Birdwatch Note Rating
2023-04-15 12:53:40 UTC - HELPFUL
Rated by Participant: 869B08FB84C1818CF381D04B97D2FF26A6DF7272D2B5D5F3CE89CD5936798651
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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