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Recycling the Flight Directors

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At where I work we also cycle the PM's FD back on after switching both FD off (like on a visual approach or the visual segment of a non-precision IAP), as per what Ian said.

I know that this is a fairly recent change (less than 2 years?). I was told the reason is that in the event of a GA, both FDs would come back on. But upon selection of any subsequent mode, like LNAV at 400ft or VNAV at acceleration altitude, the FDs would now disappear again at a somewhat critical time. So by having the PM's FD on, it would prevent both crew having no FDs.

Hadn't heard about the thrust issues, but it certainly sounds possible. Problem we've had many times is that our sims at work (level-D) aren't always 100% accurate. So sometimes procedures will be validated in the sim only to find out that the airplane behaves differently.  A learning experience all around.

Mariano Bonaccorso
ROG Rampage V Edition 10, Intel Core i7-6850K 4.6GHz (OC & Watercooled), Corsair VLPX DDR4-3200 64GB , Samsung M2 960 PRO 2TB, SanDisk 1TBx2 (RAID 0)
EVGA GeForce GTX 1080 SC (2xSLI & Watercooled), Asus ROG PG348Q, TM HOTAS Warthog, Caselabs Merlin SM8, Corsair AX1500i, Win 10 Pro 64Bit, P3D Version 4



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