Evidence
10 evidence entries recorded; each entry has a stable permalink (#ev-1 … #ev-10).
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[1]Shipscribe U.S. Navy auxiliary ships data sheets, 'USS APc-1 Class' page (Stephen S. Roberts compilation from Navy vessel registers, BuShips records, and Maritime Commission files): construction table, disposition table, ship note for APc-22 [other_primary]
- Locator
- shipscribe APC01.html - construction table row 22, disposition table row 22, ship notes row 22
- Finding type
- vessel_history
- Finding
- APc-22 construction/disposition rows: ordered 19 Feb 1942; builder Hodgdon Bros., East Boothbay ME; keel 24 Mar 1942; launched 12 Sep 1942; commissioned 15 Mar 1943; decommissioned 13 May 1946; struck 23 Apr 1947; disposal action 29 Jan 1947 'Trf.' (transfer). Ship note: 'Ex AMc-173. Transferred via MC to Dept. of the Interior. Merc. STORMBIRD 1949, off list 1951.'
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-22
- Study period
- 1942-1947
- Limitations
- Compiled secondary transcription of official Navy register and MC records, not the registers themselves; consistent with NavSource on the dates it shares. Contains no asbestos or materials information; supports no asbestos claim.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-01
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[2]NavSource Online: Service Ship Photo Archive - USS APc-22, file 09/23/23022 [other_primary]
- Locator
- NavSource 23022.htm - description block, spec block, campaign table, CO table, commercial-service entries
- Finding type
- vessel_history
- Finding
- NavSource record for this hull: 'Originally planned as a Coastal Minesweeper AMc-173'; laid down 24 Mar 1942 at Hodgdon Brothers, Goudy and Stevens, East Boothbay ME; commissioned USS APc-22 15 Mar 1943, LTjg. Verey G. Martin Jr. USNR in command; Asiatic-Pacific Theater, Bismarck Archipelago operation at Arawe, New Britain, 19-20 Dec 1943; one battle star; decommissioned 13 May 1946 at Naval Station Treasure Island; struck 23 Apr 1947; transferred to MARAD then to U.S. Dept. of the Interior 1947; mercantile chain Stormbird (1949) -> La Dene (1951, Canadian flag) -> Vancouver Barge Transportation / West Coast Salvage (1962) -> 'FV Anna D' (1963, Oren A. Diamond); foundered 6 Jun 1963 at False Pass AK. Spec block: 100 t lt / 234 t fl; 103'3" x 21'3" x 9'3"; 10 kts; complement 3 officers + 22 enlisted; troop capacity 66; four single 20mm AA; propulsion one Atlas 6HM2124 diesel, two diesel-driven 30 kW 120V DC ship's-service generators, single propeller, 400 shp; diesel fuel 145 bbls. CO table: Martin to Dec 1944, Burke to Mar 1945, Grimes to Dec 1945, Gray to 13 May 1946.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-22
- Study period
- 1942-1963
- Limitations
- Specialist secondary compilation - detailed but non-official; consistent with shipscribe on shared dates. Internal defect: page dates the launch '2 September 1943' (and repeats it in photo captions) - after the 15 Mar 1943 commissioning, i.e. impossible; shipscribe's 12 Sep 1942 adopted, discrepancy logged in gaps. Mercantile final name given as 'FV Anna D' vs nauticapedia 'Anna B' - logged in gaps. Contains no asbestos information; supports no asbestos claim.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-02
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[3]Shipscribe 'USS APc-1 Class' class notes - procurement history of the AMc-150-199 / APc-1-50 program, compiled from CNO directives and District Craft Development Board records [other_primary]
- Locator
- shipscribe APC01.html - Class Notes paragraphs (CNO directive 19 Jan 42; BuShips specs Feb 42; CNO request 13 Apr 42; APc category 22 Apr 42; AMc 150-199 -> APc 1-50)
- Finding type
- vessel_history
- Finding
- Program history behind this hull's designation: AMc-150-199 were ordered under a 19 Jan 1942 CNO directive as wood-hulled coastal minesweepers (103 ft modified design, BuShips specs Feb 1942); on 13 Apr 1942 the CNO requested the 50 vessels instead as 'raider transports, AP,' and the 'Coastal transport (small), APc' category was created 22 Apr 1942; AMc-150-199 became APc-1-50, 'though not respectively.' The design derived from commercial fishing boats - wood hulls, diesel machinery, about 10-12 knots. Class: 161 t light / 258 t limiting; 103.25' oa; 400 HP diesel, one screw; complement 21 (1944).
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-22
- Study period
- 1940-1942
- Limitations
- Class/program-level procurement history, not a hull record; establishes why the AMc-173 designation exists only as a plan and why this hull commissioned as APc-22. Contains no asbestos or materials information.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-03
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[4]The Nauticapedia vessel registry - APc-22 (U.S.S.) record (Canadian registry 193790; U.S. registry 257348; pendant APC.22) [other_primary]
- Locator
- nauticapedia.ca shiplist record id=49787 - registry block, engine line, name/owner chronology, anecdotes
- Finding type
- vessel_history
- Finding
- Registry record for the hull after Navy disposal: Hull = Wood; engine '400 bhp Imperial Atlas 6-cylinder (13" x 16") (1943)' built by Atlas Imperial Diesel Engine Co., Oakland CA; names APc-22 (1943), Stormbird (1949), La Dene (1951), Anna B (1963); owners - U.S. Navy (1943), U.S. Dept. of the Interior (1947), Gerald Oaksmith Seattle (1950-1951), Vancouver Tug Boat Co. Ltd. (1951-1962), Vancouver Barge Transportation Ltd. (1962), West Coast Salvage and Contracting Co. (1962), Oran A. Diamond Juneau AK (1963); foundered 6 Jun 1963 at False Pass AK. Anecdote: a 1960 court decision held the vessel's master liable for the 1957 sinking of a Marwell Equipment Ltd dredge in a Fraser River collision.
- Verification
- verified
- Role
- supporting
- Documentation level
- ship_specific
- Accessed
- 2026-09-22
- Study period
- 1943-1963
- Limitations
- Specialist vessel-registry database (non-official but registry-derived); resolves the mercantile chain and confirms the wooden hull and Atlas diesel. Conflicts: 'Anna B' vs NavSource 'FV Anna D'; owner listed at Juneau vs NavSource Kodiak - logged in gaps. Contains no asbestos information; supports no asbestos claim.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-04
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[5]Consolidated era/design inference - NavSource spec block for this hull + shipscribe class design data + nauticapedia registry (Hull = Wood) [other_primary]
- Locator
- NavSource 23022.htm spec block; shipscribe APC01.html class data; nauticapedia record id=49787
- Finding type
- asbestos_application
- Finding
- Bounded era/design inference: this hull was a wooden-hulled small craft with a diesel-only plant (one Atlas 6HM2124, 400 shp, single screw; two diesel-driven 30 kW generators) - no boilers, no steam system, and no steam-line insulation scope. Any asbestos aboard would have been confined to era-typical small diesel craft items: engine exhaust/muffler lagging, machinery gaskets and packing, and electrical/cable insulation. Documented disturbance phases for this hull: wartime Pacific service (incl. the Arawe operation), 1946 decommissioning at Treasure Island, 1947 government transfer, mercantile conversion and fishing/tug service 1949-1963 under several owners, and loss by foundering 1963 - there is no surviving hull to survey.
- Verification
- inferred
- Role
- supporting
- Documentation level
- class_or_era
- Accessed
- 2026-09-22
- Study period
- 1942-1963
- Population
- Construction workforce at Hodgdon Brothers, East Boothbay (1942-43); wartime crew (25) and embarked troops (capacity 66); post-Navy commercial crews (1949-1963)
- Limitations
- Inference from the documented design and era - NOT a hull record. No survey, specification, or material schedule naming APc-22 or AMc-173 was located; establishes no asbestos content, quantity, location, individual exposure, or causation. The wooden hull and diesel plant bound the plausible scope materially below that of steam vessels of the same era.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-05
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[6]Corn, Jacqueline Karnell, and Jennifer Starr, 'Historical perspective on asbestos: Policies and protective measures in World War II shipbuilding,' American Journal of Industrial Medicine 11(3):359-373 (1987) [other_primary]
- Locator
- Abstract and article, AJIM 11(3):359-373
- Finding type
- asbestos_application
- Finding
- Peer-reviewed historical study documents that asbestos was used extensively as a fireproofing and insulating material in U.S. shipbuilding during WWII - the era and emergency construction program under which this hull was built - and that wartime demand drove unprecedented asbestos utilization in shipbuilding.
- Verification
- verified
- Role
- context
- Documentation level
- class_or_era
- Accessed
- 2026-09-22
- Study period
- 1940s era documented; article 1987
- Population
- WWII shipyard workers and ship crews (era context)
- Limitations
- Program/era-level scholarly documentation of asbestos use in WWII shipbuilding generally; does not name this vessel, class, or builder yard and does not establish that asbestos was aboard this hull, nor quantity, location, condition, exposure, or causation. The documented wooden hull and diesel-only plant mean the era-typical asbestos scope for this craft was far smaller than for steam vessels.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-06
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[7]NavSource Small Coastal Transport (APc) index - AMc-to-APc mapping table; corroborated by shipscribe ship notes (APc-21 ex AMc-172; APc-22 ex AMc-173) [other_primary]
- Locator
- NavSource index 23idx.htm mapping table; shipscribe APC01.html ship notes rows 21-22; contrast NavSource 23021.htm page text
- Finding type
- vessel_history
- Finding
- Designation-map correction: the NavSource class index lists 'APc-22 ex AMc-173' and 'APc-21 ex AMc-172'; the shipscribe ship notes record the same ('APc-22 ... Ex AMc-173'; 'APc-21 ... Ex AMc-172'). NavSource's own APc-21 page text nevertheless describes APc-21 as 'Originally planned as a Coastal Minesweeper AMc-173' - contradicting both the index and shipscribe - and that error has propagated into downstream pages (e.g., Wikipedia's USS APc-21 article, which carries 'laid down ... as a coastal minesweeper AMc-173'). This record consolidates AMc-173 to APc-22, the commissioned identity of the hull.
- Verification
- verified
- Role
- correction
- Documentation level
- ship_specific
- Accessed
- 2026-09-22
- Study period
- 1942 designations; sources reviewed 2026-09-22
- Limitations
- Resolves a live secondary-source conflict; the NavSource index and shipscribe compilation agree with each other and are adopted over NavSource's APc-21 page text and its downstream copies. Wikipedia/Alchetron are non-citable downstream mirrors - noted only to flag the collision for future name searches.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-07
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[8]Batch-1522 search ledger (this record): NavSource 23022 + APc index; shipscribe APC01 class compilation; nauticapedia registry id=49787; NARA Special List #44; NHHC DANFS coverage check; indexed-web litigation checks; CourtListener API v4 (quota-limited) [other_primary]
- Locator
- search_ledger rows sl-uss-amc-173-amc173-01 through sl-uss-amc-173-amc173-08
- Finding type
- historical_record
- Finding
- No qualifying ship-specific asbestos record located: no asbestos survey, abatement contract, hazmat disclosure, court finding, or docketed asbestos case naming AMc-173, APc-22, Stormbird, La Dene, or Anna B was found in the public sources searched (see search_ledger). No DANFS/NHHC ship-history entry exists for this numbered small craft. The one litigation hit tied to this hull is a non-asbestos 1960 Canadian collision ruling (see ev-uss-amc-173-amc173-10).
- Verification
- verified
- Role
- negative_finding
- Documentation level
- ship_specific
- Accessed
- 2026-09-22
- Study period
- 2026-09-22
- Limitations
- Absence of a located public record does not prove absence of asbestos aboard - era-consistent materials may have been present in small quantities and no survey was ever located. Does not establish presence or absence; does not establish or defeat any exposure claim or legal eligibility. CourtListener systematic sweeps were quota-limited (HTTP 429 on the shared key) - negative litigation coverage rests on indexed-web checking; see search_ledger sl-uss-amc-173-amc173-06/07.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-08
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[9]NARA, 'Special List #44, by Ship Numbers' - index to U.S. Navy deck logs held by the National Archives (RG 24) [other_primary]
- Locator
- https://www.archives.gov/files/research/military/logbooks/sl-44-ship-number.pdf - APC-22 row (3/15/1943 - 6/30/1945); RG guides at archives.gov/research/guide-fed-records
- Finding type
- historical_record
- Finding
- Archival leads (not retrieved - requires research-room or reproduction order; no spend authorized): NARA Special List #44 lists deck logs for APC-22 covering 15 Mar 1943 - 30 Jun 1945 (RG 24, NARA College Park). BuShips design and construction-contract records for the AMc-150-199 / APc-1-50 program would sit in RG 19 (Bureau of Ships) and RG 178 (U.S. Maritime Commission); no digitized booklet of general plans for the Hodgdon-built units was located online.
- Verification
- verified
- Role
- archival_lead
- Documentation level
- context_only
- Accessed
- 2026-09-22
- Study period
- 1943-1945 records
- Limitations
- Index-level verification only - the deck logs exist in NARA custody per Special List #44 but were not retrieved or reviewed; deck logs record operational events, not materials content. Nothing in this row is an asbestos finding.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-09
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[10]The Nauticapedia vessel registry - APc-22 record, anecdotes section: 1960 court decision re 1957 Fraser River collision [other_primary]
- Locator
- nauticapedia.ca shiplist record id=49787 - anecdotes field
- Finding type
- litigation_documented
- Finding
- Other-litigation datum attached to this hull's post-Navy identity (La Dene): a 1960 court decision held the vessel's master liable for the 1957 sinking of a Marwell Equipment Ltd dredge in a collision in the Fraser River, B.C. Classified 'other litigation' - a marine collision liability ruling, not asbestos litigation, and not a U.S. docket indexed on CourtListener.
- Verification
- partial
- Role
- context
- Documentation level
- context_only
- Accessed
- 2026-09-22
- Study period
- 1957 collision; 1960 decision
- Limitations
- Registry anecdote only - the Canadian decision itself was not retrieved (pre-digital provincial/federal court reporting); cited so name-match sweeps do not misclassify it as asbestos litigation. Establishes nothing about asbestos aboard the hull.
- Atlas source
- true
- Evidence ID
- ev-uss-amc-173-amc173-10