Noise Alerts
Airport construction, maintenance of navigation aids, and/or seasonal changes in airport activity may affect aircraft in flight. When we know about these changes in advance, we will use this web page to inform the public about these changes.
The following link will provide a description of any known long term activity that has the potential to affect air traffic activity, which in turn may affect aircraft noise impacts.
Current Mather Noise Alerts:
Cargo aircraft arriving at Mather Airport during the hours between 10 p.m. and 7 a.m. in the coming months may deviate from the nighttime noise abatement procedures, while a major upgrade of Mather Airport 's Instrument Landing System (ILS) is performed by the Sacramento County Airport System (SCAS). Daytime and evening (7 a.m. - 10 p.m.) arrivals may also be affected, but to a lesser extent as they are not required to use the ILS for noise abatement purposes.
The ILS will be taken down on August 23, 2004 and will be unavailable for use until sometime in October.
The ILS provides precision electronic guidance to aircraft approaching the airport from the East, allowing them to remain aligned with the Runway 22L centerline and to remain on a three-degree approach into the airport. Use of the ILS at night enables aircraft to remain as high as practical over noise sensitive areas east of the airport.
During the upgrade, the ILS will be unusable and pilots will rely on on-board instruments, visual navigation and air traffic controller guidance to approach the airport. As a result, residents to the east of the airport may notice a temporary change in aircraft flight tracks and altitudes over their homes. SCAS will work with the pilots and air traffic controllers on minimizing aircraft noise impacts during this period. Once the upgrade is complete, the ILS will again be used for air cargo aircraft approaches during the nighttime hours.
Mather ILS Upgrade Complete Press Release
Travis RON Relocation Press Release
