What am I doing wrong?

[REDCIAA]

I have the PMDG 747 Queen of the skies add on for FSX... lol I paid $25 for it at Target. 8-)

[Brett_Henderson]

It's been a while since I flew that aircraft .. it's a great model.. complex enough to hold your interrest..

It sounds like you might have set something wrong on the takeoff/performance page in the FMC.. and 'de-rated' the engines below needed takeof thrust ?

You should fly this thing for a good bit without the FMC anyway.. get a feel for it through climb/cruise/descent/landing, before turning it all over to the FMC. If I remember correctly.. there are pilot-controlled settings for