Birdwatch Note Rating
2024-11-17 18:40:53 UTC - HELPFUL
Rated by Participant: E0C12282560B025344F92F0B881873DE8572E349935D5F0F0C9D7426D646B5C9
Participant Details
Original Note:
These contrails are made up of water in the form of ice crystals. They form when water vapor from an aircraft's engine exhaust mixes with the cold air at high altitudes, causing the water vapor to condense and freeze into ice crystals, not heavy metals. https://www.faa.gov/sites/faa.gov/files/regulations_policies/policy_guidance/envir_policy/contrails.pdf
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