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| | |-+  Alternate runway to save fuel
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Author Topic: Alternate runway to save fuel  (Read 1802 times)
StrongDreams
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« on: May 09, 2012, 03:01:34 PM »

I'd like to know how much fuel a regional jet (CRJ, ERJ) or a larger jet (B717, A320) burns per minute during the takeout and climb phase and the approach and landing phase.

I listen to my local airport, KROC (Rochester NY) and, given our location in upstate New York, most flights arrive/depart to/from the south (southeast for Washington/NYC/Newark, south for Atl and Florida, southwest for most of the rest of the country.)

The main runway is 4/22.  At night when traffic is light and winds are calm or light, most aircraft request 22 for takeoff and 4 for landing, regardless of what runway ATIS is currently advertising.  Usually ATC can accommodate the request.  Obviously if a plane is arriving from Newark or Atlanta, making the direct approach to runway 4 saves 5-10 minutes over circling around to the runway 22 approach.  And time is money.  But I'm also curious about the fuel burn rate and the direct cost savings.  Any rough figures?
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klkm
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« Reply #1 on: May 12, 2012, 11:39:51 PM »

Easy answer, the terminals are all to the north, 3 minutes of flying to runway 4 and taxiing straight into the gate beats a 10 minute taxi back to the gate from runway 22, and on departure it is a quick taxi to takeoff on 22.  You fly a lot faster then you taxi. 
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