"My real question is why we did not know of the 'radio out' situation from the FAA sooner, " the officials said.

CNN: Crew of wayward airliner cooperative, sober, police say

"My real question is why we did not know of the 'radio out' situation from the FAA sooner, " the official said.

CNN: Report: Stray jet's pilots were on laptops

"My real question is why we did not know of the 'radio out' situation from the FAA sooner -- the FAA is also looking into that, " the official told CNN.

CNN: Pilots of wayward flight talk to NTSB