Birdwatch Note Rating
2023-05-14 16:07:15 UTC - HELPFUL
Rated by Participant: 36C6EF616C5F429BEB9CBF423AC343323D3F32DE74013E06A537FA42E9133DBA
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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