Landing Gear + Brakes

Question 1

Pedal vs Tiller Steering and Min Width for 180?

Answer 1

TILLER: 65 degrees

RUDDER: 7 degrees

146’

Question 2

Is air/ground sensor same for NOSE vs MAIN?

Answer 2

No:

MAINS = Tilt Sensors on each truck

NOSE = Nose strut air/ground system

Question 3

AIR/GND Sensors of nosewheel for?

Answer 3

• Stall Warning
• EICAS Master Warn/Caution

Question 4

GEAR light + GEAR DISAGREE EICAS?

How is GEAR held up?

Answer 4

Gear position disagrees with handle position.

• NOSE = Uplocks
• MAINS = Door Structure

Question 5

DOORS light?

Answer 5

At least one gear door OPEN after gear extension or retraction

Question 6

Gear Lock Override button allows?

Answer 6

Moving the LND GEAR LVR UP after takeoff in non-normal situations.

*button unlocked by main gear truck tilt

Question 7

ALTN GEAR EXT operation?

Answer 7

Uses an electric motor to release the locking mechanism for each GEAR and DOOR uplock.

GEAR will free-fall to the DOWN + LOCKED position.

GEAR DOORS remain OPEN.

Question 8

4 BRAKE SYS AVAIL?

Answer 8

1. NORM
2. ALTN
3. RSV
4. ACCUMULATOR

Question 9

ANTISKID OPS available for all 4 SYS?

Answer 9

YES

• NORM = Each Tire
• ALTN = Wheel Pairs
• RSV = Wheel Pairs
• ACCUM = Each Tire

Question 10

AUTOBRAKE order of effectiveness?

Answer 10

1. RTO
2. MAX MAN
3. MAX AUTO

Question 11

NORM BRAKE HYD SYS?

Failure results in?

Answer 11

R HYD SYS

Loss of R HYD PRESS results in NORM brake failure and the ALTN brakes automatically become operational with no indication to the crew.

ALTN brakes powered by C HYD SYS

Question 12

AUTOBRAKES discrete light?

Answer 12

• SYS DISARMED
• SYS FAULT

Question 13

ALTN BRAKE HYD SYS?

Answer 13

C HYD SYS

Question 14

RSV BRAKE SYS and how is it engaged?

Answer 14

RESERVE BRAKES STRG button on panel

Pushing switch restricts flow of C1 pump fluid to only the ALT BRAKES + STEERING

Question 15

BRAKE SOURCE light?

Answer 15

NORM + ALTN + RSV brakes are not operative

_{<em>Only ACCUMULATOR BRAKES avail!</em>}

Question 16

ACCUMULATOR BRAKING?

Answer 16

• NORM R HYD SYS PRESS braking components
  
  • so they technically have anti-skid to each tire
• Activate automatically with failure of all other SYS.
• BRAKE SOURCE will illume

Question 17

ANTISKID light on overhead panel?

Answer 17

• SYS Malfunction
• Power Loss

Question 18

AUTOBRAKE ops require?

What do they specifically control?

Answer 18

REQUIREMENTS:

• NORM BRAKE SYS
• 1 IRU required for OPS

FUNCTIONALITY:

• Deceleration Rate only
  
  • As TR + SPD BRAKES deploy, pressure is reduced to maintain selected rate

Question 19

When is AUTOBRAKING activated?

Answer 19

• ON GND
• TL IDLE

Question 20

How are AUTOBRAKES disarmed after landing?

Answer 20

1. Apply Manual Brakes
2. Advance TL
3. SPD BRAKE LVR to DOWN
4. Switch to DISARM or OFF

^{<em>* first 3 will move selector to DISARM automatically and AUTO BRAKES light will illume on panel</em>}

Question 21

AUTOBRAKES RTO avail? Does RTO provide MAX BRAKING?

Answer 21

Above 85KTS on GND with both TL IDLE

Yes. RTO is MAX AVAIL BRAKING on B767

Question 22

BRAKE PRESS indicator can show PRESS from what two systems?

Answer 22

1. R HYD SYS
2. ACCUMULATOR

Question 23

PARK BRAKE light indicates?

Answer 23

PARK BRAKE VLV is closed.

This shuts OFF return line from the ANTISKID VLVs and locks in HYD PRESS for brakes.

Question 24

PARK BRAKE panel light as a non-normal affects what system?

Answer 24

ANTI-SKID operation INOP

Question 25

Which BRAKE SYS can set PARK BRAKE?

Answer 25

Only NORM + ACCUMULATOR

Question 26

STATUS PAGE/BRAKE TEMP light illumes for?

Answer 26

Any EICAS brake temp(s) of 5 or more

Question 27

TAIL SKID light?

Answer 27

Disagree between skid position and LNG GR LVR

• *inhibited during normal gear ext + retract*
• *C HYD SYS for power*