Birdwatch Note Rating
2023-08-24 10:28:10 UTC - HELPFUL
Rated by Participant: E1305D118B497577237E228302BB93DE7380011FDD27DF51C05C97C871015F6E
Participant Details
Original Note:
Contrails have been a normal effect of jet aviation since its earliest days. Depending on the temperature and the amount of moisture in the air at the aircraft altitude, con- trails evaporate quickly (if the humidity is low) or persist and grow (if the humidity is high). https://www.faa.gov/sites/faa.gov/files/regulations_policies/policy_guidance/envir_policy/contrails.pdf
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