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HAWTHORNE, Calif. (KTLA) –Lawmakers continue to work to avert mandatory federal spending cuts that are set to begin Friday.

If the so-called sequester does kick in though, the nation’s airports would be among those feeling the impact.

The Federal Aviation Administration says the looming federal sequester could cause a slow-down in the nation’s air traffic.

The FAA is planning to possibly shut down control towers at many L.A. area airports if the sequester goes through as expected.

Closing the towers would be the result of furloughing thousands of air traffic controllers.

The FAA shows 23 California airports that could have their control towers closed because of the sequester, 11 of them around Los Angeles.

The Los Angeles area airports in danger of closing are Hawthorne, El Monte, Fullerton, Oxnard, Palmdale Regional/USAF Plant 42 in Palmdale, La Verne, Riverside, Santa Monica, Victorville, Whiteman in Pacoima and Fox Airfield in Lancaster.