IMO 9158903

At 156,692 gross tons, IMO 9158903 is the 1,108th largest of the 84,014 vessels in this registry that report a tonnage. The median across that set is 5,994 GT, so this hull is about 26 times the typical vessel on record here. The largest measures 499,167 GT.

Among the 3,060 oil tankers held here, it ranks 244th by tonnage — larger than 92% of that group. Their median tonnage is 22,184 GT, and the largest tenth begin at 149,274 GT. The flag most often flown by this group is Panama (301 ships). The yard that appears most often against it is HD Hyundai Mipo, with 190 hulls on record.

IMO 9158903 was built in 1998, making it 28 years old. It is one of 1,367 hulls in this registry delivered that year, a cohort whose median tonnage is 7,381 GT; within it this ship is the 6th largest. Across the whole of the 1990s the registry holds 12,006 vessels, median 4,956 GT. The median build year across the entire registry is 1995.

The registry attributes 1,092 vessels to HD Hyundai Heavy Industries, with a median tonnage of 65,131 GT, delivered between 1970 and 2025. See the rest of that yard’s output.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9158903 this registry holds 74 other vessels, whose median build year is 1997 and which range from 1996 to 2000. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1998.

Its IMO number, 9158903, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 1×6 + 5×5 + 8×4 + 9×3 + 0×2 = 153 — and the last digit of that total, 3, must equal the seventh digit, 3. It does, so this number is well formed.