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  SAHPAC - 2010: Home

Contact: Tim Stoaks, Chairman

email: timstoaks@sbcglobal.net






Current Airport Information on Curfew:
The Curfew:

In 1985, the City, County, SPON, and AWG entered into a stipulation and
agreement (1985 Settlement Agreement) to resolve Federal Court litigation
initiated by the County seeking judicial approval of the Master Plan. The 1985
Settlement Agreement required the Board to modify resolutions approving the
Master Plan to reduce the size of the terminal and limit the number of parking
spaces. The 1985 Settlement Agreement also: (a) established three "classes" of commercial aircraft (Class A, AA, and E) based on the noise generated by the aircraft (operating with known gross takeoff weights) at the departure noise monitoring stations. (b) limited the number of "average daily departures" (ADD) of Class A and AA departures before and after construction of a new terminal to 73 ADD (c) limited the number of passengers served each year at JWA (expressed in terms of "million annual passengers" or "MAP") to 8.4 MAP2 after construction of the new terminal and (d) required the County to maintain the curfew then in effect at JWA and enforce the General Aviation Noise Ordinance.

In 1990, Congress adopted the Airport Noise and Capacity Act (ANCA) which, in relevant part, requires FAA "review and approval of proposed noise or access restrictions" on Stage 3 aircraft. The City and County successfully lobbied Congress to "grandfather" (exempt from the FAA"review and approval" requirements of ANCA): (a) the 1985 Settlement Agreement; (b) amendments to the 1985 Settlement Agreement that do not adversely impact airport capacity or airport safety; and (c) the then current County noise "curfew" ordinance.

The 2002 Amendments allowed the County to offer additional air transportation service without any significant increase in noise impacts on Newport Beach residents. The flight and service level restrictions remain in effect through December 31, 2015 and provisions related to the curfew remain in effect through December 1, 2020. The FAA letter confirming the validity of the 2002 Amendments is a precedent for future amendments that do not adversely impact airport capacity or airport safety.

The GANO (General Aviation Noise Ordinance , also implements curfews and scheduled departure time prohibitions for commercial operations. The ordinance states that no commercial aircraft may engage in regularly scheduled commercial operations at SNA between the hours of 10:00 p.m. and 7:00 a.m. (8:00 a.m. on Sundays) for departures or between the hours of 11:00 p.m. and 7:00 a.m. (8:00 a.m. on Sundays) for arrivals. Commercial airlines are prohibited to schedule departure times for any flight originating at SNA prior to 6:45 a.m. or after 9:45 p.m. Monday through Saturday; or before 7:45 a.m. or after 9:45 p.m. on Sunday.









Noise Monitoring Station Location

NMS-1S Golf Course, 3100 Irvine Avenue, Newport Beach
NMS-2S 20152 Birch Street, Newport Beach
NMS-3S 2139 Anniversary Lane, Newport Beach
NMS-4S 2338 Tustin Avenue, Newport Beach
NMS-5S 324 ½ Vista Madera, Newport Beach
NMS-6S 1912 Santiago, Newport Beach
NMS-7S 1311 Back Bay Drive, Newport Beach
NMS-8N 17372 Eastman Street, Irvine
NMS-9N 1300 S Grand Avenue, Santa Ana
NMS-10N 17952 Beneta Way, Tustin

The GANO establishes curfews for GA operations as it does for commercial operations.
The ordinance states that no GA aircraft may engage in nighttime operations that exceed the SENEL values specified in Table 2-6 at any of the ten respective noise monitoring stations. Nighttime operations, for the purposes of this section of the GANO, are considered to be between the hours of 10:00 p.m. and 7:00 a.m. (8:00 a.m. on Sundays) for departures and between the hours of 11:00 p.m. and 7:00 a.m. (8:00 a.m. on Sundays) for arrivals.


Table 2-6 Maximum SENEL Values – Nighttime GA Operations

Noise Monitoring Station Max. SENEL Value

NMS 1S 86.8 dB
NMS 2S 86.9 dB
NMS 3S 86.0 dB
NMS 4S 86.0 dB
NMS 5S 86.0 dB
NMS 6S 86.0 dB
NMS 7S 86.0 dB
NMS 8N 86.0 dB
NMS 9N 86.0 dB
NMS 10N 86.0 dB
Source: General Aviation Noise Ordinance, Sec. 2-1-30.5














Noise Monitoring Station Location

NMS-1S Golf Course, 3100 Irvine Avenue, Newport Beach
NMS-2S 20152 Birch Street, Newport Beach
NMS-3S 2139 Anniversary Lane, Newport Beach
NMS-4S 2338 Tustin Avenue, Newport Beach
NMS-5S 324 ½ Vista Madera, Newport Beach
NMS-6S 1912 Santiago, Newport Beach
NMS-7S 1311 Back Bay Drive, Newport Beach
NMS-8N 17372 Eastman Street, Irvine
NMS-9N 1300 S Grand Avenue, Santa Ana
NMS-10N 17952 Beneta Way, Tustin








Location of Noise Monitors:









This site is not part of, or funded by the County of Orange or City of Newport Beach , nor does the County or the City of Newport Beach sanction or have any jurisdiction over its content. Thank You to Russel Niewiarowski for the aerial photos on our site.

Home  |  PAC Members  |  Links to County, Newport Beach , & Airport information sites  |  Project Area Map, Police Info, Code Enforcement and other Frequently Asked Questions  |  Airport Info Sub Committee  |  JWA Chronology 1923 to 2008  |  PAC Budget Info.  |  Specific Plan  |  SOUND ATTENUATION report 2007  |  Sub Committees of SAHPAC  |  PAC ByLaws  |  PAC Project Updates at a Glance  |  Mesa Birch Park  |  Kline Drive  |  Undergrounding  |  Horse Trail Updates  |  Riding Arena Project  |  Poop Can Project  |  Bristol St. Sidewalk & Widening of Irvine Ave.  |  Feb. 2009 Minutes & 2008 archives  |  Archived PAC Minutes 2001- 2007  |  April 2009 & Past PAC Agendas