Lag

May 9, 2008 - 6:57am

Automated surface observation systems (ASOS) at airports without certified live weather observers have been a boon to pilots, but the information they dispense may be dangerously outdated. According to a warning from U.S. inspector general Kenneth Mead, visibility reports disseminated by the computer-generated voices at the 561 ASOS-equipped airports in the U.S.

 
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