It was equally unclear whether some mechanical failure on the 10-year-old jet, which had no history of serious problems, or human error had contributed to the disaster, which ranked with a score of crashes as among the worst in aviation history.
For example, Thomas Haeuter, a National Transportation Safety Board investigator who has "kicked the tin" on a score of plane crashes, is now looking at the possibility that the composite used in the tail had a hidden flaw or was somehow repeatedly flexed in a way that damaged it, a phenomenon known as fatigue.
Having examined unidentified skeletons, poisoned spouses and scores of plane crash victims, he likened his work to solving jigsaw puzzles.
There have been scores of plane crashes in Iran since the 1979 Islamic revolution, resulting in at least 1,985 deaths.
The Ford Motor Company cited the advisory as evidence that scores of fatal crashes involving Explorers were a result of tire problems, not vehicle defects.
The case has emerged as a second serious problem for Ford, which is already trying to reassure customers that it produces safe vehicles after the recall of 6.5 million Firestone tires and scores of deadly crashes involving rollovers of Ford Explorers.
Although not always mentioned in a review, it's hard to imagine what the play would have been like without the score of lurking bass and crashing cymbals, courtesy of the Leeds Improvised Music Association.
On his return from a hernia operation, Westwood claimed the only score of the first half, crashing over for the easiest of scores on 13 minutes after loose forward Ben Harrison had made a lunge for the line, Hodgson adding the conversion.
Behind The Numbers To make our list of the best cars for teens and graduates, all vehicles had to score the Insurance Institute crash test ratings score of triple "good" or a minimum of four out of five stars in the National Highway Transportation and Safety Administration's ratings.
Each intersection is assigned an "energy score," representing the number of crashes at that site.
