Birdwatch Note Rating
2024-09-20 17:09:23 UTC - HELPFUL
Rated by Participant: 2ED07F662825EBF56DFCFD1D538801976214945E4962897763648F2583019694
Participant Details
Original Note:
Depending on the temperature and the amount of moisture in the air at the aircraft altitude, contrails evaporate quickly if the humidity is low, or persist and grow if the humidity is high. Since contrails are composed primarily of ice they 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