Activate MIRL runway 05/23 and taxiway lights - CTAF.
For clearance contact socal approach at 800-448-3724.
Glider, ultralight act north side of airport.
Watch for usfs fire fighting aircraft.
Air tanker activity MAY-NOV; forest service fire fighting aircraft frequently fly the conventional rectangular pattern with four 90 deg clearing turns entering the down wind leg abeam midpoint of runway.