliber gun 6 x 21 in (533 mm) torpedo tubes forward, four aft |
Dorado's sea trials proved the readiness of the crew, and she sailed from New London, Connecticut, on 6 October 1943 for the Panama Canal Zone. She did not arrive.
The standard practice of imposing bombing restrictions within an area 50 nautical miles (92.6 km) ahead, 100 miles (185.2 km) astern, and 15 miles (27.8 km) on each side of the scheduled position of an unescorted submarine making passage in friendly waters had been carried out and all concerned had been notified. However, the crew of a PBM Mariner of Patrol Squadron 210 out of Guantanamo Bay, Cuba, assigned to provide air coverage on the evening of 12 October had received an incorrect description of the restriction area, 11 miles out of place.
At 20:49, local time, under a moon-lit but stormy sky, that plane attacked an unidentified submarine that it believed was outside the restriction area with three Mark-47 depth charges and a 100-pound (45 kg) Mark-4 Mod-4 demolition bomb. About two hours later, the plane sighted a second submarine with which it attempted to exchange recognition signals. This second submarine fired upon the plane.
A convoy scheduled to pass through the restriction area surrounding Dorado on the evening of 12 October reported no contact.
Air searches were begun immediately after 14 October, her scheduled date of arrival. Widely scattered oil slicks with occasional debris were found. Subsequently the Board of Investigation held in Guantanamo Bay, Cuba, and the more formal Court of Inquiry held at the Washington Navy Yard, DC, found that the "widely scattered oil slicks" were actually oleous in nature and not bunker oil or fuel - most probably rotting vegetation like seaweed. All of the "occasional debris" was determined not to have come from Dorado.
At both the Board of Investigation and the Court of Inquiry the aircrew testified that they were certain that both submarines they had attacked were U-boats. Despite the circumstantial evidence, there are reasons to doubt that Dorado was sunk by the Mariner[link]. The crew knew that Dorado was operating in the area, and so carefully observed their two targets before attacking. Prior to first attack the four crewmen of the aircraft observed the surfaced submarine for 12 minutes, noting:
- it was 48 miles from where they had been (inaccurately) told to expect Dorado to be and 34 miles from where Dorado really was supposed to be
- it was heading almost 90 degrees off from Dorado’s base course
- it had no guns on the fore deck where Dorado carried a five-inch gun
- it had an entirely grooved deck where Dorado’s deck was only grooved near the conning tower
- it had a "knob-like" object on the front of the conning tower, almost certainly the "Biscay Cross" radar detector installed on Type IX U-boats
The second submarine, attacked by the Mariner two hours later, was certainly U-214; her log book, captured after World War II, describes firing at the aircraft.
The [Syneca Research Group] describes an unusual possible fate for Dorado: they assert the boat's sea trials were marred by a fire, a submerged grounding, and difficulties in diving the boat and keeping her submerged. They also believe they have evidence that aircraft pilots in the early 1970s were familiar with the remains of a submarine conning tower that stuck up out of the sandy bottom just off the Mexican coast -- a handy reference point, especially easy to spot when the rising or setting sun threw the sail's silhouette across the white sand. However, since the 1970s, drifting sand has covered the site. Dorado&8217;s buoyancy problems are cited to support the possibility that the bombing killed her crew, but left the boat in a buoyant condition so that she did not sink to the ocean floor, but rather drifted some 900 miles in the currents of the Caribbean Sea until she grounded in the shallow water near the coast.
A memorial to Dorado has been constructed in the Veterans Memorial Park in Wichita, Kansas on the Arkansas River.
See USS Dorado for other ships of the same name and List of U.S. Navy losses in World War II for other lost ships.
References
This article includes text from the public domain Dictionary of American Naval Fighting Ships''.
The Syneca Research Group's discussion of Dorado is published at http://www.syneca.com/live/papers/dorado.html
External Links
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