Birdwatch Note Rating
2023-05-14 09:52:51 UTC - HELPFUL
Rated by Participant: AD711585BB796D7EAFFC08A397F9E54DDA210D59F6415B77DB3317A4C3853FF3
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, contrails evaporate quickly (if the humidity is low) or persist and grow (if the humidity is high). https://www.faa.gov/regulations_policies/policy_guidance/envir_policy/media/contrails.pdf
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