Autoland

Question 1

Does Autoland Require Autothrottle and Autobrake?

Answer 1

No

Question 2

How many IRS are required for an Autoland?

Answer 2

2

Question 3

How many RAD ALTs are required for an Autoland?

Answer 3

2

Question 4

When is Autoland Enabled?

Answer 4

Automatically on aircraft Power up

Question 5

Where can you disable Autoland and what indication will you see?

Answer 5

MCDU
AUTOLAND OFF EICAS Message

Question 6

When is Autoland Engaged?

Answer 6

Flaps 5
RAD ALTs x 2 between 800ft & 1500ft

Question 7

Which Buttons are inhibited when Autoland is engaged?

Answer 7

TRS, SRC, NAV, APP, BANK, HDG, VNAV, FLC, FPA, VS

Question 8

When is Autoland ARMED?

Answer 8

Autoland Enabled
Autopilot Engaged
Yaw Damper Engaged
NAV 1 & 2 tuned to same ILS frequency
FD Approach Mode Selected
Flight Directors operational on both PFDs
Valid Airspeed & Baro on both PFDs
GS & LOC Deviation Valid on both PFDs
LOC1 & LOC 2 on Opposite PFDs as Nav Source
Both Minimums knob sent to RA
Minimums Selected to same Value
No Monitors Tripped
Not in Back Course
No EICAS Message (Autoland)

Question 9

What are the 5 Autoland Modes?

Answer 9

AFRDR

ALIGN
FLARE
RETD
D-ROT
RLOUT

Question 10

When does ALIGN mode engage?

Answer 10

150ft

Question 11

When does FLARE mode engage?

Answer 11

50ft

Question 12

When does RTD mode engage?

Answer 12

30ft (Only if Autothrottle is engaged)

Question 13

When does D-ROT engage?

Answer 13

Main Gear Touchdown

Question 14

When does R-LOUT engage?

Answer 14

Main Gear Touchdown

Question 15

When is the Automatic Pitch Trim Logic commanded?

Answer 15

800ft

Question 16

What is the purpose of the Automatic Pitch Trim Logic?

Answer 16

Trims UP to prevent a nose down transient in the event of an Autopilot disconnection

Question 17

When is Automatic Pitch Trim Logic Inhibited?

Answer 17

Below 50ft

Question 18

What is the difference between a 2 Engine and a OEI Autloland Approach Sequence?

Answer 18

Nothing

Question 19

Describe the Autoland Approach sequence

Answer 19

Above 1500ft
- APP Button pressed
- Autoland ARMED
- Autoland 1 WHITE ARMED on FMA
- LOC & GS ARM

1500ft
- Rudder Pedal Check by the Rudder Servo

Between 1500ft & 800ft
- LOC & GS Engage (Captured)
- Autoland ENGAGES
- Autoland 1 GREEN on FMA
- ALIGN & FLARE ARM

800ft
- Pre Trim UP commanded by the Automatic Pitch Trim Logic

150ft
- ALIGN engages GREEN
- RLOUT & RETD ARM (WHITE)

50ft
- FALARE engages GREEN
- D-ROT ARM (WHITE)
- Automatic Pitch Trim Logic Inhibited

30ft
- RETD engages GREEN

Main Gear Touchdown
RLOUT & D-ROT Engage GREEN
Autothrottle disengages

Autopilot Disconnect
- 5 seconds after touchdown

Question 20

How long after touchdown does the Autopilot disconnect after an Autoland?

Answer 20

5 seconds

Question 21

What colour is an External Failure?

Answer 21

AMBER

Question 22

What colour is an Internal Failure?

Answer 22

RED

Question 23

When is the Rudder Pedal check performed by the Parallel Rudder Servo?

Answer 23

1500ft

Question 24

What must the RA Minimums be set to for a CAT II & III Autoland?

Answer 24

CAT II - 80ft +
CAT III - 50ft +

Question 25

When is the Parallel Rudder engaged?

Answer 25

Autoland Engagement
Go Around with Autopilot Engaged

Question 26

How many rudder servos are there?

Answer 26

1
+ an extra Rudder Servo (Parallel Rudder)

Question 27

When happens during the Parallel Rudder Self Test?

Answer 27

Slow & Small movement of the Rudder Pedals

Question 28

During Final Approach what system logic does the Parallel Rudder apply?

Answer 28

Crab Technique until 150ft, then sideslip is applied

Question 29

What happens to the Autopilot during loss of the Rudder Servo during an Autoland?

Answer 29

Autopilot Disengages
Autoland Not possible

Question 30

What happens if the Rudder Servo is lost during a Go Around with Autopilot engaged?

Answer 30

Autopilot is disengaged