Early Navigation System of acetylene torches on towers and concrete arrows
Beacons, arrows kept pioneer pilots from going astray in Nevada. In the earliest days of commerc...ion, before the advent of radio guidance, the federal government constructed a system...Calif. solar energy farm blinds pilots-- Ken, you have to take your solar plant down
Pilots flying in San Bernardino County, Calif., have complained that the fields of mirrors at the Ivanpah solar...nt made to the Federal Aviation Administration's Aviation Safety Reporting System...