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庞巴迪环球5000公务机机组操作手册 Bombardier Global-导航(16)

时间:2011-11-11 09:40来源:蓝天飞行翻译 作者:公务机
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Rev 2A, Apr 11, 2005 Flight Crew Operating Manual  Volume 2

Mode 5 . Descent Below Glideslope
Mode 5 provides alerts and warnings when the airplane descends below the glideslope on an ILS approach. The alerts and warnings are annunciated in two distinct tones, depending on the position of the airplane on the glideslope.
When the airplane descends more than 1.3 dots (but not more than 2 dots) below the glideslope, a soft (6dB) aural “GLIDESLOPE”is generated. If the airplane continues to descend and deviates more than 2 dots below the glideslope, an aural “GLIDESLOPE”warning is generated at the same volume level as all other warnings. A GND PROX message is annunciated on the PFD. The aural and visual alerts and warnings are continuously annunciated until the airplane exits the alert envelope.

Mode 6 . Callouts
Mode 6 provides the following advisory alerts: transition through approach minimums, altitude callouts on approach and excessive bank angles.
.  Transition through the preset approach minimums, (APPROACHING DECISION HEIGHT or APPROACHING MINIMUMS), generates an aural “MINIMUMS, MINIMUMS”warning. The warning function is enabled between 1000 feet and 10 feet radio altitude for DH minimums and when the corrected altitude exceeds the MDA value by 200 feet. The landing gear must be down for activation of the warning.
Volume 2  Flight Crew Operating Manual Rev 2A, Apr 11, 2005

Mode 6 . Callouts (Cont’d)
.  An altitude callout function generates annunciation for descent below predetermined altitudes. The aural “ONE HUNDRED”, “FIFTY”and “THIRTY”indicates the transition through 100, 50 and 30 feet AGL. The last annunciated or transition altitude is memorized. This will prevent the repeat annunciation of a callout, should the airplane transition through said altitudes again. The memory is cleared and reset, once the airplane climbs to an altitude greater than 1000 feet, or in the event a transition occurs from approach mode to take-off mode.
A “smart altitude callout”provides an aural “FIVE HUNDRED”at 500 feet radio altitude during a non-precision approach. The callout is generated during a precision approach if the airplane flight path deviates greater than ±2 dots of either the glideslope or localizer. The callout is also generated during a backcourse approach.

RUNWAY
.  The excessive bank angle alert is a function of the roll angle with respect to altitude above ground level. The alert envelope varies linearly from a 10° bank at 30 feet AGL and to 40° of bank at 150 feet AGL, to 55° of bank at 2450 feet AGL. This will generate an aural “BANK ANGLE, BANK ANGLE”. The alert is annunciated once and will repeat if the bank angle increases by 20%. The alert will be annunciated continuously if the bank angle is increased to 55°. The alert will be annunciated until the bank angle is decreased below said value.
 
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