Evidence
10 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-10).
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[1]research packet 374-packet.md (3 sources cited) [nhhc_danfs]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED (name correctly recorded as hull-only placeholder; the hull was never named)
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-ix-511-ix511-pkt-374-packet-md
-
[2]Dictionary of American Naval Fighting Ships, 'LST-399' (NHHC live page, published 2015-07-30) [nhhc_danfs]
- Locator
- NHHC DANFS entry text, L section, lst-399.html
- Finding type
- vessel_history
- Finding
- DANFS documents LST-399 laid down 1942-09-28 at Newport News Shipbuilding & Drydock Co.; launched 1942-11-23, sponsored by Miss Valerie Macpherson; commissioned 1943-01-04. WWII Asiatic-Pacific operations: New Georgia-Rendova-Vangunu occupation (July 1943); Vella Lavella occupation (August 1943); Treasury Island landing (October-November 1943); capture and occupation of Guam (July 1944); assault and occupation of Iwo Jima (February 1945); assault and occupation of Okinawa Gunto (April 1945); occupation duty Far East fall 1945; decommissioned 1945-12-08; served with Military Sealift Command as USNS LST-399 (T-LST-399) from 1952-03-31 until struck from the Navy list 1973-11-01 and 'subsequently scrapped.' Five battle stars and Navy Unit Commendation for WWII.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1942-1973
- Population
- Ship's company 1943-01-04 to 1945-12-08; MSTS-era crews 1952-1973
- Limitations
- DANFS ends the record at 'subsequently scrapped' - contradicted by the Naval Vessel Register (IX-511 stricken 1985 'to be disposed of in support of fleet training exercise') and Combat Fleets (stricken for use as a target); the scrapped wording is carried as a source conflict, not fact. DANFS omits the SCAJAP/Q088 period and the IX-511 reinstatement entirely. Contains no asbestos or material-content information.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-01
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[3]Naval Vessel Register (NAVSEA, official inventory), ship detail record 'NO NAME (IX 511) (ex - LST 399)', UIC 50399 [other_primary]
- Locator
- nvr.navy.mil getHull shipId=1581 - vessel status block, milestone dates block
- Finding type
- vessel_history
- Finding
- The official Naval Vessel Register carries a detail record for 'NO NAME (IX 511)', annotated '(ex - LST 399)', type UNCLASSIFIED MISCELLANEOUS, UIC 50399, custodian US NAVY: status 'stricken, to be disposed of in support of fleet training exercise', date status changed 06/15/1985, stricken date 06/15/1985; builder Newport News Shipbuilding; award 05/22/1942, keel 09/28/1942, launch 11/23/1942, delivery 01/04/1943. The record officially establishes that IX-511 is the same physical hull as LST-399 and that no name was assigned to the IX designation.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1980-1985 (IX designation window); record last updated 2004-08-10
- Population
- Navy personnel handling the hulk between 1980 reinstatement and 1985 strike; fleet-exercise participants (disposal event, if effected)
- Limitations
- Administrative register record only - documents identity, dates, and intended disposal method, not material content or an actual sinking event; the 'to be disposed' status text persisted through the record's last update (08/10/2004), so the disposal itself is unconfirmed in this source. No asbestos information.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-02
-
[4]MARAD Vessel History Database record 3092, LST-399, including scanned reserve-fleet status cards (3092_5755AF.jpg MA-383 'Reserve Fleet - Ship Particulars'; 3092_AF.jpg MA-20 'Record of Ship Sales') [marad_nrc]
- Locator
- vesselhistory.marad.dot.gov record 3092 - milestones table; card images 3092_5755AF.jpg and 3092_AF.jpg (read in full)
- Finding type
- historical_record
- Finding
- MARAD custody record documents LST-399 ('No Name'), Landing Ship Tank, built 1943 Newport News SB & DD Co., LOA 328 ft x 50 ft, draft 14 ft, '1800 SHP - TWIN SCREW', tonnage figures 1,653 standard / 2,366 beaching / 4,080 full load. Status card records: ENTERED Suisun Bay fleet 3-20-74 (1220 PDT); WITHDRAWN 11-25-80 (0930 PST), reason 'Withdrawn by Navy/Permanent Transfer'; the MA-20 sales card remarks read 'Transferred to Dept. of Navy 11/25/80.' This documents the NDRF lay-up after the 1973 strike and the 1980-11-25 Navy take-back that precedes the IX-511 reinstatement.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1974-1980
- Population
- NDRF lay-up/custody personnel, Suisun Bay (1974-1980); Navy recovery/tow crews (1980)
- Limitations
- Administrative custody record - documents lay-up and custody transfer dates, not material content or condition. No hazmat/condition-report content appears on the published cards. The web milestone table's 'PERM TRANS TO NAVY' label attached to the 3/20/1974 entry conflicts with the card image (which shows entry INTO Suisun Bay 3-20-74 and withdrawal BY Navy 11-25-80); the card image controls. Does not state when the IX-511 designation was applied.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-03
-
[5]Naval History and Heritage Command photo catalog, NH 84849 'USNS LST-399', caption: 'Laid up in Suisun Bay, California, on 11 April 1974' (photo courtesy William H. Davis, 1976) [other_primary]
- Locator
- NHHC photo catalog record NH 84849 caption
- Finding type
- historical_record
- Finding
- Official NHHC photographic record independently corroborates the hull laid up at Suisun Bay, California on 1974-04-11, consistent with the MARAD card entry date of 3-20-74 - the hulk in reserve between the 1973 strike and the 1980 Navy withdrawal.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 1974
- Population
- Reserve-fleet custody personnel, Suisun Bay, 1974
- Limitations
- Photo caption records location and date only; no condition, materials, or asbestos information.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-04
-
[6]Bureau of Ships, Ships' Data, U.S. Naval Vessels, Vol. II (1945 edition), LST design table and construction roster (shipscribe.com scan of official publication) [other_primary]
- Locator
- SDB1945v2 machinery table (LST1-490 row: 2 x G.M. Diesel 12-567A, 1,700 shp); construction roster (LST399 ex-ATL399, Newport News block)
- Finding type
- historical_record
- Finding
- The official BuShips 1945 design table assigns the LST1-490 group (which includes LST-399) 2 x General Motors Diesel 12-567A engines at 1,700 shaft horsepower with a blank boiler column - a diesel plant with no boilers, narrowing the steam-system lagging pathway relative to steam-powered hulls. The construction roster records LST399 (ex-ATL399) under the Newport News S.B. & D.D. Co. builder block: laid 28 Sept 42, launched 23 Nov 42, completed 4 Jan 43 - corroborating DANFS build data and preserving the hull's original ATL (tank-landing) contract designation.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-29
- Study period
- 1942-1945
- Population
- Newport News construction trades (1942-1943); engine-room crew
- Limitations
- Class-design and roster documentation, not a hull material schedule: the table establishes the machinery plant and dates but lists no insulation composition. The 'ex-ATL399' designation reflects the pre-LST contract nomenclature. No asbestos content.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-05
-
[7]ATSDR Case Studies in Environmental Medicine (CSEM), 'Asbestos Toxicity: Where Is Asbestos Found?' (CDC archive) [other_primary]
- Locator
- ATSDR CSEM asbestos course, 'Where Is Asbestos Found?' page (archived CDC copy)
- Finding type
- asbestos_application
- Finding
- ATSDR states: 'Until the 1970s, asbestos was widely used in the construction, shipbuilding, and automotive industries,' listing among former uses boilers and heating vessels, pipe covering, insulation products, and heat-resistant textiles, and notes these materials 'remain in many buildings, ships, and automobiles built before 1975.' A 1942-43 diesel-powered tank landing ship falls within the documented era application for gaskets, packing, exhaust/engine lagging, deck coverings, and accommodation insulation - though its diesel plant (no boilers) removes the boiler-lagging pathway typical of steam hulls.
- Verification
- inferred
- Role
- supporting
- Documentation level
- class_or_era
- Accessed
- 2026-09-29
- Study period
- 1942-1985
- Population
- Newport News construction trades (1942-1943); ship's company and embarked troops (1943-1945); SCAJAP crews (1945-1952); MSTS crews (1952-1973); NDRF custody personnel (1974-1980); target-hulk handling personnel (1980-1985)
- Limitations
- Industry-level public-health documentation; does not name this hull and does not establish that asbestos was present aboard LST-399/IX-511. Era- and class-consistent inference only - no quantity, product identity, or individual exposure is established. The diesel plant materially narrows the exposure-relevant material set compared to steam-powered contemporaries.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-06
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[8]OSHA final standard, Occupational Exposure to Asbestos, 51 Fed. Reg. 22612 et seq. (June 20, 1986), feasibility discussion for shipbuilding and repair [federal_register]
- Locator
- 51 FR, June 20, 1986 issue slice pp. 22592-22772, 'Shipbuilding and Repair' feasibility section
- Finding type
- regulatory
- Finding
- OSHA's 1986 asbestos rule preamble documents that in shipbuilding/repair 'the greatest potential for asbestos exposure is during the removal, or rip-out, of old asbestos material' and gasket cutting, in confined ship spaces. Testimony cited from James R. Thorton of Newport News Shipbuilding Drydock Co. presented exposure data from major asbestos rip-outs in reactor compartments (41% of exposures >2.0 f/cc; 32% between 0.5-2.0 f/cc; Hearing Transcript June 25, 1984, p. 79), documenting that the builder yard was performing substantial asbestos rip-out work on vessels during the era when this hull was stricken and withdrawn from reserve.
- Verification
- verified
- Role
- context
- Documentation level
- context_only
- Accessed
- 2026-09-29
- Study period
- 1984-1986
- Population
- Shipyard rip-out/removal workers (industry-wide); Newport News Shipbuilding trades (1980s testimony)
- Limitations
- Yard- and industry-level regulatory context: the NNS data concerns nuclear-vessel reactor-compartment rip-outs, not this hull, and no asbestos work on LST-399/IX-511 is recorded. Establishes the documented exposure environment of the builder yard and the era's shipboard asbestos-removal problem only; nothing about this vessel's material content.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-07
-
[9]CourtListener API v4 authenticated sweeps: opinion index queries 'LST-399' and 'IX-511' (2026-09-29) [court_record]
- Locator
- cl-auth-search.py authenticated queries, type=o, 2026-09-29; site:courtlistener.com index check via firecrawl; RECAP type=r queries attempted, fleet-throttled
- Finding type
- litigation_documented
- Finding
- No qualifying litigation located. Opinion-index sweep for 'LST-399' returned 135 BM25 matches with zero actual mentions of the ship in snippet text (hits are tokenization noise - e.g., 'Lone Star Tan LST' companies, unrelated document text); opinion-index sweep for 'IX-511' returned 8,554 matches with zero actual mentions. A site-scoped courtlistener.com check found only name collisions (LST Holdings Ltd. as a RICO defendant; '(LST)' filing codes; '399' docket-entry numbers; '511' street addresses) - nothing naming the vessel. No opinion names the hull, and no asbestos case naming LST-399, T-LST-399, Q088, or IX-511 was found.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 2026-09-29
- Limitations
- CourtListener coverage is not exhaustive - unreported trial dispositions, workers' compensation cases, and PACER-only dockets may not appear; the authenticated RECAP docket-index sweeps were attempted but could not complete this session (fleet pacing budget exhausted at each spaced attempt; see search_ledger) - the site-scoped index check is a partial substitute only. Absence of docketed litigation does not prove no claims were ever filed.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-08
-
[10]Batch-4822 search ledger (this record): NHHC/DANFS; Naval Vessel Register; MARAD Vessel History Database + status cards; BuShips SDB 1945 v2; ATSDR CSEM; Federal Register OSHA asbestos preamble; CourtListener API v4; MARAD/NARA/NPS avenue checks; open-web screen for ship-name asbestos claims [other_primary]
- Locator
- search_ledger rows sl-uss-ix-511-ix511-01 through sl-uss-ix-511-ix511-12
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos record located: no asbestos survey, material schedule, abatement contract, condition-report hazmat section, or museum/regulator disclosure naming LST-399, T-LST-399, Q088, or IX-511 was found in the public sources searched (see search_ledger). The open-web screen surfaced only law-firm listicle pages asserting generic pre-1980s Navy asbestos use - excluded per batch source rules; none named this hull with any supporting primary source.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-29
- Study period
- 2026-09-29
- Limitations
- Absence of a located public record does not prove absence of asbestos aboard - a 1942-43 hull in continuous Navy/MSTS/custodial service through 1985 that was never surveyed under modern hazmat regimes would carry era-consistent materials by default. Does not establish or defeat any claim of exposure or legal eligibility.
- Atlas source
- true
- Evidence ID
- ev-uss-ix-511-ix511-09