Challenger3500 Autothrottle Questions Flashcards
Where is the placard located that indicates AT installation?
Located on either side of the center pedestal, states: “AUTOTHROTTLE INSTALLED. REFER TO AFM LIMITATIONS, FCOM 1&2 PRIOR TO USE”
What moves the thrust levers between the IDLE and TO detent?
The dual servo motor clutch pack (SMCP)
Where are the AT ENGAGE switches located?
On the aft side of the thrust levers.
Where is the active mode shown on the FMA?
The active mode is on the top row and can be either green or amber.
What is the aural alert when the AT is automatically disengaged?
The dual aural alert “AUTOTHROTTLE, AUTOTHROTTLE” sounds continuously
What is the AT mode when there is no active FD vertical mode and the AT is engaged?
SPD mode
When HOLD mode is active in what position do the thrust levers remain?
TO position
What position are the thrust levers commanded to when THRUST becomes active and the selected altitude is below the current altitude?
IDLE position
What indications appear if an engine failure occurs while the AT is engaged?
The AT automatically disengages with a continuous flashing amber AT status on the FMA and aural alert “AUTOTHROTTLE AUTOTHROTTLE”
If radio altitude is unavailable or invalid when must the autothrottle be disengaged?
Prior to 200 ft AGL
When must autothrottle be disengaged for any abnormal procedure landing with flaps less than 30 degrees?
Prior to 200 ft AGL
Can the AT be engaged during RNP AR approach operations?
Yes.
Is AT permitted for use during steep approaches?
Yes, but not below 200 ft AGL
Is AT use permitted during CAT II ops?
No
When does AT thrust mode become active?
When FLC becomes the active FD mode above 400 ft AAE
Changes to FMA (flt mode annunciator) with incorporation of AT?
Column to the left for flight guidance mode display area
Where is the AT system CB?
R CB panel in cockpit
Where are AT modes displayed on FMA?
L side of FMA
Where is AT engagement status displayed on FMA?
Lower center
AT alert when AT is manually disengaged?
Single alert
