Birdwatch Note Rating
2023-05-17 02:29:03 UTC - NOT_HELPFUL
Rated by Participant: 5EB348940336892F47E7221B75845FD9A17A5248DFCAD5BAAFFD2C15B78A11AD
Participant Details
Original Note:
Flights in the same direction are multiples of 1000 ft apart in altitude. That difference in altitude makes one plane look faster. Atmospheric conditions vary at different flight levels. Those conditions determine the formation of ice crystals, also known as contrails. https://www.faa.gov/regulations_policies/policy_guidance/envir_policy/media/contrails.pdf
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