Evidence
6 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-6).
-
[1]research packet 901-packet.md [other_primary]
- Finding type
- vessel_history
- Finding
- Identity packet verdict: VERIFIED
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Evidence ID
- uss-sc-521-sc521-pkt-901-packet-md
-
[2]Dictionary of American Naval Fighting Ships, SC-501–SC-600, entry SC-521 [nhhc_danfs]
- Locator
- SC-521 entry
- Finding type
- vessel_history
- Finding
- SC-521 was built at Annapolis Yacht Yard Inc., Annapolis, Maryland; keel laid 5 May 1941; launched 1 February 1942; commissioned 15 April 1942; and foundered in the Solomon Islands area on 10 July 1945.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1941–1945
- Limitations
- DANFS provides the listed construction and loss facts. Its short entry gives no service narrative, complement, propulsion details, or asbestos information. The page was indexed in live search, but direct page retrieval returned a gateway error during this session.
- Atlas source
- true
- Evidence ID
- ev-uss-sc-521-sc521-01
-
[3]NHHC, Casualties: Navy and Coast Guard Ships [nhhc_danfs]
- Locator
- Submarine Chaser (110 foot) (SC) casualty list
- Finding type
- vessel_history
- Finding
- NHHC lists USS SC-521 as having foundered off Santa Cruz, Solomon Islands, on 10 July 1945.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-07-10
- Limitations
- This casualty listing confirms the loss description and date. It does not provide a narrative of the event, cause, or precise wreck coordinates.
- Atlas source
- true
- Evidence ID
- ev-uss-sc-521-sc521-02
-
[4]U.S. Navy, U.S. Navy at War: Final Official Report to the Secretary of the Navy, 1941–1945 [nhhc_danfs]
- Locator
- Appendix C, table of naval vessels lost; submarine chasers
- Finding type
- vessel_history
- Finding
- The official report lists SC 521 at 11°03′ S, 164°50′ E, dated 10 July 1945, in its table of naval vessels lost.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1945-07-10
- Limitations
- The report supplies a location and date but does not state the cause of loss in this table. Coordinates are reported as printed and have not been independently converted or reconciled with the phrase ‘off Santa Cruz.’
- Atlas source
- true
- Evidence ID
- ev-uss-sc-521-sc521-03
-
[5]National Archives, Special List No. 44, by Ship Numbers [other_primary]
- Locator
- p. 105, SC-521 row
- Finding type
- historical_record
- Finding
- NARA's logbook finding aid lists SC-521 deck-log coverage from 1 January 1943 through 11 July 1945.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Study period
- 1943-01-01–1945-07-11
- Limitations
- The finding aid identifies log coverage, not the log contents. Individual logs have not been consulted, and the listed ending date does not establish the exact date or circumstances of loss.
- Atlas source
- true
- Evidence ID
- ev-uss-sc-521-sc521-04
-
[6]Research log for USS SC-521, 2026-10-03; searches of the accessible official ship-history, casualty, official-report, and NARA finding-aid material; CourtListener and live Firecrawl access unavailable [other_primary]
- Locator
- See this record's gaps and BATCH-7896-REPORT.md for the research limits
- Finding type
- asbestos_application
- Finding
- No ship-specific asbestos survey, abatement record, hazmat disclosure, or product identification for SC-521 was located in the sources reviewed. Ship-specific asbestos documentation is unknown.
- Verification
- partial
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-10-03
- Limitations
- This is a bounded search result, not proof that no record exists. Firecrawl returned a keyless-quota error and authenticated CourtListener queries could not be submitted because the fleet pacing helper reported the shared request budget momentarily spent. No conclusion about asbestos presence or absence aboard can be drawn.
- Atlas source
- true
- Evidence ID
- ev-uss-sc-521-sc521-05