eduardo rojas leads the radio spectrum lab in florida. it s one of the most critical systems in the aircraft and helicopterns. especially because it helps to land. so it is a concern. it s a big concern. reporter: airline executives say it s now on the federal government to ban 5g transmitters from nearby airports or delay its rollout so your next flight isn t. this is not an issue created by airlines or airline customers, and it cannot be solved on the backs of airlines and airline customers. reporter: the faa is directing flight crews to report problems associated with 5g signals. jim, as a pilot, i can tell you this confusion in the cockpit comes during a critical time. airline executives point out that other countries have figured this out and now it s time for the u.s. to do the same. jim? pete muntean, thanks so much. next, an unprecedented level