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kmanning

FMC says Nav Data is out of Date

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Hi,

I have the latest cycle installed but the FMC is still saying "Nav Date is out of Date." The FMC show the correct cycle and the active dates, which is from April 28th through May 26th. I use the Navgraph Date Manager to install these updates. So, why am I still getting that message "Nav Data out of Date?"

 

Ken.

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Hi,

 

You may check the date of your computer and your sim. I don't remember which date is taken as reference for the FMC to display this message but one of them must be wrong.

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Also, you might have changed the date in the sim on purpose to a date that is not within 4-28-2016 to 5-26-2016 valid time frame for AIRC 1605.

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Hi

Most of the time, I fly my simulator at night, and I usually set my simulator for the Summer season during the daylight hours. I change the month to the current month and now I no longer get the error message. But I have always set it for the summer season in the past and I don't recall ever seeing that message. The correct month cleared up the problem but the time has no effect on it. Even though it's night, I can set it for day light hours and it works okay. But as I said, I have not had this problem in the past, and now all of sudden, it comes up. But the message is gone now.

 

Ken.

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Hi

Most of the time, I fly my simulator at night, and I usually set my simulator for the Summer season during the daylight hours. I change the month to the current month and now I no longer get the error message. But I have always set it for the summer season in the past and I don't recall ever seeing that message. The correct month cleared up the problem but the time has no effect on it. Even though it's night, I can set it for day light hours and it works okay. But as I said, I have not had this problem in the past, and now all of sudden, it comes up. But the message is gone now.

 

Ken.

The day of the month, (and year) set within the simulator matters very much. If your Nav data expires on May 25th 2016, and the sim date is set to June 5, 2016, you WILL get the "out of date" FMS message. The same thing will happen if the sim date is set to a date BEFORE the loaded Nav cycle becomes valid. If the start date of the Nav data is May 1, and you set the sim date to April 15, you will also get the FMS message.

 

The Nav data will still work perfectly well, even if the in-sim date does not match. The message is advisory only.

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