Underwater structures pose unique challenges to inspectors. Many testing methods inspect these structures from a single, accessible testing point by way of technology such as Long Range Ultrasonic Testing. However, there is another method of inspecting and cleaning pipes from the inside instead of a single set point called "pigging." "Pigs" are devices that [...]

Inspecting helicopter rotor blades comes with challenges as blades are manufactured with different internal and external materials. However, the early detection of defects such as fatigue cracks means the difference between life and death for helicopter operators and passengers, as has been evidenced by several helicopter crashes in recent years. November 2011 saw a fatal [...]