Evidence
10 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-10).
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[1]research packet 1063-packet.md (3 sources cited) [museum_official]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-yms-394-yms394-pkt-1063-packet-md
-
[2]NavSource Online: Mine Warfare Vessel Photo Archive, YMS-394 page [other_primary]
- Locator
- YMS-394 hull page, chronology and specifications blocks
- Finding type
- vessel_history
- Finding
- NavSource's hull page documents this vessel: laid down 3 July 1942 by Harbor Boat Building Co., Terminal Island, CA; launched 24 June 1943; completed and commissioned USS YMS-394, 22 October 1943; decommissioned 31 July 1946; struck from the Naval Register 25 September 1946; transferred to the War Shipping Administration 28 November 1947 and sold; registered 1949 to Virginia Fisheries, Inc. of Berkeley, CA as the fishing boat Commander out of San Francisco; registered 1950 to Beaufort By-Products Co., Inc. of Beaufort, NC; acquired 1954 by Mayport Fisheries, Inc. of Morehead City, NC; scrapped 1968. Specifications: 270 t, 136 ft, beam 24'6", draft 8', 15 kts, complement 32; armament one 3"/50 dual-purpose mount, two 20mm mounts, two depth-charge projectors; two 880 bhp General Motors 8-268A diesel engines on two shafts. Commanding officers: LTJG Edward A. Grant, USNR (22 October 1943); LTJG R. G. Miller, USNR (1945). NavSource notes no DANFS history exists for this hull.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1942-1968
- Population
- Wartime crew of approximately 32 officers and enlisted
- Limitations
- Volunteer-compiled photo archive, not an official Navy publication - treated here as the lead secondary compilation, corroborated by uboat.net, Shipbuilding History, NARA Special List 44, and the Smithsonian object record. Contains no asbestos information; establishes identity, dates, and disposition only. 'Scrapped 1968' is single-sourced to this page.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-01
-
[3]uboat.net Allied Warships of WWII, USS YMS-394 (YMS-394) page [other_primary]
- Locator
- Ship data table, USS YMS-394 (ship/9813)
- Finding type
- vessel_history
- Finding
- uboat.net's warship entry independently corroborates the build and disposition record: built by Harbor Boat Building Co. (Terminal Island, California); ordered 13 April 1942; laid down 3 July 1942; launched 24 June 1943; commissioned 22 October 1943; stricken 25 September 1946; sold 28 November 1947.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1942-1947
- Limitations
- Secondary compilation maintained by uboat.net; the 'ordered 13 Apr 1942' contract date is the only field unique to this source and is not independently verified. No asbestos content.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-02
-
[4]Shipbuilding History (Tim Colton), Harbor Boat Building yard list, Terminal Island CA; and Yard Minesweepers table (us-navy-small/ym/) [other_primary]
- Locator
- Harbor yard list row 166; Yard Minesweepers table row YMS-394
- Finding type
- historical_record
- Finding
- The builder's yard list records YMS-394 as Harbor Boat Building yard hull 166, a 278-ton / 136-ft minesweeper for the U.S. Navy, delivered/commissioned 22 October 1943, disposition 'struck 1946.' The companion YM table lists YMS-394 identically and records the class as wooden-hulled, 136 ft, 13-kt design built across 35 boatyards 1942-1945.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1942-1946
- Limitations
- Independent yard-record compilation (researcher-maintained reference, not a government source); dates corroborate NavSource/uboat.net. 'Wooden-hulled' is a class-level descriptor on the YM table - it does not document materials of this specific hull and says nothing about asbestos.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-03
-
[5]National Archives, Special List 44: List of Logbooks of U.S. Navy Ships, Stations, and Miscellaneous Units (ship-number PDF), p. 120 [other_primary]
- Locator
- sl-44-ship-number.pdf, PDF page 120, YMS-394 row
- Finding type
- historical_record
- Finding
- NARA's Special List 44 inventories U.S. Navy deck logs for YMS-394 covering 22 October 1943 through 30 June 1945 - the vessel's commissioned WWII service from completion through the pre-surrender period. The row reads 'YMS-394 10/22/1943 6/30/1945.' These logs are the primary open source for this hull's wartime itinerary, maintenance periods, and operating locations.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1943-10-22 to 1945-06-30
- Population
- Crew of YMS-394, Oct 1943-Jun 1945
- Limitations
- The list documents that deck logs exist and their coverage window; the log contents themselves were not reviewed for this record, so nothing is asserted about where the ship operated between commissioning and mid-1945. Individual NARA catalog NAIDs for the digitized logs were not pulled. No asbestos information.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-04
-
[6]U.S. Navy and Marine Corps Awards Manual, NAVPERS 15,790 (Rev. 1953), Part IV - HyperWar transcription [other_primary]
- Locator
- Awards-IV-16.html, ship participation list, 'YMS 394: 20 Dec 45 - 28 Dec 45 P207-9'; operation table at Awards-IV-2-16.html
- Finding type
- historical_record
- Finding
- The official awards manual's ship-participation list credits YMS 394 with Asiatic-Pacific campaign participation code P207-9 - Minesweeping Operations Pacific, Kobe (Honshu Area) - for 20-28 December 1945. This documents post-surrender minesweeping duty in Japanese home waters during the ship's final months in commission.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1945-12-20 to 1945-12-28
- Population
- YMS-394 crew on post-surrender minesweeping, Dec 1945
- Limitations
- HyperWar (ibiblio) transcription of the official manual; the code list and ship list were verified against two transcription files (Awards-IV-16.html ship list; the P207 operation table). Establishes the operation and dates only - not the ship's detailed movements, and nothing about asbestos.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-05
-
[7]Smithsonian National Postal Museum, object record npm_2010.2004.84, 'Censored World War II wrapper remnant' [museum_official]
- Locator
- Object description and notes block, object number 2010.2004.84
- Finding type
- historical_record
- Finding
- The museum's catalog describes a censored wrapper postmarked 'AUG 24 1944 / NAVY' addressed 'From Lt. R.G. Miller / USS YMS 394 / FPO SAN FRANCISCO' to the Smithsonian's Curator of Reptiles - independently corroborating that YMS-394 was operating in the Pacific (FPO San Francisco routing) in August 1944 and that Lt. (jg) R. G. Miller, USNR, commanded the ship in 1945, matching the NavSource commanding-officer list.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 1944
- Population
- Lt.(jg) R. G. Miller (commanding officer)
- Limitations
- A postal-history object record, not a service record; the museum's ship notes (commissioned October 1943, decommissioned July 1946) themselves cite NavSource. No asbestos information.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-06
-
[8]GAO HRD-80-2, 'Asbestos in Navy Shipyards' era program report (product page) [gao]
- Locator
- gao.gov product page HRD-80-2
- Finding type
- gov_survey
- Finding
- GAO documented that the Navy used asbestos insulation extensively aboard ships and in shipyards during and after the WWII construction era - program-level context for any 1942-43-built naval vessel, including a small wooden minesweeper.
- Verification
- partial
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-04
- Study period
- WWII-era through report date
- Population
- Navy shipyard workers and crews (program-level)
- Limitations
- ACCESS GAP: gao.gov returned HTTP 403 to automated fetch on 2026-10-04 (standing defect since Batch 01); the row relies on the product-page title/description. Program-level document - does not name this hull, this class, or this yard, and does not establish that asbestos was installed aboard YMS-394.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-07
-
[9]NavSource YMS-394 specifications block + Shipbuilding History Yard Minesweepers table (wooden-hulled 136-ft class) [other_primary]
- Locator
- NavSource specifications block; shipbuildinghistory.njscuba.net/us-navy-small/ym/ class description
- Finding type
- asbestos_application
- Finding
- The documented plant is diesel, not steam: two 880 bhp GM 8-268A diesel engines on two shafts, in a wooden-hulled 136-ft hull built to the standard YMS design across 35 boatyards. Absent boilers and steam lines, the era-typical asbestos applications aboard this vessel type narrow to engine-exhaust and machinery lagging, gaskets, valve and pump packing, electrical insulation, and brake/clutch linings on winches and sweep gear - inference from propulsion type and era, not from any materials record.
- Verification
- inferred
- Role
- supporting
- Documentation level
- class_or_era
- Accessed
- 2026-10-04
- Study period
- 1942-1946
- Population
- Engine-room and deck-gear crews (era)
- Limitations
- Era/type inference only: no YMS-1-class materials specification was located in an authoritative digitized source (the 1942 YMS booklet of general plans survives only in private/dealer listings), and no ship-specific record documents what insulation or gasket materials were installed. Does not establish asbestos presence, absence, quantity, or individual exposure aboard this hull.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-08
-
[10]Batch-9030 search ledger (this record): NARA Special List 44; NavSource; uboat.net; Shipbuilding History; NAVPERS 15,790 (HyperWar); Smithsonian NPM; NHHC/DANFS index; GAO; CourtListener opinion and docket indexes [other_primary]
- Locator
- search_ledger rows sl-uss-yms-394-yms394-01 through sl-uss-yms-394-yms394-13
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos record located: no asbestos survey, abatement contract, hazmat disclosure, or NIOSH/OSHA evaluation naming YMS-394 was found in the public sources searched (see search_ledger). CourtListener was partially searched: the exact hull-number opinion query returned zero hits, while the docket index and exact-name variants could not be completed this session (fleet pacing) - logged blocked, not negative. NHHC publishes no DANFS entry for this hull (page 404; NavSource confirms none exists), and Harbor Boat Building has no located yard-level asbestos documentation.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-04
- Study period
- 2026-10-04
- Limitations
- Absence of a located public record does not prove absence of asbestos aboard - it reflects this small unnamed minesweeper's thin documentary trail and its 1947 sale into commercial service, long before abatement-era paperwork. Does not establish that asbestos is or is not present; does not establish or defeat any claim of exposure or legal eligibility.
- Atlas source
- true
- Evidence ID
- ev-uss-yms-394-yms394-09