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List of active NOTAMs for John Wayne Airport, Orange County (SNA) published by the Federal Aviation Administration (FAA):

View active SNA NOTAMs (PilotWeb)

5G Impacts and Requirements 

Runway Safety

Pilots are encouraged to refresh their Airport operation knowledge on various aspects of runway safety.

FAA Runway Safety Web site

SNA is an ASDE-X Airport

The Airport Surface Detection Equipment-Model X (ASDE-X) is utilized at John Wayne Airport (SNA). Pilots are requested to operate their transponder on the airport runways and taxiways.