FAA halts flights at three US airports; watchdog warns of hacking threat to aircraft systems

The FAA ordered a ground stop at Newark, Philadelphia, and Teterboro airports due to a radio frequency problem at the Philadelphia Tracon, disrupting flights. Concurrently, a GAO report warns that systems guiding US aircraft are vulnerable to interference and deception, prompting Senator Ron Wyden to call for swift action. The incident underscores potential cybersecurity and operational vulnerabilities in US aviation infrastructure.