Evidence
8 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-8).
-
[1]National Archives, Special List 44: Named Vessels [other_primary]
- Locator
- Cusabo (ATF-155) entry
- Finding type
- vessel_history
- Finding
- NARA's named-vessel logbook list identifies Cusabo as ATF-155 and lists logbook coverage beginning 19 May 1945 and running through 31 December 1945.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- The listed dates describe archival logbook coverage. The start date is consistent with the reported commissioning date but the index alone is not a commissioning certificate or a record of asbestos aboard.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-01
-
[2]U.S. Senate hearing, listing of U.S. Navy ships and craft on lease to foreign navies as of 31 March 1973 [other_primary]
- Locator
- List of U.S. Navy ships and craft on lease to foreign navies, Ecuador entry
- Finding type
- vessel_history
- Finding
- A 1973 Senate hearing lists Cusabo (ATF-155) among U.S. Navy craft on lease to Ecuador as of 31 March 1973.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- The hearing establishes the lease status at that date; it does not establish the start of Ecuadorian service, subsequent name, onboard materials, or final disposition.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-02
-
[3]Congressional Record—House, 6 December 1971, Table II, Ships Loaned (Government to Government) [other_primary]
- Locator
- PDF page containing Congressional Record page 44925, Table II, ATF-155 row
- Finding type
- vessel_history
- Finding
- A 1971 congressional table labels USS Cusabo (ATF-155) a fleet ocean tug and lists a November 1960 loan date.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- The table reports a loan month and vessel type, not the precise transfer day, construction date, onboard materials, or ultimate fate.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-08
-
[4]GAO, U.S. Security and Military Assistance: Programs and Related Activities, ID-82-40 (1982) [gao]
- Locator
- Appendix on ship sales, PDF page 56 (printed page 50), Cusabo row
- Finding type
- vessel_history
- Finding
- A GAO compilation of U.S. security-assistance transfers lists Cusabo (ATF-155) as sold to Ecuador in August 1978, after a prior lease.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- The GAO table documents month and recipient, not an exact sale date, subsequent service duration, asbestos condition, or final disposal.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-03
-
[5]National Archives, Ship Plan Index [other_primary]
- Locator
- CUSABO / ATF-155 / RG 19 / Hull series of Ship Engineering Drawings / 153714228
- Finding type
- historical_record
- Finding
- NARA's Ship Plan Index lists Cusabo (ATF-155) in Record Group 19's Hull Series of Ship Engineering Drawings, catalog identifier 153714228.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- The index identifies drawings for retrieval; their contents were not reviewed. It does not establish any asbestos material on Cusabo.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-04
-
[6]National Archives, Researching Asbestos aboard US Naval Vessel up through 1961 [other_primary]
- Locator
- Beginning Research; Cartographic Branch
- Finding type
- historical_record
- Finding
- NARA identifies asbestos in U.S. Navy materiel from 1941 to 1961 as a subject requiring ship-specific archival research and describes hull-series drawings, specifications, and related records as research pathways.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-26
- Limitations
- Research guidance for the 1941-1961 Navy fleet, not a Cusabo finding. It does not establish that this tug carried asbestos or identify products, quantities, locations, or exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-05
-
[7]GAO, Navy Efforts To Protect Workers From Asbestos Exposure, HRD-80-2 (1979), Navy response dated 5 January 1979 [gao]
- Locator
- PDF page 11, Navy response, first paragraph on shipboard applications
- Finding type
- asbestos_application
- Finding
- In a 1979 response included in a GAO report, the Navy identified thermal insulation for machinery, equipment, and piping as a major application of asbestos in Navy ships.
- Verification
- verified
- Role
- context
- Documentation level
- context_only
- Accessed
- 2026-09-26
- Limitations
- The response concerns Navy-wide conditions decades after Cusabo left U.S. Navy service. It does not identify this tug or prove asbestos thermal insulation aboard it at any time.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-06
-
[8]Batch 2768 search ledger; NARA, GAO, and congressional source review [other_primary]
- Locator
- search_ledger rows sl-uss-cusabo-at155-01 through -07
- Finding type
- historical_record
- Finding
- The reviewed NARA indices, GAO records, and congressional records did not provide a ship-specific asbestos survey, construction material specification, abatement record, or exposure finding for Cusabo.
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-26
- Limitations
- A negative search result is limited to the specified public sources and date. The NARA drawings and logbooks were indexed but not examined; absence of a located record does not establish absence of asbestos or exposure.
- Atlas source
- true
- Evidence ID
- ev-uss-cusabo-at155-07