Birdwatch Note Rating
2023-05-21 14:29:09 UTC - NOT_HELPFUL
Rated by Participant: 5A56D83BC8E61D44FE95426CB3AF74E32B34C2E40C7FD5207F3D87D05E429CB7
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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