Who should attend. The course is designed for those who may have to conduct or participate in an aircraft accident investigation. This may be in the role of official investigator for a State or as an accredited representative/technical advisor of a manufacturer, operator or service provider.
Before electronic calculators, converting square varas (at 1 vara = 32.8748 inches) to acres was a tedious job. But if 1 vara = 33 1/3 inches, 3 varas are exactly 100 inches, 36 varas are exactly 100 feet, and 108 varas are exactly 100 yards. An easy division and some shuffling of the decimal point do the job.
You need to be 52 inches tall to ride Valravn (other coasters at the park have varying height requirements, but most require you to be at least 48 or 52 inches tall.) Cedar Point's Millenium Force, which opened in 2000, still is widely recognized as the best steel coaster in the world.