Birdwatch Note Rating
2024-11-19 19:31:27 UTC - HELPFUL
Rated by Participant: DC05E5A170E2D42362FD7CE7DD72540718297C37A1DBF5A26F074C99130C0C6C
Participant Details
Original Note:
The combination of water vapor in aircraft engine exhaust and the low ambient temperatures that often exists at high altitudes allows the formation of contrails. Contrails are composed primarily of ice crystals, and do not pose health risks to humans. https://www.faa.gov/sites/faa.gov/files/regulations_policies/policy_guidance/envir_policy/contrails.pdf
All Note Details