How many times have you heard this during an instructional flight? Let’s say you were told to fly at an indicated altitude of 1,900 msl and because you got a little distracted, you’re now at 2,100.

The FAA on Wednesday published a notice of proposed rulemaking (NPRM) applying to all helicopters equipped with a radio, or radar, altimeter flying in areas where 5G C-band can interfere with the ...