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INVESTIGATOR
Passenger (Inspected) · Passenger Ship class · Built 1980s · USCG Great Lakes District (CGD-GL) · Other hulls named INVESTIGATOR
INVESTIGATOR is a 1981 passenger vessel (inspected). The Coast Guard has recorded 37 inspections since 1995, most recently in April 2026, along with 38 deficiencies, 1 operational control and 1 casualty investigation in 2008.
Records from 1995 to 2026. Most recent: inspection, 13 April 2026.
- Built
- 1981
- Last inspected
- 13 April 2026
- Documentation
- Valid · documentation file of 10 September 2026
- Deficiencies
- 38 recorded · 0 without a recorded resolution
- Controls
- None recorded without a removal date
- Casualties
- 1 investigation · 2008
Identity
1025533
WCQ4938
411751
Flag
UNITED STATES
367009260
Maury page id
psix-411751
Inspections, by type
…with no type recorded1
Years with a record
27 calendar years (1995–2026)
The 37 inspections in the strip above, split by the kind of activity the US
Coast Guard recorded. Years with a record are calendar years in which a record exists, not
years in service. What Maury does not do.
Coast Guard record current through 13 September 2026, retrieved 18 September 2026 from PSIX. Every field on this page was recorded by the Coast Guard. Records for the Passenger Ship class in Maury's sources begin in 1977.
Documentation record
Registered dimensions (L × B × D)36.0 ft × 15.0 ft × 6.0 ft
Registered tonnagegross 21 / net 17
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderDAVID A LAUX BOATBUILDERS · GEORGETOWN, DE, UNITED STATES · built 1981
Hull materialAluminum
PropulsionDiesel Direct
Hull shapeShip
Hull configurationMonohull
Hailing portPORT CLINTON, OH
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 5 February 2026 · expires 31 March 2027
Service, as the file records itPassenger (Inspected)
Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it21 - Simplified, Gross Ton
17 - Simplified, Net Ton
17 - Simplified, Net Ton
Every line above is a field of the National Vessel Documentation Center's file as served by NOAA Fisheries, dated 10 September 2026, matched to this hull on its Official Number. Registered and ITC measurements are two systems and are never combined. One snapshot is held so far; documentation history begins with the next.
Radio station licence
WCQ4938MMSI 367009260 · active · compulsorily equipped · granted 20 February 2025, expires 28 March 2035
FCC Universal Licensing System ship-station file of 6 September 2026, matched to this hull on its
US Official Number. Status and dates are the file’s own. The licensee is not read from the file and is not shown.
A lapsed licence’s MMSI is still the number the vessel transmitted under while it was valid.
Inspection history · 37
13 April 2026
Administrative Inspection · COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 8346931
22 July 2025
Administrative Inspection
Administrative · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 8191925
12 November 2024
Internal Structural Exam · Drydock Exam
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 8108537
17 April 2024
Administrative Inspection · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 7896947
18 April 2023
Internal Structural Exam · Annual Inspection · DAPI Audit · Administrative Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 7675424
4 May 2022
Administrative Inspection · In-Service Inspection · Deficiency Check
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 7444008
26 April 2022
Internal Structural Exam · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 7439241
15 April 2021
COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 7174080
12 May 2020
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 6951973
28 February 2020
Drydock Exam · Internal Structural Exam
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 6917633
24 April 2019
Internal Structural Exam · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 6670859
25 April 2018
Internal Structural Exam · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 6399298
19 April 2017
Internal Structural Exam · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 6132197
18 April 2016
DAPI Audit · COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 5854102
8 March 2010
Internal Structural Exam · Hull Examination
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 3691598
8 July 2009
Deficiency Check
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 3527921
6 April 2009
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 3447012
17 May 2008
Type not recorded
No type recorded · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 3240689
14 April 2008
DAPI Audit · Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 3183601
11 July 2007
Examination of Repairs
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2993728
27 April 2007
Deficiency Check
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2917075
30 March 2007
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2898336
23 May 2006
Deficiency Check
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2656783
7 April 2006
COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2619056
27 April 2005
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2343830
23 February 2005
Hull Examination
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2295342
27 April 2004
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 2049253
24 April 2003
Annual Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1779937
25 March 2002
Re-Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1598172
13 March 2001
COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1397595
5 April 2000
Re-Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1457776
3 March 2000
Hull Examination
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1384387
14 April 1999
Plan Review "T" Boat · Re-Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 787211
13 March 1998
COI Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1386217
20 March 1997
Re-Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1442533
8 April 1996
Re-Inspection
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1079470
31 March 1995
Hull Examination · Initial Certification
Physical examination · Marine Safety Unit Toledo · USCG Great Lakes District (CGD-GL) · Activity 1396248
Deficiency record · 38
11 - Life Saving Appliances › N/A - No Subsystem › Maintenance and inspections
Issued 13 April 2026
Resolved
(a)Each EPIRB, other than an EPIRB in an inflatable liferaft, must be tested monthly, using the integrated test circuit and output indicator, to determine that it is operative (c)The EPIRB test required by paragraph (a) shall be logged or otherwise documented, as applicable. Vessel has not been conducting or logging monthly tests. Tested and logged while onboard. 46 CFR 185.728 (a)(c)
07 - Fire Safety › N/A - No Subsystem › Fire fighting equipment and appliances
Issued 13 April 2026
Resolved
The owner, managing operator, or a qualified servicing facility as applicable must conduct the following inspections and tests: (ii)Monthly inspections required by NFPA 10 may be conducted by the owner, operator, person-in-charge, or a designated member of the crew.(iv)The owner or managing operator must provide satisfactory evidence of the required servicing to the marine inspector. Vessel has not been conducting or logging monthly fire extinguisher inspections. Inspected and logged while onboard. 46 CFR 176.810(b)(ii)(iv)
11 - Life Saving Appliances › N/A - No Subsystem › On board training and instructions
Issued 13 April 2026
Resolved
The master shall conduct sufficient drills and give sufficient instructions to make sure that all crew members are familiar with their duties during emergencies that necessitate abandoning ship or the recovery of persons who have fallen overboard. (f)Abandon ship and man overboard drills and training shall be logged or otherwise documented for review by the Coast Guard upon request. The drill entry shall include the following information:(1) Date of the drill and training; and(2) General description of the drill scenario and training topics. Vessel has not been logging drills. Ran man overboard and fire drill underway. Logged.
46 CFR 185.520(a)(f)
05 - Radio Communications › N/A - No Subsystem › Satellite EPIRB 406MHz/1.6GHz
Issued 4 May 2022
Resolved
[withheld — contains personal information; the deficiency system, dates, and resolution status are shown above]
05 - Radio Communications › N/A - No Subsystem › Satellite EPIRB 406MHz/1.6GHz
Issued 26 April 2022
Resolved
EPIRB Battery found to be expired as of 2021. Vessel restricted to operations within 3 miles from Coastline on the Great Lakes. Replace battery per manufacturers specifications.
05 - Radio Communications › N/A - No Subsystem › Satellite EPIRB 406MHz/1.6GHz
Issued 26 April 2022
Resolved
Each disposable hydrostatic release unit must be marked with an expiration date of two years after the date on which the unit is installed. EPIRB hydrostatic release marked for 3 year to expire in 2025. Unit will expire in 2024. [name withheld] release unit with the correct expiration date.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 26 April 2022
Resolved
Flexible hose designed for use with hose clamps may be installed with two clamps, at both ends of the hose which: Do not rely on spring tension of the clamp for compressive force. All flexible cooling water hoses should be installed with two hose clamps on each end of the hose before and after strainer for MDE.
10 - Safety of Navigation › N/A - No Subsystem › Lights, shapes, sound-signals
Issued 26 April 2022
Resolved
STBD Navigation light did not activate upon operation of switch. Light would illuminate after housing was moved. Repair STBD Navigation light so that it remains illuminated when activated.
11 - Life Saving Appliances › N/A - No Subsystem › Lifejackets incl. provision and disposition
Issued 15 April 2021
Resolved
14 Lifejackets were removed from the vessel. Lifejackets were worn/damaged and no longer serviceable. Manning will be reduced from 19 passengers to 5 passengers and 2 crew until new lifejackets are available.
07 - Fire Safety › N/A - No Subsystem › Remote Means of control (opening,pumps,ventilation,etc.) Machinery spaces
Issued 12 May 2020
Resolved
Emergency Fuel Shut-off was not labeled. Vessel owner shall label the location of the Emergency fuel shut-off location on the vessel.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)
Issued 28 February 2020
Resolved
Shaft Bearing (Cutlass) worn past 50%. Vessel owner shall replace the bearing prior to vessel being placed back into service from DryDock.
02 - Structural Conditions › N/A - No Subsystem › Other (Structural condition)
Issued 28 February 2020
Resolved
Weld on the Star board side approx. 16" aft of the bow the weld is cracked.
02 - Structural Conditions › N/A - No Subsystem › Other (Structural condition)
Issued 28 February 2020
Resolved
Welds at collision bulk head fram cracked. Vessel owner shall repair prior to dry dock completion.
Construction/Loadline › Hull › Transverse Frame
Issued 19 April 2017
Resolved
Frame just under helm fractured at intersection of floor to side frame, drill stop for temp repair effect permanent repair at dry dock in winter
Lifesaving › Buoyant Apparatus › Floating Electric Waterlight
Issued 18 April 2016
Resolved
The buoyant apparatus waterlight lanyard was found in deteriorated condition. Replace lanyard IAW 46 CFR 180.175(f)(4).
Lifesaving › Buoyant Apparatus › Painter
Issued 18 April 2016
Resolved
The buoyant apparatus painter was found in deteriorated condition. Replace painter IAW 46 CFR 180.175(f)(3).
Electrical › Electrical Distribution System (service) › Wiring
Issued 6 April 2009
Resolved
Provide proper supports on wiring in engine compartment.
Electrical › Electric Supply System (service) › Battery Installation
Issued 6 April 2009
Resolved
Provide battery box for auxiliary battery
Fire Fighting › Fire Main › Material
Issued 6 April 2009
Resolved
Remove installed garden type hose and replace with approved piping.
Operations/Management › Drills/Instruction › Man Overboard Recovery
Issued 6 April 2009
Resolved
Conduct man overboard and fire drill
Lifesaving › Buoyant Apparatus › Lifeline
Issued 30 March 2007
Resolved
Repair D-ring on Bouant apparatus.
Engineering › Freshwater System (jacketwater cooling) › Hose
Issued 7 April 2006
Resolved
Attach double hose clamps to three cooling water hoses.
Lifesaving › Lifejacket/PFD (General) › Retroreflective Material
Issued 27 April 2005
Resolved
Need to replace the retro on the tops of two adults life jackets.
Fire Fighting › Fire Bucket › Stenciling
Issued 27 April 2005
Resolved
Need to stensil the 3 fire buckets on board.
Electrical › Lighting (service) › Lighting Fixture
Issued 27 April 2005
Resolved
Vessels compass light does not turn on, the bulb looks sat.
Engineering › Steering Gear System › Rudder
Issued 23 February 2005
Resolved
Several cracks were found on the rudder along existing welds.
Electrical › Electrical Distribution System (service) › Wiring
Issued 18 February 2005
Resolved
Wiring was suspended in overhead of engine compartment with plastic ties.
Operations/Management › Bilge/Bilge System Management › Control of Oil Mixtures
Issued 18 February 2005
Resolved
Hydraulic reservoir/seal ruptured during winter freeze placing all of the oil into the bilge.
Electrical › Electric Supply System (service) › Battery Installation
Issued 18 February 2005
Resolved
Batteries did not have straps to hold them in palce.
Engineering › Diesel Engine (propulsion-reduction gear) › Piping (exhaust)
Issued 18 February 2005
Resolved
Exhaust lagging on turbocharger is wasted and worn. Replacement is needed as well as all the piping between the engine and the water injection point surrounding the turbo charger.
Communications › Radio Communications
Issued 27 April 2004
Resolved
Ensure vessel's radios are serviced as per the Great Lakes Radio agreement.
Electrical › Electric Supply System (service)
Issued 27 April 2004
Resolved
Properly wire shore tie and A/C battery charger. LEGACY COMPONENT DESC: Battery Charger
Electrical › Electric Supply System (service)
Issued 27 April 2004
Resolved
Properly secure hanging wire in forward cabin.
Engineering › Steering Gear System
Issued 27 April 2004
Resolved
Tighten leaking hydraulic steering pump fittings.
LEGACY COMPONENT DESC: Pump
Engineering › Diesel Engine (propulsion-direct drive)
Issued 27 April 2004
Resolved
Replace or repair engine RPM gauge. LEGACY COMPONENT DESC: RPM Gauge
Lifesaving › Lifejacket/PFD (Type I)
Issued 24 April 2003
Resolved
Removed one life jacket from service due to large gouge in head hole area.
Navigation
Issued 5 April 2000
Resolved
REPAIR OR REPLACE INOP HORN.
Lifesaving
Issued 5 April 2000
Resolved
REPLACE TWO BROKEN CABIN WINDOWS.
Casualty record · 1
17 May 2008Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 3240689
Each line is an incident investigation the Coast Guard recorded with this hull among the vessels involved, with the date and the classification the Coast Guard gave it, and the bridge, lock or dam the investigation names where it names one. Involvement is not fault. The investigation narrative is not published. Source: IIR, through 2026.
Ownership record
The Coast Guard's documentation record for this hull -- the Abstract of Title,
with its owners and liens as filed -- is not in PSIX. Ask, and Maury buys it from the National
Vessel Documentation Center, files it here with its date, and every reader of this page gets it.