756 Systems Flight Management, Navigation

A detailed cockpit view of a Boeing 757 or 767 with flight management and navigation systems visible, emphasizing modern avionics and instrumentation, high-resolution, realistic style.

Flight Management & Navigation Quiz

Test your knowledge on flight management and navigation systems used in the 757 and 767 aircraft. This quiz covers essential aspects of the Flight Management Computer (FMC), Inertial Reference Systems (IRS), and related equipment. Whether you are preparing for certification or simply want to sharpen your skills, this quiz is designed for you!

Multiple-choice questions
Focused on key topics in aviation
Instant feedback on your answers

11 Questions3 MinutesCreated by FlyingPigeon452

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

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

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

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

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

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)

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

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

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

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

756 Systems Flight Management, Navigation

Flight Management & Navigation Quiz

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