787atPAE From United States of America, joined Oct 2006, 143 posts, RR: 4 Posted (2 years 6 months 4 weeks 1 day 17 hours ago) and read 7406 times:
Ran across this in the interwebs. The person filming is watching a UAV type of vehicle kind of close to F-35 flight testing when the F-35 breaks the sound barrier in a big way, followed by its F-16 chase (which was much more quiet)!!
vikkyvik From United States of America, joined Jul 2003, 10612 posts, RR: 26
Reply 1, posted (2 years 6 months 4 weeks 16 hours ago) and read 7087 times:
Quoting 787atPAE (Thread starter): when the F-35 breaks the sound barrier in a big way, followed by its F-16 chase (which was much more quiet)!!
Just FYI for clarity's sake (sorry if you know this already), that's not the F-35 "breaking the sound barrier" as such. Meaning, that's not right when it goes supersonic. You get a sonic boom the entire time the aircraft is supersonic. You'll only hear it when the boom passes over you.
rwessel From United States of America, joined Jan 2007, 2506 posts, RR: 2
Reply 3, posted (2 years 6 months 4 weeks 9 hours ago) and read 6942 times:
Quoting kanban (Reply 2): so much for stealth... BOOM we're coming. Count the booms and you'll know how many ..
Certainly audible detection of aircraft is possible, and it has been done. It's limited because of its fairly short range, and largely trails the aircraft (completely so in the case of supersonic flight). Presumably if it's a problem for a particular ingress route to a target, you'd expect a subsonic approach.
Quoting kanban (Reply 2): Using a weather radar that tracks lightening strikes should show the plane's path.
Lightning detection is about detecting the electrical impulse of the lightning, not the consequent thunder, so would be useless for detecting sonic booms.
He got me too. The only thing that would give it away was if instead of "BOOM we're coming" he would have written "BOOM we've were here". As 'lightening strike" would refer to the location where the F-35 "struck".