Pilot's Guide

190-00663-02 Rev. B
Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
405
AUTOMATIC FLIGHT CONTROL SYSTEM
Figure 7-9 Underspeed Protect Active Annunciation
Whenairspeedincreases(asaresultofaddingpower/thrust)toabovetheIASatwhichstallwarningturns
off, plus two knots, the autopilot will cause the aircraft to pitch up until recapturing the vertical reference and
the vertical and lateral flight director modes will change from armed to active.
NON-ALTITUDE CRITICAL MODES (VS, VNAV, IAS,)
IftheaircraftdeceleratestoanIASbelowtheminimumcommandableautopilotairspeed,ared“UNDERSPEED
PROTECTACTIVE”annunciation(Figure7-9)willappeartotherightoftheverticalspeedindicator.The
vertical flight director mode will change from active to armed (Figure 7-10), and the autopilot will cause
theaircrafttopitchdownuntilreachingapitchattitudeatwhichIASequalstheminimumcommandable
autopilot airspeed.
Vertical FD
Mode Armed
Figure 7-10 Vertical Flight Director Mode Armed
Whenairspeedincreases(asaresultofaddingpower/thrust)toanIASabovetheminimumcommandable
autopilot airspeed, the autopilot will cause the aircraft to pitch up until recapturing the vertical reference. and
the vertical flight director mode will change from armed to active.