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airspeeds are used instead of the VMO in specific cases:
• VF3 (185 knots) when the flap angle is greater than 17°.
• VF2 (210 knots) when the flap angle is between 7° and 17°.
• VF1 (210 knots) when the flap angle is between 1° and 7°.
• VSO (225 knots) when the slat angle is greater than 1° and the flap angle is lower than 1°.
• VLE (250 knots) when the slat angle is lower than 1°, the flap angle is lower than 1° and at
least one of the landing gear is down and locked.
Vmo Thermometer
Vmo/Mmo
Annunciation
340
305
GF1110_080
AOA Margin Indication (AMI)
The AMI displays the margin available between the current AOA and the stall AOA as defined by
the Stick Shaker.
The AMI is displayed in relation to the position of the FPV; below 0.70 Mach it is displayed when
the aircraft AOA vane is within 5 degrees of Stick Shaker activation and it is removed when a
margin of more than 6 degrees is reached. At 0.84 Mach and above the AMI is displayed when the
aircraft AOA vane is 2.5 degrees from Stick Shaker activation and it is removed when a margin of
more than 3 degrees is reached. Between 0.70 and 0.84 Mach a linear range is used to display
the AMI between 5 degrees and 2.5 degrees respectively.
The AMI is displayed above the FPV at half distance equal to the margin. If the symbol is
superimposed to the FPV the aircraft shaker is activated.
FLIGHT INSTRUMENTS
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
11−10−81
HUD SYMBOLOGY (CONT'D)
AOA Margin Indication (AMI) (Cont’d)
During a Windshear Warning at Radio altitude of 1,500 feet or lower the AMI is displayed at all
times.
AOA Margin
Indication
415 00
405 00
410 00
SPD
F250
280
260
253
240
220
410 00
GF1110_113
20 20
25 25
30 30
35 35
Low Speed Awareness (LSA) Thermometer
The LSA thermometer extends from the bottom of the airspeed tape to the calculated stall warning
speed (stick shacker initialization). The LSA thermometer is displayed when the airspeed tape is
displayed and the main gear is in weight off wheels condition.
Stall Annunciation
The stall annunciation is displayed below the airplane reference symbol when the stick pusher is
activated or a pusher command is provided by the stall protection system.
Ground Speed Readout
The ground speed readout is based on the FMS ground speed. It has a range of 30 kt thorough
900 kt inclusively at 1 knot increment.
The ground speed readout is displayed in place of the Mach readout below the airspeed tape.
Ground speed is displayed when:
• Weight off wheel condition, and
• Flight Director approach mode is set.
FLIGHT INSTRUMENTS
Flight Crew Operating Manual REV 51, Aug 14, 2006
CSP 700−6
Volume 2
11−10−82
HUD SYMBOLOGY (CONT'D)
Ground Speed Readout (Cont’d)
Low Speed Awareness
Thermometer
STALL
Annunciation
Ground Speed
Readout
GF1110_081a
Vertical Speed Readout
The vertical speed readout is located below the altitude tape. The digital readout is displayed when
the main landing gear is weight-off-wheel.
The range of the displayed value is ±9900 fpm. For vertical speed between ±1000 fpm the
information is rounded to the nearest 50 fpm. For vertical speed greater than ±1000 fpm, the
information is rounded to the nearest 100 fpm.
Vertical Speed Target
The vertical speed target is located above the vertical speed readout when the FD vertical
captured submode is VS or VPTH. The vertical speed target readout is labeled VS or VN,
according to the FD vertical captured mode.
The vertical speed target readout is limited to the range of −8000 fpm through 6000 fpm. The sign
is replaced by an arrow pointing up (↑) for a positive value and down (↓) for a negative value.
When the vertical speed target is within ±1000 fpm, the indication is rounded to the nearest 50
fpm. When the vertical speed target is exceeding ±1000 fpm, the indication is rounded to the
nearest 100 fpm.
BARO Minimum Readout
The BARO minimum indication is displayed in 10 foot increments at the left of the BARO set
readout and labeled BARO. It is displayed when the selected MDA is valid and greater than 20
feet.
FLIGHT INSTRUMENTS
REV 51, Aug 14, 2006 Flight Crew Operating Manual
CSP 700−6
Volume 2
11−10−83
HUD SYMBOLOGY (CONT'D)
MDA Bug
An MDA bug is displayed next to the altitude tape according to the MDA information. It is displayed
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