Birdwatch Note Rating
2024-11-20 07:53:37 UTC - HELPFUL
Rated by Participant: D25A1003EAB2F91B5CC771011008B31837D720915AF17DB77C6E624DB530950D
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