At 35,975 gross tons, «Northern Defender» is the 15,728th 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 6.0 times the typical vessel on record here. The largest measures 499,167 GT.
Among the 3,881 container ships held here, it ranks 1,779th by tonnage — larger than 52% of that group. Their median tonnage is 33,698 GT, and the largest tenth begin at 140,096 GT. The flag most often flown by this group is Liberia (498 ships). The yard that appears most often against it is HD Hyundai Heavy Industries, with 348 hulls on record.
Antigua and Barbuda is the country of registry for 734 vessels in this directory, of which «Northern Defender» is the 7th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (372 ships), and the median vessel measures 6,351 GT. Browse every ship flagged Antigua and Barbuda.
Narrowing to both dimensions at once, this registry holds 93 container ships flying the Antigua and Barbuda flag, of which 2 are larger by tonnage.
«Northern Defender» was built in 2007, making it 19 years old. It is one of 2,469 hulls in this registry delivered that year, a cohort whose median tonnage is 8,473 GT; within it this ship is the 518th largest. Across the whole of the 2000s the registry holds 18,605 vessels, median 9,957 GT. The median build year across the entire registry is 1995.
At 231.0 m overall, «Northern Defender» is 9.4 m longer than the 221.6 m median for container ships on record and a draft of 12.0 m.
IMO numbers are issued in broadly chronological blocks. Within 500 either side of 9329643 this registry holds 59 other vessels, whose median build year is 2006 and which range from 2004 to 2013. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 2007.
Its IMO number, 9329643, carries its own check digit. The first six digits are weighted seven down to two and summed — 9×7 + 3×6 + 2×5 + 9×4 + 6×3 + 4×2 = 153 — and the last digit of that total, 3, must equal the seventh digit, 3. It does, so this number is well formed.
