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Low Bank Limit Arc
Flight Path Vector (FPV)
GF1110_068a
Volume 2 Flight Crew Operating Manual Rev 5, Jul 21, 2005
Speed Error Tape
The speed error tape is displayed above or below the left wing of the FPV. It represents the difference between the selected/targeted airspeed and the indicated airspeed. It is displayed when the Radio Altitude is greater than 50 feet.
The speed tape error is limited to 15 knots and a tick mark is displayed at every 5 knots. The speed error tape is removed during excessive airplane attitude to prevent display clutter.
If the system is unable to compute a speed error, the speed error tape is replaced by 2 parallel lines indicating a speed error invalid.
Flight Path Angle Reference Cue
The Flight Path Angle Reference Cue consists of 2 dashed lines corresponding to the selected Approach Flight Path Angle displayed. This symbol is conformal, is referenced to the flight path vector and is derived from the FMS database.
The Flight Path Angle Reference Cue is displayed when the following conditions are met:
.
A FMS approach or an ILS approach has been selected from the FMS and the aircraft is less than 7 NM from the runway threshold.
.
The Horizon Line is displayed,
.
Selected Flight Path Angle is valid and
.
The FMS is providing a vertical Flight Path Angle.
Rev 7, Dec 01, 2005 Flight Crew Operating Manual Volume 2
FLIGHT INSTRUMENTS
Acceleration Cue
The acceleration cue is located to the left of the FPV and represents the longitudinal acceleration/deceleration of the airplane. If the FPV is not displayed, the acceleration cue is displayed in relation to the airplane reference symbol, for example during take-off roll. The acceleration cue is displayed when the airspeed is greater than 60 knots.
The acceleration cue indicates inertial acceleration independent of airspeed trend. When climbing into an increasing headwind for example, at constant airspeed, the inertial acceleration cue will indicate a deceleration because the airplane groundspeed is decreasing. Also, during turns at constant airspeed, the acceleration cue will indicate an acceleration or deceleration as the headwind/tailwind component changes. The inertial acceleration cue can be used effectively for precise airspeed control when the airplane is straight and level under constant wind conditions.
NOTE
The basic flight instruments remains the primary reference and the acceleration cue must be interpreted with caution especially when the airplane is under dynamic wind conditions.
Speed Error T ape
Speed Error Invalid
10
GF1110_069
Acceleration Cue
Flare Cue
The Flare Cue indicates a flight path to touch down at approximately minus one degree. The Flare Cue is displayed vertically in relation to the horizon line at a fixed pitch attitude and laterally in relation to the flight path vector.
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