Evidence
7 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-7).
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[1]research packet 941-packet.md [other_primary]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-pc-804-pc804-pkt-941-packet-md
-
[2]National Archives Catalog, USS PC-804 — War Diary, 2/6-28/45 (NAID 139885834), with additional cataloged PC-804 diaries for March, April-May, June, August, and September-November 1945 [other_primary]
- Locator
- NARA NAID 139885834; related NAIDs 139941450, 140045432, 101727775, 77509465, and 77593465
- Finding type
- vessel_history
- Finding
- NARA catalogs contemporaneous USS PC-804 war diaries covering 6-28 February, March, April-May, June, August, and September-November 1945. The catalog records establish that this hull was operating as USS PC-804 during those documented periods; they do not, from catalog metadata alone, establish construction milestones, equipment, or material content.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-02-06 through 1945-11-30 (cataloged diary coverage)
- Population
- USS PC-804 crew
- Limitations
- Catalog descriptions and linked Fold3 scans were reviewed as archival metadata; the diary images were not transcribed in this research pass. Coverage gaps do not establish that the ship was inactive. This source contains no asbestos finding.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-01
-
[3]National Archives Catalog, USS PC-804 — Report of A/S action south-east of the Ryukyu Islands, 7/24/45 (NAID 77583248) [other_primary]
- Locator
- NARA NAID 77583248; catalog description gives micro serial 151667, serial 011-45, and date 1945-10-08
- Finding type
- historical_record
- Finding
- NARA catalogs a contemporaneous USS PC-804 report titled 'Report of A/S action south-east of the Ryukyu Islands, 7/24/45.' Its existence corroborates that the hull made an antisubmarine-action report on that date; detailed contents were not transcribed from the scan for this record.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-07-24
- Population
- USS PC-804 crew during the reported action
- Limitations
- The catalog title establishes the report and date, not the report's full factual narrative, weapon expenditure, damage, or any material condition aboard PC-804. It contains no asbestos finding.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-02
-
[4]NHHC DANFS, Underhill (DE-682) [nhhc_danfs]
- Locator
- NHHC Underhill narrative, paragraphs beginning 'Meanwhile, the sonar contact' and 'Although hampered in their rescue efforts'
- Finding type
- vessel_history
- Finding
- NHHC's history of USS Underhill identifies submarine chaser PC-804 in the 24 July 1945 action: Underhill ordered PC-804 to investigate a sonar contact; the PC dropped depth charges; and PC-803 and PC-804 aided survivors after Underhill was struck by kaiten. This independently identifies the hull's operational role in that action.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-07-24
- Population
- USS PC-804 crew; Underhill survivors
- Limitations
- This is Underhill's history, not a PC-804 material or maintenance record. It does not identify PC-804's construction details, equipment beyond the actions described, asbestos content, or any individual exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-03
-
[5]NHHC, United States Pacific Fleet Organization, 1 May 1945 [nhhc_danfs]
- Locator
- NHHC Pacific Fleet Organization, patrol-craft listing: PC 800-814 block
- Finding type
- historical_record
- Finding
- NHHC's 1 May 1945 Pacific Fleet organization lists PC 804 in its patrol-craft listings. The table leaves the commanding-officer field blank for PC 804, so this record does not identify a commanding officer or more specific assignment from that source.
- Verification
- verified
- Role
- context
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-05-01
- Population
- USS PC-804 crew
- Limitations
- A fleet organization listing is a dated administrative snapshot, not a continuous operational history or material inventory. It does not establish asbestos aboard PC-804.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-04
-
[6]GAO, Navy Efforts To Protect Workers From Asbestos Exposure, HRD-80-2 (1980) [gao]
- Locator
- GAO HRD-80-2 highlights and full-report description
- Finding type
- gov_survey
- Finding
- GAO's Navy-wide review describes asbestos use in Navy ships and 1975 and 1979 removal/replacement policies for asbestos insulation. It supplies Navy-era context only; it neither names PC-804 nor identifies asbestos, product, location, quantity, or condition aboard this hull.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-10-03
- Study period
- 1975-1979 policies; report published 1980
- Population
- Navy shipyard workers and ship crews in the GAO program review
- Limitations
- Program-level evidence, not hull-specific evidence. The report reviewed Long Beach and Norfolk Naval Shipyards and does not establish construction or exposure facts for PC-804.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-05
-
[7]Batch-8177 authoritative-source search ledger for USS PC-804 [other_primary]
- Locator
- search_ledger rows sl-uss-pc-804-pc804-01 through -06
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos record was located in the authoritative sources searched: no hull survey, abatement record, hazmat disclosure, builder material list, or directly readable asbestos-litigation record naming USS PC-804/PC-804 was located. The NARA records found are operational diaries and action reports, not material records.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- Research completed 2026-10-03
- Limitations
- This is a search result, not proof that asbestos was absent. NARA diary/action-report scans, construction-contract records, and disposition files remain archival leads; CourtListener results are recorded separately in the search ledger because fleet pacing prevented a completed review during this pass.
- Atlas source
- true
- Evidence ID
- ev-uss-pc-804-pc804-06