Flight Management, Navigation (FM: 6.110) Flashcards
757/763: The FMC light illuminates and the EICAS message FMC MESSAGE displays when:
a) The CDU is displaying an operationally significant message in the scratchpad
b) The FMC’s are resetting
c) There is single FMC operation only
d) Both FMC’s have failed
A) The CDU is displaying an operationally significant message in the scratchpad
757/767: One of the IRS mode selector is positioned to ATT. This mode provides:
a) Attitude and heading information only
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) Attitude and heading information only
757/767: The DC FAIL light is illuminated on the IRS MODE SEL 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 has failed to the left IRU
d) The left IRU has lost AC power
C) DC backup power has failed to the left IRU
757/767: The ON DC light is illuminated on the IRS MODE SEL panel for the right IRU. This indicates that:
a) The right IRU cannot be aligned with DC power only
b) IRS has detected a fault
c) DC power to the right has failed
d) AC power for the right has failed
D) AC power for the right has failed
757/767: The IRU FAULT light is illuminated on the IRS MODE SEL 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 has been detected in ATT and/or NAV modes
D) A system fault has been detected in ATT and/or NAV modes
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 Captain and First Officer ADI/HSI as a backup
b) First Officer’s ADI/HSI
c) Captains ADI/HSI
d) The standby attitude indicator (SAI)
D) The standby attitude indicator (SAI)
753/764: If primary AC power is lost on both main AC busses during flight, the HMG automatically starts and supplies AC power. In this situation, how are the IRUs powered?
a) Standby AC still powers the right IRU after 5 minutes
b) The right IRU will not be powered after 5 minutes
c) The left and center IRU’s will not be powered after 5 minutes
d) All IRU’s will remain AC powered
D) All IRU’s will remain AC powered
752RR/763/752PW-ER: If primary AC power is lost on both main AC busses during flight, the HMG automatically starts and supplies AC power. In this situation, how are the IRUs powered?
a) Battery power to the right IRU is limited to 5 minutes
b) All IRU’s remain powered during HMG power operations
c) The left and center IRU’s will not be powered after 5 minutes
d) Standby AC still powers the right IRU after 5 minutes
A) Battery power to the right IRU is limited to 5 minutes
757/767: While on the ground, if normal AC power for the IRS has failed and the IRS is operating on DC backup power from the hot battery bus, what will alert crew/ground personnel of this issue?
a) The ALIGN lights will start flashing on the IRS overhead panel
b) The DC FAIL lights will illuminate on the IRS overhead panel
c) There is no indication for the crew/ ground personnel
d) The ground crew call horn in the nose wheel well will sound
D) The ground crew call horn in the nose wheel well will sound
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 always immediate
A) 10 minutes
(757/767): What component provides the flight Director command inputs?
A) autothrottle system (A/T)
B) electronic flight instrument system (EFIS)
C) flight control computer (FCC)
D) flight management computer (FMC)
C) flight control computer (FCC)
