A320 Braking technique

Operational Liaison Meeting FBW aircraft

2004

A320 Family A330/A340 Family

Summary of Braking Recommendations in the SOP

Customer Services

INTRODUCTION

BRAKING RECOMMENDATIONS

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

In the Standard Operating Procedures (SOP)

WHERE ?

Summary of Braking Recommendations in the SOP

WHAT ?

WHY ?

01/01/2004 © AIRBUS

Page 2

CONTENTS PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSHBACK OR START TAXI BEFORE TAKEOFF APPROACH LANDING AFTER LANDING

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 3

FLIGHT PHASE PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSHBACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 4

Parking Brake Accumulator Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

– PARKING BRAKE ……….ON – ACCU PRESS & BRAKE PRESS indicators…..CHECK ¾ The ACCU PRESS indication must be in the Green band.

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

¾If not, recharge the accumulator using the YELLOW electric pump (SA aircraft), or the BLUE electric pump (LR aircraft).

AFTER LANDING PARKING SECURING THE AIRCRAFT

WARNING: Obtain ground crew clearance BEFORE using the electric pump

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 5

Alternate Braking System: Check of spongy pedals PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

Objective: Check for absence of “spongy pedals” Dual

AUXILIARY LP DISTRIBUTION LINE

valve

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH

¾Only performed before the first flight of the day

LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 6

Alternate Braking System:Check of spongy pedals… PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

- Y ELEC PUMP………..CHECK OFF ¾ For SA aircraft only. ¾ Ensures GREEN hydraulic system is not pressurized via the PTU.

¾ Normal braking system is not available.

- CHOCKS……………....CHECK IN PLACE - PARKING BRAKE…….OFF - BRAKE PEDALS ……..PRESS - BRAKE PRESSURE….CHECK

AFTER LANDING PARKING SECURING THE AIRCRAFT

If unsuccessful, maintenance action is due.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 7

Alternate Braking System:Check of spongy pedals… PRELIMINARY COCKPIT PREPARATION

Single-Aisle aircraft With BSCS EM²

A340-500/600 aircraft

COCKPIT PREPARATION BEFORE PUSH BACK OR START

ABCU

No Auxiliary LP Distribution Line

TAXI

EBCU

BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING

ALTERNATE BRAKING SYSTEM CHECK

SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 8

Check of brake wear indicators PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

- PARKING BRAKE…….. ON ¾ To enable the flight crew to check brake wear indicators during the exterior inspection.

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 9

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 10

Parking Brake Handle Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION

–PARKING BRAKE……..ON THEN OFF ¾To check parking brake pressure

BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 11

Parking Brake Handle Check … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION

–PARKING BRAKE……..ON THEN OFF ¾To check parking brake pressure

BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING

If chocks are in place, release the parking brake to increase brake cooling during transit.

PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 12

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 13

Parking Brake ACCU Pressure Check PRELIMINARY COCKPIT PREPARATION

– PARKING BRAKE ACCU PRESS…..CHECK

COCKPIT PREPARATION

¾The ACCU PRESS indication

BEFORE PUSH BACK OR START

must be in the Green band.

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

¾ To ensure parking brake availability, in case emergency braking is required during pushback due to a broken towbar. Do NOT use brakes during pushback, unless required due to an emergency

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 14

Parking Brake Procedure PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

•If during engine start, the aircraft starts moving with parking brake ON: – PARKING BRAKE…..OFF – BRAKE PEDALS……PRESS

¾For only A320 Family without new pressure switch (Mod 30062 – SB A320-32-1201), braking via pedals is not possible while the parking brake is ON.

AFTER LANDING

¾However, there is one single procedure in the

PARKING

SOP for all aircraft types, to cover Mixed Fleet cases.

SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 15

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 16

No Residual Pressure Check PRELIMINARY COCKPIT PREPARATION

– PARKING BRAKE…………….OFF ¾ Check

that brake pressure is zero

COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

For the A340-500/600 aircraft:

AFTER LANDING

If the brake pedals are pressed, before releasing the parking brake, alternate braking remains active.

PARKING SECURING THE AIRCRAFT

¾ Alternate pressure is displayed until pedals are released. ¾ Corrected via the BSCU S3B Standard (MOD 52465)

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 17

Normal Braking Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION

¾ Once

the aircraft starts moving:

BEFORE PUSH BACK OR START

1) Check normal braking efficiency

TAXI

2) Shuttle valve check – Check that GREEN pressure has taken over the YELLOW (SA aircraft) pressure, or the BLUE (LR aircraft) pressure.

BEFORE TAKEOFF APPROACH © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

Normal braking check: – BRAKES………………………………..CHECK

LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 18

Shuttle Valve Check… GREEN HP NORM BRK

BLUE (A330/A340) or YELLOW (A320) HP

SEL VALVE

If no brake pedal order

SHUTTLE VALVE

Closed BDDV

AUXILIARY LP DISTRIBUTION LINE To other

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

gear

WHEEL

NORMAL SERVO VALVE

ALTERNATE SERVO VALVE

T A C H

Summary of Braking Recommendations in the SOP

BSCU

01/01/2004 © AIRBUS

Page 19

Shuttle Valve Check… GREEN HP NORM BRK

BLUE (A330/A340) or YELLOW (A320) HP

SEL VALVE

Brake pedals pressed No pressure

SHUTTLE VALVE

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

BDDV

WHEEL

NORMAL SERVO VALVE

Regulates according to pedal position

AUXILLARY LP DISTRIBUTION LINE To other gear

ALTERNATE SERVO VALVE

T A C H

Summary of Braking Recommendations in the SOP

BSCU

01/01/2004 © AIRBUS

Page 20

Spongy Pedals Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

– BRAKES………………………………..CHECK ¾ Once

the aircraft starts moving:

– Check normal braking efficiency – Check that GREEN pressure has taken over the YELLOW (SA aircraft) pressure, or the BLUE (LR aircraft) pressure.

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING

¾ 3)“Spongy”

pedals indicate a degraded performance of the alternate braking system.

PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 21

Removal of Shuttle Valve and Spongy Pedals Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

– BRAKES………………………………..CHECK ¾ Once

the aircraft starts moving:

– Check normal braking efficiency – Check that GREEN pressure has taken over the YELLOW (SA aircraft) pressure, or the BLUE (LR aircraft) pressure.

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

¾ “Spongy”

pedals indicate a degraded performance of the alternate braking system. NOT APPLICABLE to A340-500/600 or singleaisle aircraft with the BSCS EM² Standard

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 22

Removal of Shuttle Valve and Spongy Pedals Check… GREEN HP

BLUE (A340-500/600) or YELLOW (A320) HP

NORM BRK SEL VALVE

A340-500/600 and SA aircraft with BSCS EM²

ALTN BRK SEL VALVE

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

ALTN SERVO VALVE

WHEELS T A C H

NORMAL SERVO VALVE

ABCU or EBCU Shuttle Valve removed

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 23

Brakes Recommendations PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

Do not “ride” the brakes, to reduce brake wear. ¾If an arc is displayed on the ECAM wheel page, above the brake temperature, set the brake FANS ON: ÎTo

reduce brake wear,

TAXI BEFORE TAKEOFF

Messier - Bugatti

Wear rate

Honeywell-ALS

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

BF Goodrich

AFTER LANDING PARKING SECURING THE AIRCRAFT

0

80

150

Summary of Braking Recommendations in the SOP

250

315

500

Indicated temperature ° C

01/01/2004 © AIRBUS

Page 24

Brakes Recommendations … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

Do not “ride” the brakes, to reduce brake wear. ¾If an arc is displayed on the ECAM wheel page, above the brake temperature, set the brake FANS ON: ÎTo

reduce brake wear. ÎMore important,to ensure that maximum energy will be sustained,in case of a rejected takeoff.

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 25

Autobrake selection PRELIMINARY COCKPIT PREPARATION

A340-500/600

Other

COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

¾Enhances safety, in case of a rejected takeoff. ¾Perform the flight control check before arming the autobrake: ¾ To check that ground spoilers are not extended ÎTo prevent autobrake activation when armed.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 26

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 27

Brake Temperature Monitoring PRELIMINARY COCKPIT PREPARATION

Brake type

Max brake temp for takeoff

ABS (SA aircraft only)

260°C

OTHER

300°C

COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Prevents hydraulic fluid ignition in the main landing gear bay, in the event of a fluid leak.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 28

Brake Temperature Monitoring … PRELIMINARY COCKPIT PREPARATION

Brake type

COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

ABS (SA aircraft only)

Max brake temp for takeoff

260°C

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

OTHER

SECURING THE AIRCRAFT

“ BRAKES HOT ”

ECAM “ BRAKES HOT ”

300°C

Flight Crew

ON

AFTER LANDING

Monitoring

ECAM

Not installed Or OFF

APPROACH

PARKING

Not installed Or OFF ON

BEFORE TAKEOFF

LANDING

Brake Fans

Displayed brake temp

Prevents hydraulic fluid ignition in the main landing gear bay, in the event of a fluid leak.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 29

Brake Temperature Monitoring … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

Î Do not takeoff, in case of: ΓBRAKES ÎBrake

HOT” ECAM Caution, or

temp> 150°C with the brake fans ON,

and no ABS brakes

BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

Î Do not takeoff with the brake fans ON, to avoid brake fan damage caused by debris.

AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 30

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 31

Autobrake Selection PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

• AUTOBRAKE………………. AS REQUIRED • Use of the autobrake is preferred to: ¾Optimize

the deceleration rate

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH

¾Ensure

single brake application

ÎReduce carbon brake wear

LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 32

Autobrake Selection… PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION

AUTOBRAKE MODE A340500/600

OTHER

LO, 2 or 3

LO

Long and dry runways

4

MED

Short or contaminated runways

RTO

MAX

Not recommended for landing

CONDITION

BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

HI

Summary of Braking Recommendations in the SOP

In some emergency or short runway situations 01/01/2004 © AIRBUS

Page 33

Autobrake Selection… PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION

AUTOBRAKE MODE A340500/600

BEFORE PUSH BACK OR START

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

CONDITION On wet or contaminated runways, use

manual braking and maximum reverse.

TAXI BEFORE TAKEOFF

OTHER TEMPORARY REVISION on A340-500/600:

Î Cancelled by BSCU S3B Standard LO, 2 or 3

LO

Long and dry runways

4

MED

Short or contaminated runways

MAX

Not recommended for landing

AFTER LANDING PARKING SECURING THE AIRCRAFT

HI

Summary of Braking Recommendations in the SOP

In some emergency or short runway situations 01/01/2004 © AIRBUS

Page 34

Residual Braking Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

• WHEN LANDING GEAR IS DOWN: ¾ Check

residual braking on the triple indicator

TAXI BEFORE TAKEOFF

If YES:

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 35

Residual Braking Check … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

¾Check residual braking on the triple indicator

With A330 FWC K7, and

A340-500/600 FWC W3:

BEFORE TAKEOFF APPROACH © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

• WHEN LANDING GEAR IS DOWN:

LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

“RESIDUAL BRAKING” ECAMYES alert not inhibited in flight BRAKES RESIDUAL BRAKING - RESIDUAL BRKG PROC…….APPLY

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 36

Residual Braking Check … PRELIMINARY COCKPIT PREPARATION

• WHEN LANDING GEAR IS DOWN:

COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

•With A340 FWC L10, “RESIDUAL BRAKING” procedure displayed on ECAM

BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING

•Will be introduced in: -A330 FWC K8 -A340-500/600 FWC W4

SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 37

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 38

Autobrake Monitoring PRELIMINARY COCKPIT PREPARATION

• BRAKES………………………..AS REQUIRED ¾ Monitor the autobrake efficiency

COCKPIT PREPARATION

A340-500/600

BEFORE PUSH BACK OR START

Other

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING

¾If required, brake with pedals.

• Before 20 knots: AUTO BRK………………………..DISENGAGE

PARKING

–

SECURING THE AIRCRAFT

¾To

prevent brake jerks at low speed.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 39

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 40

Brake Temperature Monitoring PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

–BRAKE TEMPERATURE………….CHECK ¾Check for discrepancies and high temperature ¾Select brake fans: ‰

ÎAllow thermal equalization and stabilization to avoid oxidation of brake surface hot spots

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

At least 5 minutes after the temperature check to:

‰

Or,just before stopping at the gate, to: Î Prevent carbon dust from being blown over ground personnel

However, when turnaround time is short, or brake temperatures are likely to exceed 500°C (ABS: 350°C): Use brake fans

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 41

Brake Temperature Monitoring… PRELIMINARY COCKPIT PREPARATION

–BRAKE TEMPERATURE………….CHECK

COCKPIT PREPARATION BEFORE PUSH BACK OR START

Refer to the FCOM 3.04.32 for

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH

brake temperature limitations requiring maintenance action

LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 42

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 43

Parking Brake Accumulator Check PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START

– PARKING BRAKE ACCU PRESS………CHECK ¾The ACCU PRESS indication must be in the Green band.

TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

¾If not, chocks are required before: ¾ ENG

1 shutdown (A320 FAM) ¾ ENG 1 and 2 shutdown (A330) ¾ ENG 1 and 4 shutdown (A340)

ÎTo ensure Green Hydraulic pressure/ normal braking availability

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 44

Parking Brake selection with Hot Brakes PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

– PARKING BRAKE…………..……ON ¾If the brake temperature is above 500°C (350°C with the Brake Fans ON, and for non ABS brakes), and unless operationally necessary:

BEFORE TAKEOFF

– Avoid

applying the parking brake

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING

ÎTo prevent brake damage

AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 45

Parking Brake selection with Hot Brakes … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

• After shutting down the engines, and checking that the chocks are in place: – PARKING BRAKE…………..……AS RQRD

¾If the brake temperature is above 300°C (150°C with the Brake Fans ON, and for non ABS brakes),

BEFORE TAKEOFF

and unless operationally necessary:

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING

– Avoid

applying the parking brake

ÎTo prevent brake damage, due to brake

PARKING

application for an extended period of time,

SECURING THE AIRCRAFT

and at high temperatures.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 46

FLIGHT PHASE … PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 47

Parking Brake Selection PRELIMINARY COCKPIT PREPARATION COCKPIT PREPARATION BEFORE PUSH BACK OR START TAXI

– PARKING BRAKE……………CHECK ON ¾ To

reduce the hydraulic leak rate in the brake accumulator

BEFORE TAKEOFF

© AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

APPROACH LANDING AFTER LANDING PARKING SECURING THE AIRCRAFT

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 48

CONCLUSION

• These recommendations take the following aspects into account: SAFETY  COST EFFECTIVENESS 

• Brake checks to be applied as all brake functions can not be © AIRBUS S.A.S. All rights reserved. Confidential and proprietary document.

automatically monitored.

• New Braking design/softwares developed to enhance braking operations and reduce crew workload.

Summary of Braking Recommendations in the SOP

01/01/2004 © AIRBUS

Page 49

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