USS Hopocan (YN-33)

Name
USS Hopocan
Hull designation
YN-33
Vessel class
YN
Evidence tier
Tier 2
Evidence entries
4
Record ID
uss-hopocan-yn33
Dataset version
2026.10.12-rc.1
Canonical URL
https://asbestosatlas.org/ships/uss-hopocan-yn33

Evidence

4 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-4).

  1. [1]research packet 1084-packet.md [other_primary]
    Finding type
    vessel_history
    Finding
    Identity packet verdict: VERIFIED
    Verification
    verified
    Role
    supporting
    Documentation level
    ship_specific
    Evidence ID
    uss-hopocan-yn33-pkt-1084-packet-md
  2. [2]NHHC, Dictionary of American Naval Fighting Ships, “Hopocan” (archived capture dated 2024-05-25; live page returned HTTP 404 on 2026-10-05) [nhhc_danfs]
    Locator
    Entry narrative and specification block
    Finding type
    vessel_history
    Finding
    Hopocan (YN-33) was built as the diesel-powered steel tug Carmelite in 1937 by Ira S. Bushey & Sons, Brooklyn, New York; acquired by the Navy from the builder on 1940-08-16; and placed in service as a net tender on 1940-09-09 after conversion at New York Navy Yard. The DANFS narrative states assignment to the 15th Naval District, departure Hampton Roads on 1940-10-30, and arrival in the Canal Zone on 1940-11-13. It was redesignated YNT-1 on 1942-04-08, departed Cristobal on 1942-07-17 for 10th Naval District duty in the Aruba-Curacao area, was assigned to Naval Base Trinidad in October 1944, redesignated YTM-728 on 1945-08-04 for harbor tug duties at Roosevelt Roads, Puerto Rico, placed out of service at Brooklyn on 1946-08-02, stricken on 1946-08-15, and transferred to the Maritime Commission for disposal in May 1947. DANFS gives 129 displacement tons, 90-foot length, 22-foot-6-inch beam, 11-foot-4-inch draft, and 11-knot speed.
    Verification
    verified
    Role
    supporting
    Documentation level
    ship_specific
    Accessed
    2026-10-05
    Study period
    1937-1947
    Population
    Navy personnel and civilian workers associated with this hull; no individual exposure documented by this source
    Limitations
    Ship-history source only; it contains no asbestos finding, exposure evidence, or post-transfer final disposition. The live NHHC page returned HTTP 404; this is the verified archived copy, not a live-source citation.
    Atlas source
    true
    Evidence ID
    ev-uss-hopocan-yn33-01
  3. [3]U.S. Navy, Ships’ Data, U.S. Naval Vessels (1945), printed pp. 545–547, “Net Tenders (Tug Class) (YNT)” (official Navy reference reproduced in a digitized PDF hosted by Shipscribe) [other_primary]
    Locator
    Printed pp. 545–547; PDF table “Net Tenders (Tug Class) (YNT),” YNT-1 row
    Finding type
    historical_record
    Finding
    The 1945 Navy net-tender table lists YNT-1 HOPOCAN, ex-YN-33 and ex-Carmelite; gives 90 feet length, 22 feet 6 inches beam, 11 feet draft, and 735 shaft horsepower; allocates the vessel to the 10th Naval District; and describes it as diesel powered, metal-arc-welded construction, built by A. S. Bushey & Sons, Inc., Brooklyn, New York, in 1937, purchased by the Navy in August 1940, and converted at New York Navy Yard. The table documents official YNT-1 usage in 1945, distinct from DANFS’s account of the earlier 15th Naval District assignment and later Aruba-Curacao/Trinidad duty.
    Verification
    verified
    Role
    supporting
    Documentation level
    ship_specific
    Accessed
    2026-10-05
    Study period
    1945 snapshot; construction and acquisition particulars as reported in 1945
    Population
    Vessel identification and naval-district allocation
    Limitations
    Official 1945 reference, but a digitized reproduction hosted outside a government domain. It is a 1945 snapshot and does not establish asbestos content, exposure, or the exact date of each duty assignment.
    Atlas source
    true
    Evidence ID
    ev-uss-hopocan-yn33-02
  4. [4]Research log for this batch: reviewed NHHC DANFS and the 1945 Navy Ships’ Data entry; attempted one authenticated CourtListener exact-name opinion query, then received the helper’s fleet-wide pacing stand-down before docket or hull-number queries could be run. [other_primary]
    Locator
    Batch-9205 research log and search_ledger entries sl-uss-hopocan-yn33-03 through -06
    Finding type
    historical_record
    Finding
    No ship-specific asbestos survey, abatement record, asbestos inventory, or asbestos litigation record was located in the materials successfully reviewed for this record. This is a limited search result, not evidence that asbestos was absent. CourtListener litigation review is incomplete: the exact-name opinion attempt did not yield a retrievable result in this session, and the helper then directed a stand-down before the remaining three required base queries.
    Verification
    partial
    Role
    negative_finding
    Documentation level
    context_only
    Accessed
    2026-10-05
    Study period
    Research conducted 2026-10-05
    Limitations
    Search-limited negative finding only. The required CourtListener four-query sweep was not completed because the authenticated helper reported the fleet-wide hourly pacing budget was momentarily spent. No asbestos presence, absence, litigation result, or exposure conclusion may be inferred from this row.
    Atlas source
    true
    Evidence ID
    ev-uss-hopocan-yn33-03

Attribution

Compiled by
Paul Danziger; Rod de Llano
Publisher
Danziger & De Llano, LLP
License
CC-BY-4.0
Citation
Danziger, P., and De Llano, R. (2026). AsbestosAtlas Navy Vessel Asbestos Exposure Dataset. Danziger & De Llano, LLP. DOI: not yet assigned
Dataset version
asbestosatlas-ships-2026.10.12-rc.1
DOI
not yet assigned