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Airbus A320 Flaps/THS On Mcdu  
User currently offlineVrandar From United Kingdom, joined Jan 2003, 7 posts, RR: 0
Posted (10 years 4 months 3 days 20 hours ago) and read 11392 times:

In the MCDU on the Airbus A320 there is a LSK on the Perf page for the Flaps/THS setting. The Flaps element will relate to the flaps set for take off, but I'd be grateful to know what determines the figure to put in for the THS (Trimmable Horizontal Stabilizer). Given that it's on the same LSK as the flaps there must be some link but I'm afraid I don't know what that link might be (good job I'm not a pilot then). Are there tables anywhere giving this info? Thanks for any assistance.

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User currently offlineJeff G From United States of America, joined Jan 2002, 431 posts, RR: 1
Reply 1, posted (10 years 4 months 2 days 22 hours ago) and read 11321 times:

The pilots get the THS setting when running the W&B calculations, using whatever method (tables or software). It's set according to the aircraft's center of gravity.

The flaps setting and THS setting aren't calculated by the plane, at least with standard equipment. The fields on the FMGS T/O PERF page for flaps and THS are optional and are just reminders for the pilots. They don't appear to serve any other purpose.
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