
Why is engine #1 still used when taxiing with one engine?
Mar 17, 2020 · Engine #1 is used because it pressurizes the green HYD system which powers the Nose Wheel Steering. I found that, in latest model of A320 and A321, NWS is driven by yellow HYD …
How are engines numbered? - Aviation Stack Exchange
Apr 6, 2018 · The Wikipedia article is clear: engines are numbered sequentially, left to right, as seen by the pilot facing forward. That corresponds to the second of your diagrams. Twin engined aircraft have …
jet engine - What are N1 and N2? - Aviation Stack Exchange
May 13, 2015 · The N2 is the engine core, and the N2 gauge is used mainly during engine start: on initial starter engagement, the N2 starts turning first, and things like adding fuel+ignition and then …
Why didn’t the Captain of Cathay Pacific flight 780 shut down engine 1 ...
Jan 23, 2019 · In the approach phase, engine 1 of Cathay Pacific flight 780 got stuck at about 70% N1 and it forced the crew to do an overspeed landing (230knots). Why didn't they shut it off by turning …
piston engine - What is the difference between SMOH and SFOH ...
Jul 4, 2016 · Overhauled (SMOH or SFOH) An engine that has been completely disassembled (the crank case is split and all the parts pulled out), extensively inspected, and reassembled to either …
Taxiing with one engine: Is engine #1 always used or do they switch?
Jan 9, 2017 · This led me to this question: When taxiing with one only engine, do pilots always use the left-most one (#1)? Or do they randomly choose one of the two (or four)? If they always use the …
Why is port-starboard terminology used in aviation?
May 27, 2015 · I am not a pilot - just a student & play Ace Combat sometimes Intrigued by the words Starboard & Port -side, I researched why these words are used instead of the simple ones, I found …
How does the CFM LEAP-1B engine achieve the same efficiency as the …
For turbofan engines, we know that the higher the bypass ratio, the higher the propulsive efficiency of the engine, which results in a lower fuel consumption. So how does the CFM LEAP-1B engine …
Why are there (almost) no civilian single engine jet aircraft?
Oct 24, 2023 · I have been looking at various engine configuration in jet powered aircraft. Most have 2 jet engines mounted either side of the fuselage, there are trijet models (e.g. B-727, MD-11) there are …
What defines a cycle on a jet engine? - Aviation Stack Exchange
Is there a legal definition of a "cycle" on a jet engine? We must log the cycles, and some maintenance is determined by cycles. From my understanding, this is partially because of the thermal dyn...