Maybe you're thinking about the small sample of Wright Flyer fabric? [1] The helicopter doesn't have a parachute. The rover's parachute did have a coded message

Maybe you're thinking about the small sample of Wright Flyer fabric? [1] The helicopter doesn't have a parachute. The rover's parachute did have a coded message.[2] 1. https://nationalpost.com/news/world/with-ingenuity-test-wright-brothers-plane-flies-again-on-mars https://nationalpost.com/news/world/with-ingenuity-test-wrig... 2. https://www.cnn.com/2021/02/24/world/mars-perseverance-parachute-code-scn-trnd/index.html https://www.cnn.com/2021/02/24/world/mars-perseverance-parac...