Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

Are aircraft restricted from flying during nighttime hours?

April 26, 2017aircraft flying hours Nighttime

0

Posted

Are aircraft restricted from flying during nighttime hours?

1 Answer

0

Posted

No. The FAA does not have designated nighttime hours for operational purposes. However, for purposes of calculating the DNL, the period between 10 p.m. and 7 a.m. is designated as “nighttime”. Noise events occurring during this period are subject to the 10 dB penalty.