Noise Management Measures

Aircraft Engine Run-Up Program
GRE Night Shot | Oakland International Airport Noise Management
The airport's aircraft engine maintenance run-up policy has been in place since the 1970s to facilitate the loud engine run-ups that are necessary for aircraft maintenance. The current engine run-up policy establishes requirements for run-ups and the use of the ground run-up enclosure or the GRE. The full policy and a more general version of the policy can be seen here, (General Policy) (Complete Technical Policy)

Ground Run-Up Enclosure (GRE)

GRE Night Shot | Oakland International Airport Noise ManagementIn 2002, Oakland International Airport opened the airport’s “hush house” — the first in California, which reduces noise from engine maintenance by approximately 17 decibels. Formally known as a ground run-up enclosure, the hush house began operation in July 2002. The thee-sided structure, located near the center of the airfield, encloses a 325-by-264 feet rectangular area and is large enough to accommodate Boeing 747 aircraft. It is made of sloping zinc-coated steel "Noiseblotter" panels, creating walls that range from 19 to 40 feet in height. The $4.2 million facility is used for testing engines, which must be operated at full power, after routine maintenance or repairs. Not only does the "hush house" reduce engine noise, but it also allows airlines to test engines in a wider range of wind conditions than is possible on an open field. Oakland was the fourth airport in the nation to build a hush house. Other installations are in Chicago, Portland and Indianapolis. All have been built by Blast Deflectors, Inc. of Reno, Nevada. The hush house was paid for from the passenger facility fees levied on all tickets.

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