RNAV glidepath and missed approach

Select the approach

RNAV approach / missed ^[157] route

Select a suitable RNAV approach with vertical guidance and confirm its charted missed approach.

Confirm FMS source, the approach in the flight plan and active LNAV and VNAV. Within 30 NM of the destination, with LOC preview off, press APP.

ALTSEL after GP capture

GP armed vs captured

Distinguish armed approach status from captured GP and check the actual vertical deviation.

FSS says to set the missed-approach altitude after GP capture, with ALTSEL ignored while GP is active.

Source and position

Approach / source / position

If GP does not capture, review the active approach, source, route, position and the documented prerequisites. ^[9]