HYD G+B SYS LO PR

Question 1

Triggering conditions:

Answer 1

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.

Question 2

If the green hydraulic system is lost due to low level, what ECAM may appear?

Answer 2

“HYD PTU FAULT”

Will tell crew to select the PTU off.

Question 3

LAND ASAP?

Answer 3

Red.

Question 4

If blue SYS lost by ELEC PUMP LO PR?

Answer 4

RAT MAN ON

Question 5

Min RAT speed?

Answer 5

140 kts

Question 6

AFFECTED PUMPS-OFF

and:

Answer 6

Manoeuvre with care
Fuel consumpt incr
FMS pred unreliable

Question 7

ASSOCIATED PROCEDURES

F/CTL ALTN LAW
-Prot lost

Answer 7

Flight control normal laws and associated protections are lost.

Only load factor protection is furnished (alternate law without protections)

Question 8

ASSOCIATED PROCEDURES

Max speed

Answer 8

320/0.77

Due to high speed protection being lost

Question 9

ASSOCIATED PROCEDURES

Speed brakes

Answer 9

Do not use

Question 10

ASSOCIATED PROCEDURES

Min RAT speed

Answer 10

140 kts

Question 11

ASSOCIATED PROCEDURES

If blue SYS recovered?

Answer 11

Proceed for a single failure.

If not recovered proceed with PRO-ABN-10 LANDING WITH SLATS OR FLAPS JAMMED.

Question 12

SECONDARY FAILURES?

Answer 12

• WHEEL
• No green HYD system/LO PR
• F/CTL
• Spoilers and slats and flaps

Question 13

STS

Min RAT speed

Answer 13

140 kts

Question 14

STS

Max speed

Answer 14

320/0.77

Question 15

STS

Manoeuvre with

Answer 15

Care

Question 16

STS

Speed brakes

Answer 16

Do not use

Question 17

STS

APPR PROC

DUAL HYD SYS LO PR

Answer 17

This line is not displayed on ECAM.

If SYS lost by RSVR LO AIR PR then:
Related pumps ON

Question 18

STS

APPROACH PROCEDURES

If system lost by RSVR OVHT:

Answer 18

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)

Question 19

STS

APPROACH PROCEDURES

IF HYD NOT RECOVERED

Answer 19

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.

Question 20

STS

APPROACH PROCEDURES

FOR LDG?

Answer 20

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

Question 21

STS

APPROACH PROCEDURES

When speed 200kts (when Slats are selected to zero):

Answer 21

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.

Question 22

STS

APPROACH PROCEDURES

APPR SPEED

Answer 22

VREF +25kts

-Approach speed must be increased due to the loss of ailerons and slats.

Question 23

APPROACH PROCEDURES

STS

LDG DIST PROC

Answer 23

Apply.

Question 24

STS

APPROACH PROCEDURES

Alternate Law?

Answer 24

-Protections lost

Question 25

STS

APPROACH PROCEDURES

When L/G down?

Answer 25

Direct law.

Question 26

STS

APPROACH PROCEDURES

Remaining?

Answer 26

When L/G down direct law

Fuel consumpt incr

FMS pred unreliable

Flaps slow

Question 27

STS

INOP SYS

Answer 27

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