3 ms·

Black hawks are quiet enough for specops teams to use them in urban raids like the Bin Laden one.

• bouchard 6y ago
  The rotorcraft used for the Bin Laden raid weren't standard Black hawks. The modifications probably required huge trade-offs in cost/performance and might still not be quiet enough for daily use in urban/residential areas.
  • wefarrell 6y ago
    Still not exactly anti-gravity. Lilium boasts: "As well as a customized electric motor, it contains innovative liner technology which means the aircraft will be inaudible from the ground when flying above 400m and will only be as loud as a passing truck while taking off." https://lilium.com/the-jet https://lilium.com/the-jet
• missedthecue 6y ago
  It wasn't that quiet, it was fast and below radar