View Full Version : Integrated Standby Instruments System (ISIS) power source?


rionthai
3rd Sep 2009, 06:41
Integrated Standby Instruments System (ISIS)

what supply the power for it?



IFixPlanes
3rd Sep 2009, 09:10
At the A320 Fam.: 401PP (DC ESS BUS) and/or* 703PP (DC HOT BUS).
At the A330/340 Fam.: 403PP (DC ESS BUS) and/or* 701PP (DC HOT BUS).

* : "and/or" depends on the age and the modification status of the A/C ;)

john_tullamarine
3rd Sep 2009, 11:05
Appears to be a duplicate of the post in Questions ?

http://www.pprune.org/questions/387513-where-doe-integrated-standby-instruments-system-isis-derived-its-power.html

We'll leave the other one run.