Cockpit Reference Guide

190-00763-02 Rev. A
Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
447
AUTOMATIC FLIGHT CONTROL SYSTEM
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
OVERSPEED PROTECTION
NOTE: Overspeed protection is not active in Altitude Hold, Glideslope or Glidepath modes.
WhilePitchHold,VerticalSpeed,FlightLevelChange,VerticalPathTracking,oranaltitudecapturemodeis
active, airspeed is monitored by the flight director. Overspeed protection is provided to limit the flight director’s
pitch command in situations where the flight director cannot acquire and maintain the mode reference for the
selected vertical mode without exceeding the certified maximum autopilot airspeed.
WhenOverspeedProtectionisactive,theAirspeedReferenceappearsinaboxabovetheAirspeedIndicator,
ashingayellow‘MAXSPD’annunciation.Enginepowershouldbereducedand/orthepitchreferenceadjusted
to slow the aircraft. The annunciation disappears when the overspeed condition is resolved.
Airspeed
Indicator
Figure 7-44 Overspeed Annunciation