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PETER M MAHONEY

Offshore Supply Vessel · Offshore class · Built 1990s · USCG Northeast District (CGD-NE) · Other hulls named PETER M MAHONEY

PETER M MAHONEY is a 1998 offshore supply vessel. The Coast Guard has recorded 25 inspections since 1998, most recently in April 2024, along with 27 deficiencies and 2 casualty investigations between 2011 and 2013.

Records from 1998 to 2024. Most recent: inspection, 16 April 2024.

Built
1998
Last inspected
16 April 2024
Documentation
Valid · documentation file of 10 September 2026
Inspections
25
Deficiencies
27 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
2 investigations · 2011–2013
Also recorded as
1 other name

Identity

US Official No.
1062381
IMO number
8964795 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
WDN6872
MISLE id
469291
Flag
UNITED STATES
MMSI
368303220
Maury page id
psix-469291

Inspections, by type

…physical examinations19
…administrative events2
…with no type recorded4
Years with a record 17 calendar years (1998–2024)
The 25 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 Offshore class in Maury's sources begin in 1978.

Documentation record

Registered dimensions (L × B × D)129.6 ft × 36.0 ft × 12.0 ft
Registered tonnagegross 95 / net 65
ITC dimensions (L × B × D)129.6 ft × 36.0 ft × 12.0 ft
ITC tonnagegross 439 / net 131
BuilderMASTER BOAT BUILDERS INC · CODEN, AL, UNITED STATES · built 1998
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portBOSTON, MA
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 22 November 2025 · expires 31 December 2026
Service, as the file records itOffshore Supply Vessel
Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it95 - Regulatory (Subpart C or D), Gross Ton
439 - Convention (Subpart B), Gross Ton
65 - Regulatory (Subpart C or D), Net Ton
131 - Convention (Subpart B), Net Ton
783 - Displacement, Ton
355 - Dead Weight, 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

WDN6872MMSI 368303220 · active · compulsorily equipped · granted 21 March 2023, expires 21 March 2033
WDF9377MMSI 367504520 · expired · compulsorily equipped · granted 21 September 2011, cancelled 27 November 2021
WCY6639MMSI 366755230 · expired · compulsorily equipped · granted 26 August 2008, cancelled 27 October 2018 · licensed under a name not among this hull’s recorded names (not shown)
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 · 25

16 April 2024 Administrative Inspection
Administrative · Sector Boston · USCG Northeast District (CGD-NE) · Activity 7927789
3 April 2024 COI Inspection · Deficiency Check
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7889206
26 June 2023 Internal Structural Exam · Hull Examination · Examination of Repairs
Physical examination · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 7681604
23 March 2021 Administrative Inspection
Administrative · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 7161486
9 September 2019 Annual Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6807195
11 June 2018 MTSA Verification · COI Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6440748
8 May 2018 Hull Examination · Administrative Inspection · Internal Structural Exam · Cargo Tank Internal
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 6409310
14 October 2014 Periodic Inspection · Administrative Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 5002875
10 August 2011 COI Inspection · MTSA Verification
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4110510
11 July 2011 Hull Examination · Cargo Tank Internal · Internal Structural Exam · Examination of Repairs
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 4078195
29 April 2009 MTSA Verification · Re-Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3467096
4 April 2008 Deficiency Check · Cargo Tank Internal · Examination of Repairs · Hull Examination · Re-Inspection · Internal Structural Exam
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 3184464
9 August 2006 MTSA Verification · Annual Inspection · Administrative Inspection
Physical examination · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 2741792
12 June 2006 Examination of Repairs · Hull Examination · Internal Structural Exam
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 2677555
15 April 2004 Annual Inspection
Physical examination · MSU LAKE CHARLES · USCG Heartland District (CGD-H) · Activity 2044606
28 May 2003 Hull Examination · Re-Inspection · Cargo Tank Internal
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 1803782
26 November 2002 Type not recorded
No type recorded · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 1711036
10 October 2002 Type not recorded
No type recorded · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 1710903
1 April 2002 Re-Inspection
Physical examination · Marine Safety Unit Houma · USCG Heartland District (CGD-H) · Activity 1598817
5 June 2001 Hull Examination · Re-Inspection
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1472934
31 May 2000 COI Inspection
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1389101
14 July 1999 Re-Inspection
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1426240
3 May 1999 Type not recorded
No type recorded · MSO Mobile · USCG Heartland District (CGD-H) · Activity 82694
7 August 1998 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 137627
9 June 1998 Initial Construction-Excluding Oversight · Hull Examination · Initial Certification
Physical examination · MSO Mobile · USCG Heartland District (CGD-H) · Activity 1431995

Deficiency record · 27

13 - Propulsion and Auxiliary Machinery › N/A - No Subsystem › Other (machinery)
Issued 9 September 2019 Resolved
Cap nut for the starboard reach rod for the fuel shut off valve is wasted. Replace wasted cap nut for the starboard fuel reach rod and ensure appropriate markings are made to identify reach rod. Ensure cap nut is hand tight until nut is replaced.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 September 2019
Resolved 12 September 2019
Resolution: Repairs verified
14 - Pollution Prevention › 141 - MARPOL Annex I › Oil fuel tank protection
Issued 9 September 2019 Resolved
Replaced wasted 30x30 mesh flame screen on the starboard fuel running tank and dirty oil tank.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 September 2019
Resolved 12 September 2019
Resolution: Flame screens replaced.
07 - Fire Safety › N/A - No Subsystem › Fire fighting equipment and appliances
Issued 9 September 2019 Resolved
Replace wasted CO2 extinguishing hose located on the paint locker.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 September 2019
Resolved 12 September 2019
Resolution: Hose replaced
04 - Emergency Systems › N/A - No Subsystem › Functionality of Safety Systems
Issued 9 September 2019 Resolved
Repair or replace inoperable general emergency visual indicator in the engine room and ensure that visual and audible general emergency indicators have the appropriate placard.
Condition: Improper/Lack of Maintenance
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 September 2019
Resolved 10 September 2019
Resolution: Light repalced and verified.
10 - Safety of Navigation › N/A - No Subsystem › Charts
Issued 9 September 2019 Resolved
Vessel did not maintain approach charts. Ensure charts are on board and corrected with the lastest Notice to Mariners.
Condition: Invalid
Action required: 16 - Rectify deficiencies w/in 14 days
Due 23 September 2019
Resolved 12 September 2019
Resolution: Old Charts removed/ repalced with new.
Navigation › Collision/Grounding Avoidance › Navigation Lights
Issued 14 October 2014 Resolved
Demonstrate proper operation of secondary bulb of masthead light.
Condition: Improper/Lack of Maintenance
Due 17 October 2014
Resolved 16 October 2014
Resolution: Vessel rep provided picture of operable masthead light.
Engineering › Compressed Air System (start air) › Control Gear
Issued 14 October 2014 Resolved
Provide operable starting-air assembly on STBD generator.
Condition: Improper/Lack of Maintenance
Due 17 October 2014
Resolved 16 October 2014
Resolution: Vessel rep provided receipt showing new assembly for vessel.
Engineering › Steering Gear System › Rudder Angle Indicator
Issued 29 April 2009 Resolved
Show proper operation of rudder angle indicator.
Action required: 17 - Rectify deficiencies prior to departure
Resolved 29 April 2009
Communications › Radio Communications › Emergency Source of Power
Issued 29 April 2009 Resolved
Provide SSB on emergency power.
Action required: 17 - Rectify deficiencies prior to departure
Resolved 29 April 2009
Documentation › Logs/Records › Logbook (official)
Issued 29 April 2009 Resolved
Log draft markin in the ships log with pre-departure check.
Action required: 705 - Other - as specified
Due 29 April 2010
Resolved 29 April 2009
Engineering › Pressure Vessel › Relief Valve
Issued 29 April 2009 Resolved
Place new relief valves on both air receivers.
Action required: 705 - Other - as specified
Due 29 May 2009
Resolved 12 July 2011
Engineering › Steering Gear System › Rudder Angle Indicator
Issued 4 April 2008 Resolved
Show proper operation of rudder angle indicator.
Due 21 April 2008
Resolved 21 April 2008
Navigation › Piloting/Steering › Deviation Table/Graph
Issued 4 April 2008 Resolved
Renew compass deviation card
Due 21 April 2008
Resolved 21 April 2008
Engineering › Steering Gear System › Piping
Issued 4 April 2008 Resolved
Provide steering fear instruction placard at manual steering station
Due 21 April 2008
Resolved 21 April 2008
Lifesaving › Lifebuoys › Self-igniting Lights
Issued 4 April 2008 Resolved
Replace light on lifering for stbd side
Due 21 April 2008
Resolved 21 April 2008
Electrical › Electrical Distribution System (service) › Cable
Issued 4 April 2008 Resolved
Remove dead-end wiring from engine room.
Due 21 April 2008
Resolved 21 April 2008
Documentation › Certificates/Documents › Certificate of Documentation (CG-1270)
Issued 15 April 2004 Resolved
COD was enroute to vessel, but not on board. Vessel representative is to provide evidence that vessel has obtained documentation.
Due 14 May 2004
Resolved 31 May 2005
Accommodation/Occupational Safety › Medical/First Aid › Medicine Chest
Issued 15 April 2004 Resolved
Replace or replinish medical First Aid kits on board vessel.
Due 14 May 2004
Resolved 31 May 2004
Engineering › Shafting/Propeller Arrangements › Coupling
Issued 15 April 2004 Resolved
Double nut port shaft coupling
Due 14 May 2004
Resolved 31 May 2004
Electrical › Electrical Distribution System (service) › Junction Box
Issued 15 April 2004 Resolved
Properly enclose electrical junction boxes throughout engine room.
Due 14 May 2004
Resolved 31 May 2004
Electrical › Lighting (service) › Lighting Fixture
Issued 15 April 2004 Resolved
Replace metallic cage around glass globe iwo port side tank alleyway
Due 14 May 2004
Resolved 31 May 2004
Communications › Radio Communications › EPIRB
Issued 3 June 2003 Resolved
Renew battery on EPIRB.
Action required: 17 - Rectify deficiencies prior to departure
Due 3 July 2003
Resolved 9 June 2003
Deck/Cargo › Cargo Transfer/Lightering (liquid) › Cargo Pump
Issued 3 June 2003 Resolved
Repair liquid mud pump prior to operating.
Action required: 701 - Prior to carriage of passengers/cargo
Due 3 July 2003
Resolved 9 June 2003
Fire Fighting › Fixed CO2 Fire Extinguishing System › Quantity of CO2
Issued 3 June 2003 Resolved
Provide proper CO2 system for paint locker.
Action required: 705 - Other - as specified
Due 3 July 2003
Resolved 9 June 2003
Navigation
Issued 9 June 1998 Resolved
VESSEL TO HAVE ON BOARD PUBLICATIONS, CHARTS, AND TABLES AS REQIUIRED BY 46CFR 130.330. REQUIREMENT TO BE COMPLETED PRIOR TO PLACEING THE VESSEL INTO OPERATION.
Condition: Unknown
Due 9 July 1998
Resolved 11 August 1998
Construction/Loadline
Issued 9 June 1998 Resolved
REMOVE EXCESSIVE HULL PENETRATIONS FOR S/S GENERATOR'S KEEL COOLERS AND INSERT HULL IN WAY OF CUTOUTS TO THE SATISFACTION OF THE ATTENDING MARINE INSPECTOR AT THE VESSELS NEXT DRYDOCK BUT IN NO CASE LATER THAN 09JUN01.
Condition: Unknown
Due 9 June 1998
Resolved 9 June 1998
Lifesaving
Issued 9 June 1998 Resolved
VESSEL SHALL CONDUCT FIRE, ABANDON SHIP, AND MAN OVERBOARD DRILLS AS REQUIRED BY 46 CFR 131.530 AND 131.535. REQUIREMENT TO BE COMPLETED PRIOR TO PLACING VESSEL IN OPERATION.
Condition: Unknown
Due 9 July 1998
Resolved 11 August 1998

Casualty record · 2

20 October 2011Routine · role: Involved in a Marine Casualty · at OLD HWY. 182 BRIDGE (ALLEN LONG BRIDGE) · activity 4173105
15 December 2013Routine · role: Involved in a Marine Casualty · activity 4772185
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.

Recorded names · 1

GIS DYLAN (2011–2013). Names as the Coast Guard recorded them in incident records, with the years they appear; some are renames and some are spelling variants.

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.