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Forum: Tech Log
27th Nov 2023, 07:44
Replies: 4
Views: 972
Posted By sm165019117

how to use OPT ALT in Boeing 777

OPT ALT is determined based on aircraft gross weight and cruise speed in still air. I am confused why BOEING put this in CRZ page, we determine the CRZ alt by using the MAX(-1000ft) or REC alt...
Forum: Tech Log
4th Nov 2023, 12:11
Replies: 11
Views: 1,841
Posted By sm165019117

very useful, thanks for helping.

very useful, thanks for helping.
Forum: Tech Log
4th Nov 2023, 04:24
Replies: 11
Views: 1,841
Posted By sm165019117

Thanks a lot, that's exactly what i want to...

Thanks a lot, that's exactly what i want to learn, could you give me more details or where i can find more? by the way, when the v/s mode activity, will it be changed by attitude changed? or just...
Forum: Tech Log
4th Nov 2023, 04:24
Replies: 11
Views: 1,841
Posted By sm165019117

Thanks a lot, that's exactly what i want to...

Thanks a lot, that's exactly what i want to learn, could you give me more details or where i can find more? by the way, when the v/s mode activity, will it be changed by attitude changed? or just...
Forum: Tech Log
4th Nov 2023, 03:52
Replies: 11
Views: 1,841
Posted By sm165019117

thanks for answering, could do you explain when...

thanks for answering, could do you explain when pm side turning on, the FMA is changed showing "ATT" what' s this used for?
Forum: Tech Log
4th Nov 2023, 03:51
Replies: 11
Views: 1,841
Posted By sm165019117

thanks for answering, could do you explain when...

thanks for answering, could do you explain when pm side turning on, the FMA is changed showing "ATT" what' s this used for?
Forum: Tech Log
3rd Nov 2023, 10:18
Replies: 11
Views: 1,841
Posted By sm165019117

Use of flight director BOEING 777

when the flight director is not required, the pilots in left and right seat
should reset it according to the procedures:
Flight Director Switches (Both) .......................................OFF...
Forum: Tech Log
28th Oct 2023, 01:15
Replies: 2
Views: 1,024
Posted By sm165019117

B777 airspeed unreliable or disagree

as we all know there is airspeed unreliable checklist in QRH of B777, my question is would it happen that airspeed disagree on both PFD?
Forum: Tech Log
13th Oct 2023, 06:22
Replies: 2
Views: 866
Posted By sm165019117

Thanks a lot, you are right. I checked the...

Thanks a lot, you are right. I checked the electric synoptic during turning the R demand pump to auto, there was a load shed showed. it seems that galley doesn't work or stop working at that moment.
Forum: Tech Log
10th Oct 2023, 11:00
Replies: 2
Views: 866
Posted By sm165019117

B777 Why is so quiet while turning R demand pump on?

i found when we need to pressurize the hydraulic system before pushback, after turning on the R demand pump to auto, there will be quiet in cockpit for a while ( sounds like fans stop working), i am...
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