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TRILOGY IV
Passenger (Inspected) · Passenger Ship class · Built 2010s · USCG Oceania District (CGD-O) · Other hulls named TRILOGY IV
TRILOGY IV is a 2018 passenger vessel (inspected). The Coast Guard has recorded 26 inspections since 2017, most recently in May 2026, along with 24 deficiencies and 1 casualty investigation in 2021.
Records from 2017 to 2026. Most recent: inspection, 6 May 2026.
- Built
- 2018
- Last inspected
- 6 May 2026
- Documentation
- Valid · documentation file of 10 September 2026
- Deficiencies
- 24 recorded · 0 without a recorded resolution
- Controls
- None recorded without a removal date
- Casualties
- 1 investigation · 2021
Identity
1288365
WDK4319
1480053
Flag
UNITED STATES
368053970
Maury page id
psix-1480053
Inspections, by type
…with no type recorded1
Years with a record
10 calendar years (2017–2026)
The 26 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)65.0 ft × 29.0 ft × 7.0 ft
Registered tonnagegross 18 / net 16
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderGOLD COAST YACHTS INC · ST CROIX, VI, UNITED STATES · built 2018
Hull materialFRP (Fiberglass)
PropulsionAuxiliary Sail
Hull shapeSail (Faired Keel)
Hull configurationTwin Hull
Hailing portLAHAINA, HI
Trade endorsementsCoastwise, unrestricted, Recreational
DocumentationValid · issued 14 April 2026 · expires 31 May 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 it16 - Simplified, Net Ton
17 - Dead Weight, Gross Ton
26 - Displacement, Ton
18 - Simplified, Gross Ton
17 - Dead Weight, Gross Ton
26 - Displacement, Ton
18 - Simplified, Gross 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
WDK4319MMSI 368053970 · active · compulsorily equipped · granted 9 August 2018, expires 9 August 2028
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 · 26
6 May 2026
Drydock Exam
Physical examination · OP location-Sector Honolulu Prevention Department- Kailua Kona · USCG Oceania District (CGD-O) · Activity 8368252
5 November 2025
Annual Inspection · Deficiency Check
Physical examination · OP location-Sector Honolulu Prevention Department- Wailuku · USCG Oceania District (CGD-O) · Activity 8264723
1 January 2025
Deficiency Check · Administrative Inspection
Physical examination · OP location-Sector Honolulu Prevention Department- Wailuku · USCG Oceania District (CGD-O) · Activity 8063736
21 November 2024
Annual Inspection · Deficiency Check
Physical examination · OP location-Sector Honolulu Prevention Department- Wailuku · USCG Oceania District (CGD-O) · Activity 8037921
1 May 2024
Deficiency Check · Internal Structural Exam · Drydock Exam
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7904097
16 February 2024
Special Consideration
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7929737
15 November 2023
COI Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7825350
30 November 2022
Annual Inspection · Deficiency Check
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7601638
18 May 2022
Examination of Repairs · Drydock Exam
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7484412
7 December 2021
Annual Inspection · Deficiency Check
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7363627
26 October 2021
Type not recorded
No type recorded · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7342881
8 April 2021
Deficiency Check · DAPI Audit
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7172237
8 December 2020
Annual Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 7108032
27 May 2020
Drydock Exam · Internal Structural Exam
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6962078
3 December 2019
Administrative Inspection · Deficiency Check
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6866718
20 November 2019
Annual Inspection · Administrative Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6861019
17 October 2019
Deficiency Check · Administrative Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6837515
9 September 2019
Administrative Inspection
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6807951
15 May 2019
Administrative Inspection
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6686066
7 February 2019
Administrative Inspection · Deficiency Check
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6621786
21 December 2018
Deficiency Check · Administrative Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6601799
10 December 2018
Administrative Inspection
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6595440
28 November 2018
COI Inspection · DAPI Audit · Administrative Inspection
Physical examination · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6587957
20 November 2018
Administrative Inspection
Administrative · Sector Honolulu · USCG Oceania District (CGD-O) · Activity 6583895
9 March 2018
Administrative Inspection
Administrative · Sector Miami · USCG Southeast District (CGD-SE) · Activity 6369156
3 November 2017
Deadweight Survey · Construction Oversight · Administrative Inspection
Physical examination · Resident Inspection Office St. Croix · USCG Southeast District (CGD-SE) · Activity 6300803
Deficiency record · 24
07 - Fire Safety › N/A - No Subsystem › Fire pumps and its pipes
Issued 5 November 2025
Resolved
On a vessel of more than 65 feet in length carrying more than 49 passengers, the minimum capacity of the fire pump must be 50 gallons per minute at a pressure on not less than 60 PSI at the pump outlet. The starboard fire pump does not provide adequate outlet pressure as witnessed in the hose/nozzle and readings on the fire pump gauge. Vessel carriage capacity reduced to 49 passengers as allowed with pre - engineered fixed fire extinguishing system, fire buckets and electric submersible bilge pumps installed on board vessel. Provide fire pump with required gauge pressure reading 60 psi at the pump outlet. 46 CFR 181.300(b)
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 5 November 2025
Resolved
All machinery and equipment must be installed and maintained in such a manner as to afford adequate protection from causing fire, explosion, machinery failure, and personnel injury. Exhaust leak located on port engine exhaust system. Repair exhaust piping to provide leak free exhaust system from port engine. 46 CFR 182.100
03 - Water/Weathertight Conditions › N/A - No Subsystem › Railing, gangway, walkway and means for safe passage
Issued 5 November 2025
Resolved
Deck rails must be designed and constructed to withstand a point load of 200 pounds applied at any point in any direction. Stanchions on port and starboard deck rails found with small fractures at gusset attachment point. Deck rail stanchion repairs required. 46 CFR 177.900(b)
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Bilge pumping arrangements
Issued 21 November 2024
Resolved
Machinery and equipment installed on each vessel must be suitable for the vessel and its operation and for the purpose intended. Port fixed bilge pump inoperable. Requires repair/renewal. Carriage capacity for for passengers on board vessel reduced to 49 persons until fixed port bilge is repaired. 46 CFR 182.100
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)
Issued 21 November 2024
Resolved
Materials used in piping systems must meet the requirements of this subpart and be otherwise acceptable to the cognizant [name withheld] and starboard hydraulic steering hose in way of steering assembly worn and wasted near end fitting. Aft portion of hose requires renewal. 46 CFR 182.700
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 21 November 2024
Resolved
All machinery and equipment must be installed and maintained in such a manner as to afford adequate protection from causing fire, explosion, machinery failure, and personnel injury. Port and starboard oil reservoir/valve cover cracked on both engines. Requires replacement. 46 CFR 182.100
07 - Fire Safety › N/A - No Subsystem › Fire detection and alarm system
Issued 15 November 2023
Resolved
All fiber reinforced plastic vessels constructed with general purpose resins must be fitted with a smoke activated fire detection system of an approved type (meeting 46 CFR 181.450), installed in accordance with 76.27 in subchapter H of this chapter in accommodation spaces and service spaces. Vessel does not have interconnected fire detection system for required spaces. Interconnected fire detection system must be in compliance with 46 CFR 181.450. Provide approved interconnected fire detection system and install to the satisfaction of the attending marine inspector.
46 CFR 177.410(c)(3)(ii)
99 - Other › N/A - No Subsystem › Other (Safety in general)
Issued 30 November 2022
Resolved
Sail Rigging Preventative Maintenance Plan (PMP) must be updated and onboard vessel at all times. PMP not currently updated or on vessel. Provide full rigging inventory of all old and new rigging components, inspections, and rigging details. Ensure to log all inspections in accordance with vessel PMP. Keep copy of PMP on board vessel at all times and submit revised version of PMP to [name withheld].
46 CFR 176.802
07 - Fire Safety › N/A - No Subsystem › Fire fighting equipment and appliances
Issued 30 November 2022
Resolved
Fire pump outlet must be fitted with a pressure gauge. Gauge not operational and valve handle could not fully open. Provide operational gauge and ensure valve handle not obstructed.
46 CFR 181.300
01 - Certificates & Documentation › 012 - Crew Certificates › Certificates for master and officers
Issued 7 December 2021
Resolved
Each ship transporting more that six passengers for hire equipped with a radiotelephone station must carry a radio operator who: holds a marine radio operator permit or higher class license. Master onboard did not have a valid radio operator permit.
47 CFR 80.158 (e)
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 7 December 2021
Resolved
The discharge ends of fuel tank vent pipes must be fitted with removable flame screens or flame arresters. The flame screens must consist of a single screen of corrosion resistant wire of at least 30 x 30 mesh. Port and starboard fuel vents missing flame screens.
09 - Working and Living Conditions › 091 - Living Conditions › Other (crew and accommodation)
Issued 7 December 2021
Resolved
An independent modular smoke detecting units must: contain an independent power source. Smoke detection units were not operational. Provide UL 217 approved, operational smoke detectors.
46 CFR 181.450(2)
99 - Other › N/A - No Subsystem › Other (Safety in general)
Issued 8 April 2021
Resolved
An EAP training program must be conducted for the employer's crewmembers and supervisory personnel. The training program must include at least the following elements: the effects and consequences of drug and alcohol use on personal health, safety, and work environment; the manifestations and behavioral cues that may indicate drug and alcohol use and abuse; and documentation of training given to crewmembers and Supervisory personnel must receive at least 60 minutes of training. Provide proof of completed EAP training for all personnel.
07 - Fire Safety › N/A - No Subsystem › Ventilation
Issued 20 November 2019
Resolved
Port engine compartment ventilation closure did not close completely. Prove correct operation of closure in accordance with 46 CFR 176.810.
03 - Water/Weathertight Conditions › N/A - No Subsystem › Railing, gangway, walkway and means for safe passage
Issued 15 May 2019
Resolved
Stern deck rails are attached to hinged seating and are not fixed. Provide fixed rails in accordance with 46 CFR 177.900.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Bilge pumping arrangements
Issued 28 November 2018
Resolved
Bilge pumping arrangements. Vessel is required to meet the bilge requirements of 46 CFR 182.520(a). 8 submersible pumps are installed. Arrangement does not meet the requirements of 46 CFR 182.520(a).Vessel Limited to 49 passengers.
11 - Life Saving Appliances › N/A - No Subsystem › Operation of Life Saving Appliances
Issued 28 November 2018
Resolved
Operation of Life Saving Appliances. Lifefloats are required to float free when vessel sinks in accordance with 46 CFR 180.130(a)(2). Lifefloats are not in a satisfactory float free arrangement in accordance with 46 CFR 176.402(d)(1).
11 - Life Saving Appliances › N/A - No Subsystem › Operation of Life Saving Appliances
Issued 28 November 2018
Resolved
Operation of Life Saving Appliances. Weak link for lifefloat must be rated for size of the lifefloat in accordance with 46 CFR 180.137(b)(2). Starboard lifefloats consist of 2 10 person lifefloats chained together. Lifefloats are attached to the vessel with a 22 person capacity weak link.
11 - Life Saving Appliances › N/A - No Subsystem › Operational readiness of lifesaving appliances
Issued 28 November 2018
Resolved
Operational Readiness of Lifesaving Appliances. Lifefloats stowed in tiers are required to have spacers between units in accordance with 46 CFR 180.137(f). Lifefloats stowed in tiers do not have spacers.
07 - Fire Safety › N/A - No Subsystem › Fire pumps and its pipes
Issued 28 November 2018
Resolved
Fire pumps and pipes. Vessels carrying more than 49 passengers must be equipped with a 50 gallon per minute, 60 pounds per square inch at the outlet fire pump in accordance with 46 CFR 181.300(b). Fire pump did not provide 60 pounds per square inch at the outlet.
09 - Working and Living Conditions › 092 - Working Conditions › Electrical
Issued 28 November 2018
Resolved
Electrical. Overcurrent protection must be provided for each ungrounded conductor in accordance with 46 CFR 183.380(a). Breaker in 12VDC system protecting four batteries operating in parallel does not provide appropriate protection in the event of a short circuit as noted in Marine Safety Center Letter E2-1803876.
09 - Working and Living Conditions › 092 - Working Conditions › Electrical
Issued 28 November 2018
Resolved
Electrical. Crew and passengers are to be protected from electric shock and fire hazards caused by electrical equipment in accordance with 46 CFR 183.200. Positive and negative battery terminals are exposed under helm storage area.
13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Propulsion main engine
Issued 28 November 2018
Resolved
Propulsion Main Engine. Vital piping systems including propulsion system and auxiliaries must be composed of ferrous materials in accordance with 46 CFR 182.710(c)(1). Sea strainers for propulsion engines have non-metallic casings.
07 - Fire Safety › N/A - No Subsystem › Other (fire safety)
Issued 28 November 2018
Resolved
Other,Fire Safety. Fuel tank vent discharges must be fitted with removable 30x30 flame screens in accordance with 46 CFR 182.450(e). Flame passed through mesh when removed and tested.
Casualty record · 1
26 October 2021Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 7342881
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.