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550

550 is a 1962 tank barge. The Coast Guard has recorded 20 inspections since 1986, most recently in March 1995, along with 4 deficiencies.

Records from 1986 to 1995. Most recent: inspection, 23 March 1995.

Built
1962
Last inspected
23 March 1995
Documentation
Valid · documentation file of 10 September 2026
Controls
None recorded without a removal date

Identity

Flag
UNITED STATES
—
Maury page id
psix-44380

Inspections, by type

…with no type recorded7
Years with a record 10 calendar years (1986–1995)
The 20 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.

This record may be incomplete: the most recent inspection recorded for this vessel was 31 years ago. Maury shows what the Coast Guard recorded, not whether the vessel has been inspected since, is still in service, or what condition it is in. 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 Barge class in Maury's sources begin in 1972.

Documentation record

Registered dimensions (L × B × D)252.1 ft × 42.0 ft × 14.0 ft
Registered tonnagegross 2,066 / net 2,066
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderGUNDERSON BROS ENGINEERING CORP · PORTLAND, OR, UNITED STATES · built 1962
Hull materialSteel
PropulsionNot recorded
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portPORTLAND, OR
Trade endorsementsCoastwise, unrestricted
DocumentationValid · issued 24 August 2026 · expires 30 September 2027
Service, as the file records itTank Barge
Hull formbarge (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it2066 - Regulatory (Subpart C or D), Gross Ton
2066 - Regulatory (Subpart C or D), 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

No FCC ship-station licence is recorded against this Official Number in the file of 6 September 2026. That is a fact about the licence file, not about the radio.

Inspection history · 20

23 March 1995 Administrative
Administrative · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 856699
1 February 1994 COI Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1405487
19 September 1993 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 494413
22 July 1993 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 468574
23 February 1993 Re-Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1373793
18 February 1992 COI Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 946314
8 February 1991 Re-Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 917909
28 March 1990 Examination of Repairs · Damage Survey
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1238632
26 February 1990 Hull Examination · COI Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1220114
14 August 1989 Damage Survey
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1040087
28 June 1989 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 456517
28 February 1989 Re-Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 888863
22 May 1988 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 518538
19 February 1988 COI Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1336821
4 November 1987 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 479398
28 October 1987 Administrative
Administrative · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1324925
10 June 1987 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 509232
21 April 1987 Re-Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 1333022
8 October 1986 Type not recorded
No type recorded · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 446338
21 February 1986 COI Inspection
Physical examination · MSO PORTLAND, OREGON · USCG Northwest District (CGD-NW) · Activity 986749

Deficiency record · 4

Construction/Loadline
Issued 1 February 1994 Resolved
AFT STBD LIST TANK HATCH GASKET IS WORN EXCESSIVELY. RENEW PRIOR TO TRANSITTING VESSEL.
Condition: Unknown
Due 1 February 1994
Resolved 1 February 1994
Construction/Loadline
Issued 1 February 1994 Resolved
VENT SCREEN FOR BOW RAKE VENT SYSTEM WAS CLOGGED DUE TO IMPROPER_x001C_ MAINTENANCE PROCEDURES. CLEAN VENT SCREEN AND SHOW PROOF OF MAINTENANCE TOTHE SATISFACTION OF THE ATTENDING MARINE INSPECTOR.
Condition: Unknown
Due 1 February 1994
Resolved 1 February 1994
Construction/Loadline
Issued 1 February 1994 Resolved
#5 PORT CARGO HATCH GASKET IS WORN EXCESSIVELY. RENEW PRIOR TO TRANSFERRING CARGO.
Condition: Unknown
Due 1 February 1994
Resolved 1 February 1994
Deck/Cargo
Issued 1 February 1994 Resolved
#2 STBD CARGO VENT FLAME SCREEN IS APPROXIMATELY 60% COATED WITH RED PAINT DUE TO CARELESS PAINTING PROCEDURES. CLEAN OR REPLACE SCREENS IN VENT PRIOR TO TRANSFERRING CARGO.
Condition: Unknown
Due 1 February 1994
Resolved 1 February 1994

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.