PPRuNe Forums - Search Results

Search: Posts Made By: MickG0105

Showing results 1 to 4 of 4
Search took 0.00 seconds.

Forum: Engineers & Technicians

8th Sep 2016, 09:29

Replies: 9

B777 Crew oxygen system

Views: 2,735

Posted By MickG0105

spannersatcx, plhought, CAR42ZE, thank you for...

spannersatcx, plhought, CAR42ZE, thank you for your insights, very much appreciated.

CAR42ZE, yes, I've heard about the long layovers and the, ahem, refreshers ... apparently sometimes at the...

Forum: Engineers & Technicians

7th Sep 2016, 12:11

Replies: 9

B777 Crew oxygen system

Views: 2,735

Posted By MickG0105

Thanks yotty. I am looking at an...

Thanks yotty.
I am looking at an investigation report that says "the decay in pressure from the nominal value of 1850 psi [to 1120 psi over 75 flights] was not unusual.". However, it strikes me...

Forum: Engineers & Technicians

6th Sep 2016, 00:55

Replies: 9

B777 Crew oxygen system

Views: 2,735

Posted By MickG0105

Aircrew perform a 5 second check on their mask...

Aircrew perform a 5 second check on their mask before each flight and the system itself is bled for 15 seconds at the start of each flight as part of the pressure check. So there's about 30...

Forum: Engineers & Technicians

5th Sep 2016, 21:37

Replies: 9

B777 Crew oxygen system

Views: 2,735

Posted By MickG0105

B777 Crew oxygen system

A question for anyone familiar with the servicing of the cockpit crew oxygen system on the B777.
Would a drop in pressure of some 730 psi (from fully charged at 1850 psi to 1120 psi) over about a...

Showing results 1 to 4 of 4