This presentation by Andrew Logan, who runs the X account @HelicoptersofDC, provides a lot of insight. He explains a lot about ADS-B, MLAT, and DC helicopter flight operations.

DEF CON 30 - Andrew Logan - Tracking Military Ghost Helicopters over Washington DC

DEFCONConference

344K subscribers

116K views 2 years ago

https://www.youtube.com/watch?v=KYuBf2HpXJg

>>22475450

>>22475452

near miss

>>22475469

>So the helo descended in order to hit the plane?

no, exactly the opposite, watch this video

altitude was one factor ion the Swiss cheese model, nvgs were another, among many

https://www.youtube.com/watch?v=_3gD_lnBNu0

>>22475474

see

>>22475477

>>22475487

>descended to hit plane?

>looks like

no

see

>>22475477

>>22475697

post this gif to social media then post link here we unlock red text for you then

>>22475763

just keep in mind that it appears black on your monitor

but is red on everyone else's

>>22475776

and if it appears red on your's

it is black on everyone else's

>>22475796

you might be color blind

see a doctor

>>22475813

you're not supposed to reply to trolls

For some reason this made me think of the Pentagon on 9-11.