Dear all, while setting up the route i often get the message in the FMC saying that a certain speed cannot be achieve. How to solve this? In this specific case, as you can see in the screenshot, from RUSME to OAKES i have 136 NM to go. So why the aircraft cannot reduce the speed to 280 KTS (as req…

If that’s a speed restriction, change it for 280B (280 or below). You input that by typing 280B/. Try not to delete the restriction as you cannot enter altitude restriction brackets in the 737 (FL240 FL320).

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PMDG 737 - unable xxx KTS at

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GaboEIGordo May 26, 2022, 12:50pm 7

You can hit 280 kts at FL320 no problem.