Flight Management, Navigation Flashcards
1) 757/763: The FMC light illuminates when:
a) There is a FMC alerting message
b) The FMC’s are resetting
c) There is single FMC operation only
d) Both FMC’s have failed
a) There is a FMC alerting message
2) 757/767: One of the IRS mode selector is positioned to ATT. This mode provides:
a) Only attitude and heading information
b) A quick alignment of the IRU when airborne
c) A quick alignment of the IRU when on the ground
d) Attitude and position data only
a) Only attitude and heading information
3) 757/767: The DC FAIL light is illuminated on the IRS mode selector panel for the left
IRU. This indicates that:
a) The left IRU’s input is not reliable for navigation
b) The left main DC bus is not powered
c) DC backup power for the related IRU has failed
d) The left IRU has lost AC power
c) DC backup power for the related IRU has failed
4) 757/767: The ON DC light is illuminated on the IRS mode selector panel for the right
IRU. This indicates that:
a) Normal AC power for the left IRS has failed and the IRS is operating on DC
backup power from the hot battery bus
b) Normal DC power for the right IRS has failed and the IRS is operating on DC
backup power from the hot battery bus
c) DC backup power for the right IRS has failed
d) Normal AC power for the right IRS has failed and the IRS is operating on DC
backup power from the hot battery bus
d) Normal AC power for the right IRS has failed and the IRS is operating on DC
backup power from the hot battery bus
5) 757/767: The FAULT light is illuminated on the IRS mode selector panel for the center
IRU. This indicates that:
a) No airplane position has been entered after 10 minutes
b) All AC power has been lost
c) DC backup power has been lost
d) A system fault affecting the center IRS ATT and/or NAV modes has been
detected
d) A system fault affecting the center IRS ATT and/or NAV modes has been
detected
6) 757/763: Three ILS receivers, tuned from a single control panel, are installed. The panel
tunes all three ILS receivers simultaneously. The center ILS receiver provides input to:
a) Both the Captain’s and First Officer’s ADI/HSI as a backup
b) The First Officer’s ADI/HSI
c) The Captain’s ADI/HSI
d) The standby attitude indicator (SAI)
d) The standby attitude indicator (SAI)
7) 753/764: Which IRU(s) remain powered during standby power operations?
a) The left and center IRU
b) The right IRU
c) The left and right IRU
d) All three IRUs remain powered
d) All three IRUs remain powered
8) 757/767: The ALIGN light is flashing on the IRS mode selector panel for the left IRU.
This indicates that:
a) Alignment cannot be completed due to significant difference between previous
and entered positions, an unreasonable present position entry, no present
position entry
b) The related IRS is operating in the ALIGN mode, the initial ATT mode, or the
shutdown cycle
c) With mode selector in NAV, alignment is complete, and all IRS information is
available
d) With mode selector in ATT, attitude information is available
a) Alignment cannot be completed due to significant difference between previous
and entered positions, an unreasonable present position entry, no present
position entry
9) 757/767: If the IRS reverts to DC power on the ground, the __________ to alert
personnel of the high battery drain.
a) DC FAIL lights will illuminate on the IRS mode selector panel
b) FAULT lights will illuminate on the IRS mode selector panel
c) ALIGN lights will illuminate on the IRS mode selector panel
d) Ground crew call horn in the nose wheel well sounds continuously
d) Ground crew call horn in the nose wheel well sounds continuously
10) 757/767: When first turned on, the IRU must go through a full alignment. Alignment
requires about _________ while the system determines level attitude and true heading.
a) 10 minutes
b) 8 minutes
c) 5 minutes
d) The alignment is immediate
a) 10 minutes
