HYD G+B SYS LO PR Flashcards
Triggering conditions:
When the green and blue systems pressure is equal to or less than 1450psi.
The alert resets when system pressure is equal to or greater than 1750psi.
If the green hydraulic system is lost due to low level, what ECAM may appear?
“HYD PTU FAULT”
Will tell crew to select the PTU off.
LAND ASAP?
Red.
If blue SYS lost by ELEC PUMP LO PR?
RAT MAN ON
Min RAT speed?
140 kts
AFFECTED PUMPS-OFF
and:
Manoeuvre with care
Fuel consumpt incr
FMS pred unreliable
ASSOCIATED PROCEDURES
F/CTL ALTN LAW
-Prot lost
Flight control normal laws and associated protections are lost.
Only load factor protection is furnished (alternate law without protections)
ASSOCIATED PROCEDURES
Max speed
320/0.77
Due to high speed protection being lost
ASSOCIATED PROCEDURES
Speed brakes
Do not use
ASSOCIATED PROCEDURES
Min RAT speed
140 kts
ASSOCIATED PROCEDURES
If blue SYS recovered?
Proceed for a single failure.
If not recovered proceed with PRO-ABN-10 LANDING WITH SLATS OR FLAPS JAMMED.
SECONDARY FAILURES?
- WHEEL
- No green HYD system/LO PR
- F/CTL
- Spoilers and slats and flaps
STS
Min RAT speed
140 kts
STS
Max speed
320/0.77
STS
Manoeuvre with
Care
STS
Speed brakes
Do not use
STS
APPR PROC
DUAL HYD SYS LO PR
This line is not displayed on ECAM.
If SYS lost by RSVR LO AIR PR then:
Related pumps ON
STS
APPROACH PROCEDURES
If system lost by RSVR OVHT:
If blue OVHT-BLUE ELEC PUMP AUTO
If green OVHT-GREEN ENG 1 PUMP ON
(In both of the above if the OVHT condition has ceased)
STS
APPROACH PROCEDURES
IF HYD NOT RECOVERED
A/THR OFF
-Select target speed on FCU. Due to the loss of Slats and some control surfaces the A/THR may not satisfactorily maintain speed.
STS
APPROACH PROCEDURES
FOR LDG?
Use flap 3.
- FOR LDG USE FLAP 3 is displayed as a reminder when CONF 3 is selected.
- At this point crew should select GPWS LDG FLAP 3 ON
STS
APPROACH PROCEDURES
When speed 200kts (when Slats are selected to zero):
L/G GRVTY EXTN
-Extend the landing gear sooner at 200kts. This provides, below 200kts, better pitch control in alternate law with one elevator lost and all slats lost.
STS
APPROACH PROCEDURES
APPR SPEED
VREF +25kts
-Approach speed must be increased due to the loss of ailerons and slats.
APPROACH PROCEDURES
STS
LDG DIST PROC
Apply.
STS
APPROACH PROCEDURES
Alternate Law?
-Protections lost
STS
APPROACH PROCEDURES
When L/G down?
Direct law.
STS
APPROACH PROCEDURES
Remaining?
When L/G down direct law
Fuel consumpt incr
FMS pred unreliable
Flaps slow
STS
INOP SYS
G+B HYD F/CTL protection L elev L+R aileron SPLRS 1,3 and 5 Slats AP 1+2 Autobrake Normal brake L/G retract Reverser 1 Emergency gen (if blue LO level) Blue electric pump Yaw damper 1 Cat 2
