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A330/A340<br />
FLIGHT CREW<br />
OPERATING MANUAL<br />
Applicable to: MSN 0014-0043<br />
<strong>AIRCRAFT</strong> <strong>SYSTEMS</strong><br />
AUTO FLIGHT - FLIGHT GUIDANCE<br />
AUTOTHRUST<br />
A/THR ARMING CONDITIONS<br />
There are a considerable number of A/THR arming conditions. The following is a list of the most<br />
important ones:<br />
‐ One FMGEC operative<br />
‐ Two ADIRS operative<br />
‐ Three FADECs operative, and the A/THR function is available on each engine<br />
‐ One operative FCU channel<br />
‐ A/THR is not manually disabled (instinctive disconnect pb has not been pressed for more than<br />
15 s).<br />
The flight crew arms the A/THR:<br />
‐ On ground:<br />
• By pushing the A/THR pb on the FCU when the engines are not running, or<br />
• By setting the thrust levers at the FLX or TOGA detent, when the engines are running.<br />
‐ In flight:<br />
• By pushing the A/THR pb on the FCU while the thrust levers are out of the active range, or<br />
• While A/THR is active (“A/THR” white on the FMA), by setting all thrust levers beyond the CL<br />
detent, or at least one lever beyond the MCT detent, or<br />
• By engaging the go-around mode.<br />
When the A/THR is armed:<br />
‐ The FCU’s A/THR pb light comes on<br />
‐ “A/THR” is displayed in blue on the FMA.<br />
Note: At takeoff, if the thrust levers are set back to idle, the A/THR disengages and cannot be<br />
rearmed until airborne.<br />
RJA A330/A340 FLEET DSC-22_30-90 P 5/22<br />
FCOM C → 03 MAY 11
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