I have a question on FMC route data entry to which I cannot find an answer.

 

My problem scenario occurred when intending to set the STAR during flight. Instead of selecting the “Departure Airport” I selected the Departure ICAO (R1 button) instead of the Arrival ICAO (R2 button) and also selected a runway. I realised my mistake when the STARs presented were not what I expected. I have been unable to back track to select the Arrival ICAO (R2 button) – it keeps on reverting to the incorrectly selected IACO and is expecting me to EXECUTE the change. I’ve also noticed that the FMC expects the change to be EXECUTED (R6 button). Doing that clears the flight plan which is not what I want.

 

My question is how to I back track if I accidentally ended up in this scenario without losing the flight plan i.e. I would like to revert back to the state before accidentally selecting the wrong arrival ICAO and not EXECUTE the "mistake" 

 

I could imagine that I’m not the first or only virtual pilot making this mistake so it must have been raised before and probably answered as well but I could not find the answer in my searches.

 

Eagerly awaiting your response.

 

Will

I think if you click on Erase at the bottom left of the CDU your selecting the departure rather than arrival airport is gone. Then you can select arrival airport and go from there.

I dont think the FMC expects you to execute. Even if you do you can re select dep arr for the correct arrival code and the arrival, then execute. After that, go to the legs page to the last fix before the wrong arrival and bypass the wrong fixes with the correct arrival first fix. Get rid of any discontinuity, then execute.

 

Always crosscheck the FMC arrival fixes and speed and altitude constraints with the corresponding chart.

 

 

My question is how to I back track if I accidentally ended up in this scenario without losing the flight plan i.e. I would like to revert back to the state before accidentally selecting the wrong arrival ICAO and not EXECUTE the "mistake" 

 

Instead of hitting EXEC, there is often an ERASE prompt on the CDU at any time you're making changes like that. It will be at LSK 6L. You can also simply hit DEP ARR and reselect the SID/STAR as appropriate.

 

Full names - first and last - in the forum, please.

Thank you for al the inputs gents. I'll certainly be lookin into your suggestion.in cas I make anotherblunder and have to get out of it again

 

Regards.

 

Wlll