John Wayne Airport would be able to boost the number of takeoffs by its loudest planes starting in 2021, under a new deal up for approval by county supervisors on Tuesday.

Starting that year, the current limit of 85 average daily departures by the loudest planes would increase to 95.

The airport would also be allowed to handle more passengers, going from the current cap of 10.8 million passengers per year to 11.8 million in 2021.

The passenger cap could increase again starting in 2026 to as many as 12.5 million passengers each year, based on a formula that takes into account previous years.

The current curfew on takeoffs and landings would remain in place. The curfews prohibit “regularly scheduled” commercial flights from taking off between 10 p.m. and 7 a.m. and landing between 11 p.m. and 7 a.m.

On Sunday mornings, takeoffs and landings are prohibited for an extra hour, until 8 a.m.

New passenger loading bridges could be built starting in 2020.

But cargo flights would also be kept at the same level – four daily departures on average – until 2030.

The deal would extend the settlement of a 1985 lawsuit by the city of Newport Beach and two activist groups that challenged plans to expand the airport’s operations.

If approved, the new deal would extend the settlement to the end of 2030.

Tuesday’s county supervisors meeting starts at 9:30 a.m. Click here to read the staff report and attachments.

You can reach Nick Gerda at ngerda@gmail.com, and follow him on Twitter: @nicholasgerda.

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