March 8, 2012
By Jim Moore
A salvo of five rockets will soon be launched from the NASA Wallops Flight Facility on Wallops Island, Va., to help scientists better understand the uppermost reaches of the atmosphere. The interaction of wind and charged electrical particles 60 to 65 miles from the surface has been associated with satellite failures and radio communication interference.
The launch will take place on a clear night between March 14 and April 3, and the rockets will release trimethylaluminium, which creates a soft, white glow when it interacts with oxygen, producing aluminum oxide, water, and carbon dioxide. Cameras in Virginia, North Carolina, and New Jersey will track the movement of the milky white clouds, allowing scientists to model upper-atmosphere winds. NASA has also invited amateur photographers to submit photos of the clouds. The launches will take place between 11 p.m. and 6:30 a.m., marking the first time since the 1970s that NASA has launched so many rockets from Wallops Island at once, officials said. The chemical traces will be visible for about 20 minutes, and may be seen as far north as southern New Hampshire and Vermont, and as far south as the South Carolina border.
AOPA Online Associate Editor Jim Moore joined AOPA in 2011 and is an instrument-rated private pilot who enjoys competition aerobatics.
Safety and Education
The FAA on Feb. 23 issued a special airworthiness information bulletin recommending preflight inspection of Robinson R44 and R44 II main rotors.
AOPA told lawmakers that a tax-abatement bill introduced in Nevada would stimulate aviation business and make more services available to members.
The FAA has released an eight-minute video providing aviation medical examiners with guidance on the agency's new obstructive sleep apnea policy, which takes effect March 2.
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