Birdwatch Note Rating
2024-10-26 12:22:20 UTC - HELPFUL
Rated by Participant: 140F3C63C683FDB70B113F325476DB5A6A2BA3E1117B65EE97532D5D5D5DB944
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Original Note:
Contrail formation is most likely at altitudes at or above 35,000 feet and at temperatures below -58°F (-50°C), therefore contrails are mostly formed by jets. Turboprop and piston engine airplanes generally fly in lower, warmer air where contrails are less likely to form. https://airplaneacademy.com/why-do-some-airplanes-leave-contrails-and-others-dont/ https://www.gov.uk/government/publications/contrails-and-chemtrails-frequently-asked-questions/contrails
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