Hi..I'm using FS9 and PMDG 737, Before takeof I sometimed get the message A/T fist, and the A/Tcant latch.I'm using the same startup procedure all the time, but gettingthis error only once in a whileIt seems that restarting the Fs helps but Im not shurecan someone please explain this..tore

That is a typical failure that happens when you have not switched on the engines generators after starting up.If the generators are off, the autothrottle will not arm.

Hi..YES that was the problem..Thankstore