mode reversionsmode reversions - smartcockpit · mode reversions are inherent to the integration of...

MODE REVERSIONSMODE REVERSIONSMODE REVERSIONSMODE REVERSIONSMODE REVERSIONSMODE REVERSIONSMODE REVERSIONSMODE REVERSIONS

1

WHY MODE REVERSIONS ?

Mode reversions are inherent to the integration of the AutopilotAutopilot and Auto thrustAuto thrustintegration of the AutopilotAutopilot and Auto thrustAuto thrust.

The necessary design of automation behaviorautomation behaviori vario s ar i al circ sta cesar i al circ sta cesn u m g n um nm g n um n .

2

MODES

LATERALLATERAL

VERTICALVERTICALVERTICALVERTICAL

3

CCC

LATERAL

NAV to HDG discontinuityCCC

BBB

ClickClickCli k

AAA

Click

FROM UTC SPD/ALT

AAA 1210 280/FL130

BBB 1215 280/FL130BBB 1215 280/FL130

- - - - - - F-PLN DISCONTINUITY - - - - - - -

CCC 1219 280/FL130

4

LAT - DISCONT AHEAD

CCC

LATERAL

NAV to HDG discontinuityCCC

BBB

ClickClickCli k

FROM UTC SPD/ALTAAA

ClickPPOS 1215 280/FL130

- - - - - - F-PLN DISCONTINUITY - - - - - - -

CCC 1219 280/FL130FROM UTC SPD/ALT

AAA 1210 280/FL130

BBB 1215 280/FL130BBB 1215 280/FL130

- - - - - - F-PLN DISCONTINUITY - - - - - - -

CCC 1219 280/FL130

5

LAT - DISCONT AHEAD

VERTICAL

*ALT* Altitude Target ChangeAltitude Target Change Auto Disengagement of VerticalV/S excessiveFD orders not followedFD orders not followed

6

ClickClick

Triple clicks come 5’’ later

if no pilot ti ALT

VERTICAL

- ALT*ClickClick

action on ALT or V/S Knobs

7

ClickClick

Triple clicks come 5’’ later

if no pilot ti ALT

VERTICAL

- ALT*ClickClick

action on ALT or V/S Knobs

V/S boxed white for 10 V/S boxed white for 10 more seconds

V/S engaged on current A/C V/S

8

VERTICAL

- ALT set below current altitude

9

VERTICAL

- ALT set below current altitude

ClickClickClick

Triple clicks come 5’’ later if no pilot action on ALT or V/S Knobs

V/S boxed white for 10 more seconds

10

VERTICAL

- Auto disengagement of vertical

11

VERTICAL

- Auto disengagement of vertical

12

VERTICAL

- Auto disengagement of vertical

13

VERTICAL

- Excessive V/S in climb

Reaching VLSReaching VLS (or VLS-5)

ClickClickClickClick

14

VERTICAL

- Excessive V/S in climb

Reaching VLS

Note: This does not apply to A320 without GSP

Reaching VLS (or VLS-5)

ClickClickClickClick

15

VERTICAL

- Excessive V/S in descent

Reaching Vmax VFE VLE ( , ,

VMO)

ClickClickClick

16

VERTICAL

- Excessive V/S in descent

Note: This does not apply to A320 without GSP

Reaching Vmax VFE VLE ( , ,

VMO)

ClickClickClick

17

If Speed

VERTICAL

- FD orders not followed

ClickClickClick

protection activated,

pitch up will occur

Note: This does not apply to A320 ith t GSP

Reaching VMAX + 4 VMO VLE VFE

A320 without GSP

( , , )

18

VERTICAL

- FD orders not followed

ClickClickClick

Reaching Vls-2(or Vls-17)( )

19

Note: This does not apply to A320 without GSP

VERTICAL

- FD orders not followed

ClickClickClick

If Alpha protection is

reached, Alpha Fl illFloor will engage

Reaching Vls-2(or Vls-17)( )

20