Tue, Oct 10, 2006
Logan Airport Departure Flights Missing Their
Corridor
The FAA has released a study that confirms what many Boston
anti-airport activists have long suspected --
many airplanes are not flying the noise sensitive routes they
promised they would.
In a just released study, the FAA found that only 58% percent of
jets taking off from Logan Airport's Runway 27 flew the flight
corridor designed in a 1996 FAA ruling. The minimum requirement is
68.2% of all flights.
The Boston Globe says in the 1970s, the configuration of Runway
27 was altered and sent departing aircraft over Boston's downtown
neighborhoods. Residents successfully sued and the compromise
reached was the creation of a 7.5 mile long flight corridor that
would minimize the noise signature of the jets.
When winds are out of the northwest, aircraft departing runway
27 head right over South Boston's Seaport District and other
heavily populated urban areas.
Worst offenders, according to the report are heavy jumbo jets,
who only manage to make the corridor about 40% of the time.
The determining factor seems to have nothing to do with weather
conditions such as visibility or wind speed, or navigational
equipment on board, or the particular airline company, or
even whether the flights were flown as military,
charter, air taxi, or airline categories -- but simply which type
of aircraft was being used.
The Boeing 757 is singled out as being rated far below
average... no matter who flies it. This suggests that something
about its climb performance may make it hard to enter the flight
corridor.
The Globe says the report concludes that the FAA needs to work
with airlines to determine why some of their flights are not
measuring up and find ways to fix the problem.
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