September 20, 2012
By Warren Silberman
This isn't an article about boxing and what happens when you get knocked out, but concerns a hereditary or acquired condition known as color vision deficiency.
Color vision deficiency is the inability to differentiate between certain colors or, in more severe cases, to be able to see colors at all, also known as “color blindness.” Most individuals with color deficiency can see colors, but have difficulty identifying differences between shades of red and green or, less commonly, blue and yellow, and the deficiency varies from mild to severe.
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The widespread presence of angle-of-attack indicators in general aviation aircraft could reduce fatal loss-of-control accidents caused by inadvertent stalls, said the FAA.
Hartzell Engine Technologies LLC announced July 29 that it finalized an agreement to buy the assets of Granbury, Texas-based Plane-Power LTD.
Topping a list of Cessna Aircraft news released at EAA AirVenture is a 155-horsepower diesel-powered Cessna 172 Turbo Skyhawk JT-A.
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