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LOW EMISSIONS AND QUIETEST PERFORMANCE MAKE CANADAIR'S REGIONAL JET ENVIRONMENTALLY ATTRACTIVE

 LOW EMISSIONS AND QUIETEST PERFORMANCE MAKE CANADAIR'S
 REGIONAL JET ENVIRONMENTALLY ATTRACTIVE
 FARNBOROUGH, U.K., Sept. 6 /PRNewswire/ -- The quietest jet airliner performance in the world, combined with exhaust emission levels significantly lower than established global limits, makes the 50-passenger Canadair Regional Jet the most environmentally agreeable regional jet airliner on the market.
 The aircraft's General Electric CF34-3A1 engine emissions are significantly lower than limits set by the International Civil Aviation Organization (ICAO) and the U.S.-based Environmental Protection Agency (EPA), recent testing has confirmed.
 Results from separate tests indicate that the Canadair Regional Jet is also the world's quietest jet airliner, operating well within the U.S. Federal Aviation Administration's (FAA) stringent Stage 3 noise requirements.
 "The demand for manufacturers to provide quiet, clean-burning aircraft engines comes from customers around the world, and that demand is growing,'' says Tom Appleton, executive vice president, Bombardier Regional Aircraft Division. "In terms of these two very important environmental considerations -- noise and exhaust emissions -- the Canadair Regional Jet offers performance superior to competing regional jet airliners. Both General Electric and Canadair are proud that these latest findings prove that the Canadair Regional Jet will enter service with engines that will treat with respect our earth's atmosphere and our residential neighbours."
 "For the three jet-engine exhaust components that are of greatest concern to regulatory authorities -- unburned hydrocarbons (HC), carbon monoxide (CO), and nitrogen oxides (NOx) -- the CF34's numbers are well below legislated limits, and are superior to those of competitive aircraft," says John Holding, vice president, engineering with the Canadair Group of Bombardier, the Montreal, Canada-based manufacturer of the aircraft.
 "In a standard ICAO/EPA-defined landing and take-off cycle, the Canadair Regional Jet's engines produce 62 per-cent-favour unburned hydrocarbons, 31 per-cent-less carbon monoxide and 65-per-cent-fewer nitrogen oxides than ICAO-allowable levels," Holding says.
 Robert A. Wohl, president of the Bombardier Regional Aircraft Division, says quiet operations are becoming increasingly important to the competitiveness of regional airlines.
 "Our findings indicate that Canadair Regional Jet operators can service destinations with some of the strictest airport noise guidelines without restriction or curfew, including Washington National in Washington, D.C., and John Wayne Airport in Orange County, California," Wohl says.
 Over the past decade, G.E. Aircraft Engines has undertaken design and manufacturing initiatives to insure that its CF34 powerplant goes beyond the current stringent emission requirements, including improving combustor-element design and redefining control flows and schedules to accommodate the efficiency characteristics of the low-emission burners.
 Dudley Milliken, general manager of the CF34 program at General Electric Aircraft Engines in Lynn, Mass., says that U.S. EPA and Federal Aviation Administration officials are very strict regarding the level of gaseous and visible-smoke emissions that an aircraft may produce.
 "We're particularly pleased with the low NOx-level findings, because that's a key element in smog formation -- although aircraft emissions are a very small part of the overall problem -- and nitrogen oxides are also a major contributor to a type of acid rain that's particularly damaging to pine forests," Milliken says, "In fact, in Sweden, there's actually a 'nitrogen oxides tax' imposed on airlines, based on calculated emissions while in Swedish airspace."
 In a separate series of tests, conducted jointly by Canadair and engine manufacturer General Electric, three components of noise emission -take-off, sideline and approach -- were measured, and the Canadair Regional Jet performed well under the stipulated limits in all categories.
 At takeoff, the 23,180 kg (51,000-lb.) Series 100 ER version of the aircraft was rated at 78.6 Effective Perceived Noise decibels (EPNdB), 10.4 dB below the prescribed Stage 3 noise limits. The sideline rating of 82.2 EPNdB was 11.8 dB below Stage 3, while its landing rating of 92.1 EPNdB was 5.9 dB below the allowable maximum.
 These noise ratings place the Canadair Regional Jet significantly below competing aircraft.
 "As a regional operator, we've been well aware of the importance which the FAA places on noise abatement, and we are sensitive to the concerns of individuals living near airports," said David Mueller, chairman and chief executive officer of COMAIR. "Now as launch customer for the Canadair Regional Jet, these tests results are especially encouraging.
 "Throughout the industry, airlines and manufacturers have made great strides in addressing the noise concerns of the FAA and of communities surrounding airports," added Mueller. "COMAIR, Canadair and GE Aircraft Engines are at the forefront of this activity.
 The tests demonstrated that the Canadair Regional Jet's 0.5-square- mile noise contour for takeoff and approach at 80 dBA is smaller than currently certified Stage 3 turbofan aircraft. The 50-passenger Canadair Regional Jet can cruise at speeds of up to 850 km/h (528 mph), with a range of 3,000 km (1,860 miles) and an operating ceiling of up to 12,496 m (41,000 feet). The Regional Jet will allow operators to serve new destinations, increase flight frequencies on existing routes or offer non-stop flights on lower-density routes.
 The Bombardier Regional Aircraft Division markets, sells and supports the Canadair Regional Jet and the de Havilland Dash 8 regional airliners. Bombardier Inc., a Canadian corporation with 32,000 employees worldwide and annual sales in excess of $3 billion (Cdn.), is engaged in design, development, manufacturing and marketing activities in the fields of aerospace, transportation equipment and motorized consumer products.
 -0- 9/6/92
 /CONTACT: Colin Fisher, 416-375-3030; or Catherine Chase, 514-744-1511, or Farnborough: Bombardier Press Chalet, 0252-381710, all for Bombardier/ CO: Bombardier ST: IN: AIR SU:


MA -- NYSU004 -- 6732 09/06/92 12:02 EDT
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Date:Sep 6, 1992
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