Shearwater

At 342 gross tons, Shearwater is the 77,085th 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 18 times smaller than the typical vessel on record here. The largest measures 499,167 GT.

Among the 58,086 vessels this registry holds no type classification for held here, it ranks 44,126th by tonnage — larger than 11% of that group. Their median tonnage is 5,358 GT, and the largest tenth begin at 54,309 GT. The flag most often flown by this group is Panama (5,698 ships). The yard that appears most often against it is HD Hyundai Mipo, with 615 hulls on record.

United Kingdom is the country of registry for 2,394 vessels in this directory, of which Shearwater is the 1,665th largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (1,835 ships), and the median vessel measures 2,515 GT. Browse every ship flagged United Kingdom.

Narrowing to both dimensions at once, this registry holds 1,835 vessels this registry holds no type classification for flying the United Kingdom flag, of which 1,265 are larger by tonnage.

Shearwater was built in 1968, making it 58 years old. It is one of 536 hulls in this registry delivered that year, a cohort whose median tonnage is 769 GT; within it this ship is the 310th largest. Across the whole of the 1960s the registry holds 4,074 vessels, median 844 GT. The median build year across the entire registry is 1995.

The registry attributes 59 vessels to Appledore Shipbuilders, with a median tonnage of 2,985 GT, delivered between 1956 and 2003. See the rest of that yard’s output.

At 37.0 m overall, Shearwater is 78.0 m shorter than the 115.0 m median for vessels this registry holds no type classification for on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 6822216 this registry holds 11 other vessels, whose median build year is 1968 and which range from 1925 to 1969. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1968.

Its IMO number, 6822216, carries its own check digit. The first six digits are weighted seven down to two and summed — 6×7 + 8×6 + 2×5 + 2×4 + 2×3 + 1×2 = 116 — and the last digit of that total, 6, must equal the seventh digit, 6. It does, so this number is well formed.