Wal-Mart heir John T. Walton, has died while at the controls of a homemade, experimental aircraft.

The cause of the crash was not known and will be investigated, officials said. Walton was 58.

In March, Forbes Magazine listed John Walton as No. 11 on its list of the world's richest people with a net worth of $18.2 billion.

One of Walton's passions was flying. The plane he died flying was an experimental ultralight aircraft with a small, gasoline-powered engine and wings wrapped in fabric similar to heavy-duty sail cloth, officials said.

I don't want to speak ill of the dead, but here I go...

Didn't people learn anything from John Denver? I mean, jesus christ, you're a friggin' billionaire! Maybe you should fly a plane that isn't experimental?! ...You can afford one that works!

damn, what a dickhead!... sorry, but he was an idiot...