ATR72 600 HYDRAULICS EXAM 2025
QUESTIONS AND ANSWERS
What are the hyd tank filling levels? - ....ANSWER ...-Total 9.6L
Norm 9.35L
Min 8.5L
Alert lvl 2.5L
(4L for each compartment)
When will the aux hyd pump run with PB in auto? (4) - ....ANSWER ...--Blue
pump press <1500psi
+ -Prop brk OFF
+ -Gear hdl down
+ -At least one eng running
What are the 3 hyd syst alerts? - ....ANSWER ...-LO LVL <2.5L
OVHT >121º
LO PR <1500psi (pump delivery press)
What pwrs the blue, green and auxiliary pumps? - ....ANSWER ...-Blue: ACW
BUS1
Green: ACW BUS2
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
QUESTIONS AND ANSWERS
What are the hyd tank filling levels? - ....ANSWER ...-Total 9.6L
Norm 9.35L
Min 8.5L
Alert lvl 2.5L
(4L for each compartment)
When will the aux hyd pump run with PB in auto? (4) - ....ANSWER ...--Blue
pump press <1500psi
+ -Prop brk OFF
+ -Gear hdl down
+ -At least one eng running
What are the 3 hyd syst alerts? - ....ANSWER ...-LO LVL <2.5L
OVHT >121º
LO PR <1500psi (pump delivery press)
What pwrs the blue, green and auxiliary pumps? - ....ANSWER ...-Blue: ACW
BUS1
Green: ACW BUS2
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1