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#71
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Laurence Doering writes:
Modern airliners are required to have very good single engine capability to operate on oceanic routes. Do a google search for ETOPS Or go to http://www.chicago.com/airliners/gc.html -- A host is a host from coast to & no one will talk to a host that's close........[v].(301) 56-LINUX Unless the host (that isn't close).........................pob 1433 is busy, hung or dead....................................20915-1433 |
#72
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Laurence Doering writes:
Modern airliners are required to have very good single engine capability to operate on oceanic routes. Do a google search for ETOPS Actually, they are required to have 'one-engine-out' performance. Three-engine aircraft must do it on 2 good engines, and 4-engine aircraft must do it on 3 good engines. ETOPS is only applicable to 2-engine airplanes. |
#73
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"John R Weiss" wrote Laurence Doering writes: Modern airliners are required to have very good single engine capability to operate on oceanic routes. Do a google search for ETOPS Actually, they are required to have 'one-engine-out' performance. Three-engine aircraft must do it on 2 good engines, and 4-engine aircraft must do it on 3 good engines. ETOPS is only applicable to 2-engine airplanes. That's what the "T" stands for and while any twin engined transport can cruise on only one engine, to qualify for ETOPS certification, the engines and installation have to demonstrate very high reliability. The operator has to demonstrate effective maintenance operations as well.. ETOPS certification allows a twin engine transport to operate a designated number of minutes of single-engine flight from a divert airfield. ETOPS originally was for 90 minutes flight to a divert field, later extended to 120 minutes and now to 180 minutes. Without ETOPS certification, a transport can fly no further than 60 minutes from a divert airstrip. All these times refer to revenue service and don't apply to ferry flights. |
#74
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On Tue, 23 Sep 2003 19:17:24 -0400, "Paul Austin"
wrote: "John R Weiss" wrote Laurence Doering writes: Modern airliners are required to have very good single engine capability to operate on oceanic routes. Do a google search for ETOPS Actually, they are required to have 'one-engine-out' performance. Three-engine aircraft must do it on 2 good engines, and 4-engine aircraft must do it on 3 good engines. ETOPS is only applicable to 2-engine airplanes. That's what the "T" stands for and while any twin engined transport can cruise on only one engine, to qualify for ETOPS certification, the engines and installation have to demonstrate very high reliability. The operator has to demonstrate effective maintenance operations as well.. ETOPS certification allows a twin engine transport to operate a designated number of minutes of single-engine flight from a divert airfield. ETOPS originally was for 90 minutes flight to a divert field, later extended to 120 minutes and now to 180 minutes. Without ETOPS certification, a transport can fly no further than 60 minutes from a divert airstrip. All these times refer to revenue service and don't apply to ferry flights. ETOPS = Engines Turn Or Passengers Swim Ross "Roscoe" Dillon USAF Flight Tester (B-2, F-16, F-15, F-5, T-37, T-38, C-5, QF-106) |
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