Originally Posted by
USMCFLYR
Having flown a fair amount of formation I can tell those of you asking how close do you need to be in order to see two people in a Cirrus' cockpit - the answer is close. How close to see a registration number? Close. I'd like to actually see more details about this, but I'll say again in my opinion that I think this sounds like a bad idea.
USMCFLYR
According to
The Aviation Herald
"FAA radar data show, that the Boeing descended down to 10,800 feet and back up to 11,000 feet while checking the Cirrus, that maintained 11,000 feet all time. The radar tracks suggest the minimum separation between the aircraft was less than 1.2nm lateral with 0 feet vertical."