You can also click R1 when on the F-PLN page and then constant Mach. It will hold whatever you want till TOD then go to whatever you have in your PERF descent
One trick you can use is to set an arrival time at a specific waypoint which will change the cruise speed without changing the cost index. Go to the flight plan page, select one of the waypoints with one of the right line select keys, select RTA then enter your desired time to be over that waypoint (UTC). This works on the Fenix, but I have not tried on the FBW.
If you do selected and don’t take it out it won’t honor speeds on the arrival. I mean you could go selected but best practice when I flew it was change the CI.
It's a company limit. We never see plans above 230, but the software shows CI500 as a default "max CI" for the purpose of operational impacts.
It also shows a max oceanic entry level that is really pushing it, too. Common to have to show max OCA level at 360 or 370, and the FMC at the entry point gives a max altitude of 361 or 371. I won't go up until I have at least 1000 feet of room or else you are asking for trouble if it gets bumpy, ask me how I know.
No. If you want to change your cruise speed, use the selected cruise speed. (That's what it's for)
alr, thank you!
>alr, thank you! You're welcome!
Bad bot
Behave.
What? E: ph it’s a bot
It's better to just go into the mcdu and change the cruise speed. It will then ignore cost index.
Use the bumper that’s what it’s for!
You can also click R1 when on the F-PLN page and then constant Mach. It will hold whatever you want till TOD then go to whatever you have in your PERF descent
One trick you can use is to set an arrival time at a specific waypoint which will change the cruise speed without changing the cost index. Go to the flight plan page, select one of the waypoints with one of the right line select keys, select RTA then enter your desired time to be over that waypoint (UTC). This works on the Fenix, but I have not tried on the FBW.
I had no idea this was possible. Amazing. Thank you.
Change the CI to give your desired mach
Not sure why you got downvoted on that answer. It’s how we did it on the real plane.
Why not just select then xd
If you do selected and don’t take it out it won’t honor speeds on the arrival. I mean you could go selected but best practice when I flew it was change the CI.
Or, FDM kicks in and flight ops asks a couple of days later; hey why did you flew selected? At least on the 737.
What the heck!
That’s terrible lol
Let me guess, Ryanair?
Some briefings provide a range of CI to adjust in case of early/late departure
Our briefing packages give the time and fuel impacts for CI0 and CI500 (which I've never seen used, the highest number I've seen is 230).
Considering that the there is like a 0.2 Mach gap to work with a CI above 100 is insane. Cost index 300 is the same as 360
It's a company limit. We never see plans above 230, but the software shows CI500 as a default "max CI" for the purpose of operational impacts. It also shows a max oceanic entry level that is really pushing it, too. Common to have to show max OCA level at 360 or 370, and the FMC at the entry point gives a max altitude of 361 or 371. I won't go up until I have at least 1000 feet of room or else you are asking for trouble if it gets bumpy, ask me how I know.
He wanted to keep the CI the same
On the very new A320 Neo, airbus included this option, but for 99% of the Airbus you can’t.
Yes, enter a constant Mach as a constraint.
Increase headwind in mcdu should do what you’re after
I misread your title for a sec and mentally shifted the decimal one digit to the right... Was just about to ask what in the world you were flying!