![What does the red line mean? I thought it was low altitude but this one seemed to be flying normally : r/flightradar24 What does the red line mean? I thought it was low altitude but this one seemed to be flying normally : r/flightradar24](https://preview.redd.it/zkvtfblv6w981.jpg?auto=webp&s=8cfef50816e3866d3700991754f1627926008b55)
What does the red line mean? I thought it was low altitude but this one seemed to be flying normally : r/flightradar24
![Flightradar24 on Twitter: "Flightradar24 data for China Eastern Airlines flight #MU5735 from Kunming to Guangzhou. At 06:20:59 UTC the Boeing 737-800 aircraft started to lose altitude very fast. At 06:22:35 UTC last Flightradar24 on Twitter: "Flightradar24 data for China Eastern Airlines flight #MU5735 from Kunming to Guangzhou. At 06:20:59 UTC the Boeing 737-800 aircraft started to lose altitude very fast. At 06:22:35 UTC last](https://pbs.twimg.com/media/FOXjbgPX0AI_Xiy.jpg:large)
Flightradar24 on Twitter: "Flightradar24 data for China Eastern Airlines flight #MU5735 from Kunming to Guangzhou. At 06:20:59 UTC the Boeing 737-800 aircraft started to lose altitude very fast. At 06:22:35 UTC last
![Flightradar24 no Twitter: "@mustf_hs Looks like it might be preparing to return to Singapore." / Twitter Flightradar24 no Twitter: "@mustf_hs Looks like it might be preparing to return to Singapore." / Twitter](https://pbs.twimg.com/media/Ecan8KAUEAEYJDf.png)
Flightradar24 no Twitter: "@mustf_hs Looks like it might be preparing to return to Singapore." / Twitter
![Flight tracker Flightradar24 crash caused by 'international interest' in Ukraine, Russia conflict | ZDNET Flight tracker Flightradar24 crash caused by 'international interest' in Ukraine, Russia conflict | ZDNET](https://www.zdnet.com/a/img/resize/fa9187adea98b421d74bf8b086f63a1d2cea5157/2022/02/24/56f7b9fb-127e-40af-8d42-2627d88014f0/screenshot-2022-02-24-at-09-35-12.png?auto=webp&width=1200)
Flight tracker Flightradar24 crash caused by 'international interest' in Ukraine, Russia conflict | ZDNET
![I was using the app and suddenly I saw a red plane without me pressing it.does anyone know what this means? : r/flightradar24 I was using the app and suddenly I saw a red plane without me pressing it.does anyone know what this means? : r/flightradar24](https://preview.redd.it/ua7xufbs9eg81.jpg?width=640&crop=smart&auto=webp&s=d30d0eddf57293133cf96c25a0e46f25b9d9299b)