Honeywell MCP
Mode Control Panel
V/S mode automatically engages if ALT ACQ mode is engaged and
a new MCP altitude is selected which is more than 100 feet different
from previously selected altitude.

  • Vertical speeds can be selected which command flight toward
    or away from selected altitude.

Inhibited if:

  • ALT HOLD mode is active at the selected MCP altitude.
  • The glideslope is captured in APP mode.