Atlas 777 SIT Exam Questions &
Answers (Grade A+)
Can we complete a turn on a 150 ft wide runway? -
correct answer ✅No, the minimum pavement width for a 180
degree turn is 157.4 ft
What portion of the airplane swings the largest arc? -
correct answer ✅Wingtip
How do we verify the flight deck window is closed? -
correct answer ✅The button at the top of the handle pops
upwards
How does a crewmember operate the door as a normal and as a
emergency door? -
correct answer ✅-Normal: Ensure the door is disarmed prior to
operation
-Emergency: Ensure the door is armed prior to handle operation
How are the lower cargo doors opened? -
correct answer ✅Forward and aft cargo doors are operated
electrically from an exterior or interior fuselage mounted control
panel next to each door
,Atlas 777 SIT Exam Questions &
Answers (Grade A+)
Where are indications for the status of doors located? -
correct answer ✅Door synoptic page
What is the function of the storm switch? -
correct answer ✅Overrides the normal controls and illuminates
the following lights at max brightness:
-all illuminated indicator lights
-Glareshield, instrument, and aisle lights
-Dome lights
What is the normal preflight position of the flight deck EMER
LIGHTS switch and when do they illuminate? -
correct answer ✅-Normal preflight position is guarded and armed
-All emergency lights will illuminate if airplane DC power fails or is
turned off
How do the seatbelt signs function when selected auto? -
correct answer ✅Fasten seat belts signs will come on if:
-Landing gear not up and locked
-Flap lever not up
-Airplane alt below 10,000ft
,Atlas 777 SIT Exam Questions &
Answers (Grade A+)
-Cabin altitude above 10k
-Supernumerary oxygen on
What causes the supernumerary oxygen system to activate? -
correct answer ✅-When the SUPERNMRY OXYGEN switch is
selected ON
-Masks drop automatically if cabin altitude exceeds 13,500 ft
What information is provided about the Air Data Inertial Reference
System (ADIRS) -
correct answer ✅Composed of the:
-ADIRU
-SAARU
-Air Data Modules
Supplies airspeed, altitude, attitude, heading, and position to the
FMS, displays, flight controls, engine controls and other systems
What are the ADIRU alignment and realignment modes? -
correct answer ✅Automatic Realign mode
, Atlas 777 SIT Exam Questions &
Answers (Grade A+)
-If the airplane stops for a extended period, the ADIRU changes to
the automatic realign mode and refines the alignment until the
airplane moves again
-In auto realign mode, ADIRU velocity and acceleration errors are
reset to zero
-Can be updated in POS INIT page 1/3
-Cannot be done in flight
Alignment Mode
-On initial power up the ADIRU enters align mode. EICAS ADIRU
ALIGN MODE
—position must be entered in POS INIT
-Airplane cannot move
-Once alignment is complete the ADIRU enters nav mode
How much time does the ADIRU alignment require? -
correct answer ✅-6-15 minutes (6 at the equator)
What does ADIRU ON BAT light indicate? -
correct answer ✅The ADIRU is on and ground power or primary
power has been removed or failed.
Answers (Grade A+)
Can we complete a turn on a 150 ft wide runway? -
correct answer ✅No, the minimum pavement width for a 180
degree turn is 157.4 ft
What portion of the airplane swings the largest arc? -
correct answer ✅Wingtip
How do we verify the flight deck window is closed? -
correct answer ✅The button at the top of the handle pops
upwards
How does a crewmember operate the door as a normal and as a
emergency door? -
correct answer ✅-Normal: Ensure the door is disarmed prior to
operation
-Emergency: Ensure the door is armed prior to handle operation
How are the lower cargo doors opened? -
correct answer ✅Forward and aft cargo doors are operated
electrically from an exterior or interior fuselage mounted control
panel next to each door
,Atlas 777 SIT Exam Questions &
Answers (Grade A+)
Where are indications for the status of doors located? -
correct answer ✅Door synoptic page
What is the function of the storm switch? -
correct answer ✅Overrides the normal controls and illuminates
the following lights at max brightness:
-all illuminated indicator lights
-Glareshield, instrument, and aisle lights
-Dome lights
What is the normal preflight position of the flight deck EMER
LIGHTS switch and when do they illuminate? -
correct answer ✅-Normal preflight position is guarded and armed
-All emergency lights will illuminate if airplane DC power fails or is
turned off
How do the seatbelt signs function when selected auto? -
correct answer ✅Fasten seat belts signs will come on if:
-Landing gear not up and locked
-Flap lever not up
-Airplane alt below 10,000ft
,Atlas 777 SIT Exam Questions &
Answers (Grade A+)
-Cabin altitude above 10k
-Supernumerary oxygen on
What causes the supernumerary oxygen system to activate? -
correct answer ✅-When the SUPERNMRY OXYGEN switch is
selected ON
-Masks drop automatically if cabin altitude exceeds 13,500 ft
What information is provided about the Air Data Inertial Reference
System (ADIRS) -
correct answer ✅Composed of the:
-ADIRU
-SAARU
-Air Data Modules
Supplies airspeed, altitude, attitude, heading, and position to the
FMS, displays, flight controls, engine controls and other systems
What are the ADIRU alignment and realignment modes? -
correct answer ✅Automatic Realign mode
, Atlas 777 SIT Exam Questions &
Answers (Grade A+)
-If the airplane stops for a extended period, the ADIRU changes to
the automatic realign mode and refines the alignment until the
airplane moves again
-In auto realign mode, ADIRU velocity and acceleration errors are
reset to zero
-Can be updated in POS INIT page 1/3
-Cannot be done in flight
Alignment Mode
-On initial power up the ADIRU enters align mode. EICAS ADIRU
ALIGN MODE
—position must be entered in POS INIT
-Airplane cannot move
-Once alignment is complete the ADIRU enters nav mode
How much time does the ADIRU alignment require? -
correct answer ✅-6-15 minutes (6 at the equator)
What does ADIRU ON BAT light indicate? -
correct answer ✅The ADIRU is on and ground power or primary
power has been removed or failed.
