757/767 Question Bank


General
What happens when the Emergency Light Switch is placed in the OFF Position?	It prevents emergency lights system operation if airplane electrical power fails or isturned off.
What Happens when the Emergency light Switched is placed to the ARMED Position?	All emergency lights illuminate if airplane electrical power fails or is turned off.
What Happens when the Emergency light Switched is placed to the ON Position?	All emergency lights are illuminated.
What does the Illumination of the Amber Emergency Light UNARMED Switched?	lluminated (amber) – the emergency lighting system has been manually actuated or theemergency lights switch is Off
What happens when you push the Emegency Light Switch in the Passenger Cabin?	It lluminates (red): All passenger cabin and exterior emergency lights illuminate Bypasses the flight deck emergency lights
When will the Oxygen Masks Automatically Deploy?	When the CABIN Altitude reaches 14,000 Feet.
When does the CABIN ALTITUDE Light auto reset?	When the Cabin Altitude descends below 8,500 Feet
What is the range of the AUTO RATE selector for the Pressurization System?	Limits of 500FPM climb and 300FPM descent.
What happens with the pressurization system when the Auto Mode fails?	It Automatically switches to the other auto mode.
What does an AUTO FAIL Light mean on the Pressurization Panel?	1. AUTO 1 and AUTO 2 are both inoperative or manual mode has been selected 2. Regain control By placing MODE SELECTOR in manual.
What happens with the pressurization at 11,000 feet during automatic operation?	Regardless of mode selected (AUTO 1, 2), the outflow valve is signaled to close
What should be put in LDG ALT window if a return to takeoff airport is necessary?	The New destination airport
What does turning ON the Light Override Switch on the Overhead Panel?	It overrides normal controls and illuminates the following lights at maximum brightness: forward panel flood lights illuminated indicator lights glareshield flood lights aisle stand flood lights dome lights
What does an ENTRY Doors Light on the Override Panel?	It means an entry door is not closed, and latched and locked. Illuminates Amber An EICAS Advisery Message will show which specific doors are not closed, latched, and locked.
What happens when multiple Doors are open on one side of the Aircraft?	The EICAS message for that side will change from DOOR to DOORS.

Hydraulic
How Many Hydraulic Systems are there?	3 - Left, Right, and Center
What is the purpose of the Air Demand Pump (ADP), in the Auto and OFF Position?	Auto left/right electric pumps operate when engine pump pressure is low center air demand pump operates when either or both center electric pump pressures are low, or left center pump is isolated center air demand pump operates when heavy load items are selected Off Pump is off
At what speed when the RAT is deployed will the RAT be producing Hydraulic pressure?	130 Kts.
What is the purpose of the Hydraulic Driven Generator (HDG)?	Operates as an alternative sorce of electricity if both Engine Genorators Fail.
When does the RAT Automatically deploy?	When Both engines fail When RAM AIR TURB Switch is pushed
Which Hydraulic System Powers the Ram Air Turbine (RAT)?	757 - Left Hydraulic System 767- Center Hydraulic System Part of (Flaps,Slats,Gear, and Stear)
What is the meaning of a Green PRESS Light on the Ram Air Turbine (RAT)?	The RAT is Deloyed The RAT is producing Hydraulic Pressure
What does an amber UNLKD Light on the RAT mean?	The Ram Air Turbine is not stowed and locked.
Which Hydraulic System Powers the Hydraulic Driven Generator (HDG)?	757 - The left Hydraulic System through the Power Transfer Unit (PTU) 767 - The Center Hydraulic System using the Air Driven Pump(ADP)
What does an Amber HYD PUMPS PRESS Light Mean?	The Hydraulic Pump Switch is on and the Hydralic Pump output pressure is low. The Hydraulic Pump Switch is off
What does an Amber HYD PUMP Press Light for the Electric Demand Pump Mean?	The Hydraulic Pump Switch is ON and the Hydralic Pump output pressure is low. The Hydraulic Pump Switch is on AUTO, the pump is signaled to on, and the Hydralic Pump output pressure is low. The Hydraulic Pump Switch is off
What does an Amber HYD PUMP Press Light for the Air Demand Pump Mean?	The Hydraulic Pump Switch is ON and the Hydralic Pump output pressure is low. The Hydraulic Pump Switch is on AUTO, the pump is signaled to on, and the Hydralic Pump output pressure is low. The Hydraulic Pump Switch is off
What does an Amber OVHT HYD PUMP Light Mean?	The Pump Temperature is high.
Where are the Hydraulic Quantities displayed?	On the EICAS STATUS Page Quantity is displayed in white Magenta RF, Refill, will be displayed when quantity is low.
What Hydraulic Systems power the Flight controls?	All Hydraulic Systems
What is the purpose of the Power Transfer Unit (PTU)?	For the 757 Supplies the left Hydraulic power system from the right Hydraulic System through a dedicated pump. It is automatically powered if; The left engine fails and the right engine is operating The left engine driven hydraulic pump pressure is low and the right engine is operating
What is the meaning of SYS PRESS (System Pressure) Light?	The Hydraulic Pressure of the System is low.
What is the Meaning of RSVR (Resevoir) Light?	757 - Illuminated (amber) – reservoir quantity is low Illuminated (amber) – reservoir head pressure is low 767 - Illuminated (amber) – reservoir quantity is low
What system powers the high load components (gear, flaps, and slats)?	757 Left Hydraulic System/ 767 Center Hydraulic System - high load components (flaps, and slats, Gear and Stear)
Which Hydraulic Electrical Pump Load Sheads in electrical power needs to be reduced?	The number 2, Right, Hydraulic pump in the Center Hydraulic System (C2).
Which Hydraulic System Power the Normal Brakes?	757 and 767, Right Hydraulic System
Which Hydraulic System Power the Alternate Brakes?	757 Left Hydraulic System / 767 Right Hydraulic System.
What system powers the Reserve Brakes on the 757?	The Right Hydraulic System.
What Hydraulic System powers the Reserve Brakes and Steering on a 767?	The Center Hydraulic System.
When selected On, When do the Electronic Hydraulic Pumps Operate?	Continuously
What are the positions of the Hydraulic Demand switches and what do they mean?	OFF - The pump is Off ON - The pump is On AUTO - Left/Right Electrical Hydraulic Pumps operate when the engine pumps are low. Center Air Driven Pump operates when both center Electric Hydraulic Pump pressure is low or heavy load items are selected.

IRS
What information is displayed on the IRS on the Overhead Panel?	Displays track, groundspeed, present position, wind or heading as controlled by display selectors or keyboard.
What are the two ways to enter position for IRS Alignment?	1) Enter the position using the IRS MODE SEL Keypad 2) Enter the position using the FMS MCDU “SET IRS POS” boxes on the POS INIT page.
How long does it take for a Full IRS preflight alignment?	10 minutes
How long does it take for a Quick IRS Alignment?	30 Seconds
Which IRU's remain powered after 5 minutes when AC power is lost on a 767-300ER?	Left and Center. The right is limited for 5 minute operation
Which IRU's remain powered after 5 minutes when AC power is lost on the aircraft on a 757?	The right, with some exceptions.
What is the meaning of the Steady and Flashing White IRS ALIGN Light?	Illuminated (white) – · steady – the related IRS is operating in the ALIGN mode, the initial ATT mode, or the shutdown cycle · flashing – alignment cannot be completed due to IRS detection of: o significant difference between previous and entered positions or an unreasonable present position entry o no present position entry o aircraft movement detected during the alignment process.
What is the meaning if the White IRS ALIGN Light is Off?	· IRS not in ALIGN mode · with mode selector in NAV, alignment is complete, and all IRS information is available · with mode selector in ATT, attitude information is available. Heading information is available following entry of initial magnetic heading.
What is the meaning of the ON DC Light Illuminated?	Illuminated (amber) – · DC backup power for the related IRS has failed · if the other lights are extinguished, the IRS is operating normally on AC power · (Flashes momentarily on initiation of Alignment.)
What does an IRS Fault Light mean?	Illuminated (amber) – a system fault affecting the related IRS ATT and/or NAV modes has been detected.
What is the Function of the IRS Selector in the OFF Position?	· alignment is lost · ALIGN light illuminates for 30 seconds as system goes through a shutdown sequence · realignment requires about 10 minutes while the airplane is parked and entry of present position (latitude and longitude).
What is the Function of the IRS Selector in the ALIGN Position?	· initiates alignment when parked · initiates a quick alignment if selected when the system is in the navigation mode
What is the Function of the IRS Selector in the NAV Position?	· normal operational mode · permits system to enter NAV mode after completing alignment · initiates a 10 minute alignment if selected from OFF
What is the Function of the IRS Selector in the ATT Position?	· provides only attitude and heading information · position and ground speed information lost until system realigned on ground · when selected airborne, ALIGN light illuminates for 30 seconds while system senses local level (requires level flight) · magnetic heading input required to initialize heading output · the selector must be cycled through OFF to re–enter ALIGN or NAV mode.
What does an DC FAIL Light mean?	Illuminated (amber) – · DC backup power for the related IRS has failed · if the other lights are extinguished, the IRS is operating normally on AC power. · EICAS advisory message L, C or R IRS DC FAIL is displayed
ALIGN Light must be allowed to turn completely off for	· Shutdown - ALIGN Light will be illuminated for 30 seconds until completely off. · Alignment - realignment requires about 10 minutes while the airplane is parked and entry of present position (latitude and longitude).

Landing Gear
Where the brake temperatures are displayed?	On the brake temperature monitor system (BTMS) displays each brake temperature on the EICAS status display (As installed)