Mary Burke Liles

At 265 gross tons, Mary Burke Liles is the 79,111th 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 23 times smaller than the typical vessel on record here. The largest measures 499,167 GT.

Among the 1,471 tugs held here, it ranks 860th by tonnage — larger than 31% of that group. Their median tonnage is 393 GT, and the largest tenth begin at 1,733 GT. The flag most often flown by this group is United States (239 ships). The yard that appears most often against it is Damen Shipyards Gorinchem, with 62 hulls on record.

United States is the country of registry for 2,278 vessels in this directory, of which Mary Burke Liles is the 1,343rd largest by tonnage. The most common class under that flag is vessels this registry holds no type classification for (977 ships), and the median vessel measures 1,706 GT. Browse every ship flagged United States.

Narrowing to both dimensions at once, this registry holds 239 tugs flying the United States flag, of which 115 are larger by tonnage.

Mary Burke Liles was built in 1999, making it 27 years old. It is one of 1,252 hulls in this registry delivered that year, a cohort whose median tonnage is 8,594 GT; within it this ship is the 1,150th 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.

At 29.0 m overall, Mary Burke Liles is 3.3 m shorter than the 32.3 m median for tugs on record.

IMO numbers are issued in broadly chronological blocks. Within 500 either side of 8971085 this registry holds 30 other vessels, whose median build year is 1980 and which range from 1944 to 2001. That places this hull’s registration in the same part of the series, consistent with its recorded build year of 1999.

Its IMO number, 8971085, carries its own check digit. The first six digits are weighted seven down to two and summed — = 165 — and the last digit of that total, 5, must equal the seventh digit, 5. It does, so this number is well formed.