| Honeywell MCP |
| Mode Control Panel |
LNAV Switch
Push –
Push –
- Commands AFDS roll to intercept and track the active FMC
route. - Annunciates LNAV as the roll mode and illuminates LNAV
switch light.
LNAV Mode
In LNAV mode, the FMC controls AFDS roll to intercept and track
the active FMC route. Active route is entered and modified through
FMC CDUs and can include SIDs, STARs, and instrument approaches.
LNAV engagement criteria on the ground:
In LNAV mode, the FMC controls AFDS roll to intercept and track
the active FMC route. Active route is entered and modified through
FMC CDUs and can include SIDs, STARs, and instrument approaches.
LNAV engagement criteria on the ground:
- Origin runway in flight plan.
- Active route entered in FMC.
- Track of first leg within 5 degrees of runway heading.
- LNAV selected prior to TO/GA. Once TO/GA is engaged, the
LNAV switch light is extinguished until 400 feet AGL
- LNAV guidance becomes active at 50 feet AGL.
