Term
| Is automatic approach frequency radio tuning available in Alternate Navigation? |
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Definition
No, each CDU must be tuned to the ILS or VOR frequency.
(FCOM Vol 2, Rev 2- 11.50.2) |
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Term
| During the preflight of the overhead panel you notice the ADIRU "ON BAT" light is illuminated. What is happening? |
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Definition
The ADIRU had been aligned and A/C power was subsequently removed or failed. The hot battery bus is powering the ADIRU. If the battery switch is selected OFF, the horn will sound in the nose wheel well and the ADIRU will remain powered for a few seconds.
(FCOM Vol 2, Rev 2- 11.10.9) |
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Term
| What happens if the ADIRU is switched off in flight? |
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Definition
System logic prevents the ADIRU from becoming un-powered in flight.
(FCOM Vol 2, Rev 2- 11.20.3) |
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Term
| What happens if the ADIRU fails in flight? |
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Definition
Backup attitude, heading, and air data is available from the SAARU.
The SAARU cannot navigate.
After 3 minutes the heading must be entered manually at the "Set hdg" prompt on the POS INIT page of the CDU.
After that the heading must be updated from the same "Set HDG" prompt on the POS INIT page of the CDU.
(FCOM Vol2, Rev 2- 11.20.4) |
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Term
| Which pages are available in Alternate Navigation on the CDU? |
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Definition
LEGS
PROG
NAV/RAD.
(FCOM Vol 2, Rev 2- 11.50.2) |
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Term
| Which NAV mode is used in conjuntion with speed intervention to allow speed control through the IAS/Mach Selector? |
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Definition
VNAV
(FCOM Vol 2, Rev 2- 11.31.25) |
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