B737-NG Oral Question Flashcards
What engine instruments are left on standby?
TBR
What do you have left when on standby power?
To be Reviewed
What engine instruments are self generating.
TBR
If start engine valve does not close, what do you do, and why?
TBR
What is the difference between LE flaps transit light on FWD panel and transit yellow lights on aft overhead panel?
Auto Slat indication?
With the flight recorder switch in NORMAL, when does the flight recorder operate?
On the ground?
In the Air?
On the Ground? Oil Pressure rise on first engine started
In the Air? Any time electrical power is available
What does the illuminated OFF light mean adjacent to the Flight recorder switch?
There is a Power Failure, Loss of Input Data or Electronic Malfunction, Test Failed
What are some of the things that the flight recorder moitors?
Altitude, Heading, Acceleration, Airspeed
Where is the flight recorder located?
Aft Cabin Ceiling
What does the crew oxygen gage indicate?
Pressure in the Crew Oxygen Bottle
What is the normal crew O2 pressure?
1,850 psi
What is the normal minimum crew O2 for pressure for dispatch.
Based on the table in Performance Inflight
Where is the crew O2 bottle located?
Aft end of the E&E compartment
How is the crew O2 bottle accessed?
Through the FWD Cargo Compartment, FWD Bulkhead Access Panel
What happens if the Crew O2 bottle becomes overheated and thermally discharges?
Loose oxygen from the bottle and the green disk (Right Side FWD Fuselage) will be gone. Pre-flight inspection Item
What kind of crew O2 do you get in normal operation of the crew mask?
Diluter demand (Air/O2 mix on demand)
What kind of crew O2 do you get when 100% is selected?
100% O2 on Demand
What kind of crew O2 do you get in EMERGENCY?
100% O2 under pressure
Where is the passenger O2 supply stored?
Each individual PSU unit.
With the switch in the guarded NORML position, when will the passenger O2 masks be presented?
When cabin altitude rises to approximately 14,000 feet
What is the function of the ON position of the PASS O2 switch?
Manually activates the pax oxy doors.
How many oxygen masks are connected to each generator?
4 at the passenger seats
2 at flight attendant’s station and lavatories
What is indicated by the PASS OXY ON light?
System is activated
With the PASS OXY ON light illuminated, what other light might you expect to see ON?
Auto Fail Light
MC Lights
Overhead Annunciator (Alt horn @ 10,000 feet cabin altitude)
When does the passenger O2 generator actually start to manufacture oxygen?
When the first mask (laniard) is pulled down on a specific bank of seats.
How long will the passenger O2 flow through the passenger masks, once activated?
12 min.
Can passenger oxygen be shut off after flow has started?
No
What can you do if a passenger oxygen mask compartment does not open when activated?
Manually open it with special tool.
Should passengers use oxygen when the cabin altitude is below 14,000 ft.? Why or why not?
No
Air is mix of O2 and cabin air.
What is available with the Service Interphone in the OFF position
Communication with the between the Flight Deck and Cabin
Flight Deck to Cabin
or
Cabin to Flight Deck
What is available with the Service Interphone in the ON position?
Connects all external jacks to the interphone system
With the Service Interphone switch in the OFF position, is communication between flight deck and cabin possible?
Yes
Is there an exterior service interphone switch? Where?
No
There is an external flight interphone jack located on the external power panel.
What does PSEU stand for?
Proximity Switch Electric Unit
What does the PSEU monitor
Air/Ground sensors
Configuration status/alerts
Overwing exit locks
When is the PSEU light inhibited?
When in flight (takeoff power set to 30 seconds after landing)
Should you be concerned with the PSEU light if it is illuminated on the ground?
Yes
Should you be concerned with the PSEU light if it illuminates during recall?
No, if it will cancel by pushing the MC light it is okay to go.
Are there any limitations on use of the windshield wipers?
Do not operate on a dry windshield.
Why is it important to not use the wipers on a dry windshield?
Will destroy rain repellant coating.
What sort of rain repellant system do we use?
Rain repellant like Rain-X
In the ARMED position, when will the emergency lights come on?
With the loss of DC bus 1 or AC power is turned off.
What do the emergency lights illuminate?
Aisle lights, extry/exit lights, escape path lighting, dome light, locator signs, area lighting, exterior area lighting
Where is the other Emergency Light switch located
The aft flight attendant’s panel
Will the aft flight attendant panel Emergency Light switch override the cockpit switch?
Yes
What cockpit light(s) are controlled by the emergency light switch?
Flight Deck Capt. dome light
What does the blue light on the audio control panel indicate?
Ground or cabin is trying to call
Can you call personnel on the ground?
Yes
How is contacting ground personnel accomplished?
Thru the use of the ground call button and nosewheel well horn.
Where is the CVR circuit breaker located?
Behind the Captain’s seat
When does the CVR start recording?
Anytime 115v AC is applied to the Aircraft
How long is the CVR recording?
120 min. Data is auto erased after 120 min.
How do you erase what is on the CVR?
Must be on the ground, parking brake set, hold button for 2 sec.
What is unique to the EQUIP door light?
It is the only one that has two doors associated with it.
What does the Lights test position do?
It illuminates (at full bright) all system lights on center pedestal, overhead panel and most lights on instrument panel.
Which NAV modes will display TCAS traffic?
Map, Center Map, VOR or APP modes
What does a TA look like?
solid amber circle
What does a TA look like?
Solid red squar
What does pitch guidance on the PFD look like during an RA
Restrictive Red bands. (like a rectangle)
What does the vertical speed guidance on the IVSI look like during an RA?
Red - do not fly to / Green - fly to markings
In the TA/RA mode when is the RA inhibited?
Stall
Windshear
GPWS
Less than 1,000 ft RA
What are the sources of bleed air?
Engines, APU, and Ground Air
What is bleed air used for?
Anti-ice, Pressurization, Airconditioning, Pressurization of Hyd systems and water system, Engine Start, and Aspirated TAT probe if installed.
What is indicated by the illumination of the DUAL BLEED light?
APU bleed is on with #1 Eng bleed on, or APU bleed on with #2 Eng bleed on and Isolation valve open.
What would cause an Engine Bleed tripoff?
Excessive Pressure or Temperature
How does the Isolation Valve work in AUTO?
The valve is closed when all engine bleeds and pack switches are on.
What would cause a L WING BODY OVERHEAT light to illuminate?
A leak in the left side duct (eng. strut, wing leading edge, air conditioning bay, keel beam, or APU duct.
What would cause a R WING BODY OVERHEAT light to illuminate?
A leak in the R side duct system (eng. strut, wing leading edge, Air Conditioning Bay)
Can a BLEED TRIP OFF be reset?
Yes
Can a WING BODY OVERHEAT be reset?
No
Equipment cooling is for the most part automatic. When would you have to interact with the system?
When the OFF light illuminates
What does the Equipment Cooling OFF light indicate?
Loss of air flow due to fan failure.
How many supply fans are there? How many exhaust fans are there? (for equipment cooling)
Two and two
Where is the equipment exhaust air drawn from?
Flight Deck Displays, Overhead and AFT electronics panels, circuit breaker panels, and the E&E bay.
Where is is equipment cooling air exhausted?
The Overboard Exhaust Valve when open.
or
The Outflow Valve when the OEV is closed
If a supply or exhaust fan should fail when on the ground, what indication would you get?
MC light with an Overhead annunciation and a nosewheel well horn.
Is a single PACK capable of supplying all of the air conditioning and pressurization requirements of the airplane.
Yes
What is indicated by a PACK light?
Pack trip (overheat) or dual controller failure
When would you get HIGH FLOW if both packs were in AUTO?
Both engine bleeds off and APU bleed on
If on downwind at 5 flaps and you had a pack 2 fault, would the remaining pack go to HIGH FLOW?
No not with flaps out
Is it recommended to operate two packs from a single bleed?
No
When would it be feasible? (to run two packs from a single bleed)
On the ground with the APU
What sort of flow does the APU produce when a pack is in HIGH on the ground?
Max Rate
What is indicated by a CONT CAB zone temp light?
Duct Temp Overheat or Dual Controller Failure
What is indicated by a FWD CAB zone temp light?
Duct Temp Overheat
What is indicated by a AFT CAB zone temp light?
Duct Temp Overheat
Ca the AFT CAB zone temp light be reset?
Yes
If both the primary and secondary controllers for a pack fail, will the pack continue to operate?
Yes
Why would the engineers design an air conditioning system that is so seemingly difficult to understand?
to make is simple to operate
When you move a zone temperature control up, what are you asking the system to do?
Add warm trim air (Bleed air)
What do recirculation fans do?
Reduce pack workload and bleed air demand (which saves fuel)
How would you achieve maximum cooling on the ground?
Packs on AUTO, APU bleed open, and Engine bleeds closed.
Which windows do the air vent controls defrost?
1 windows only
What is the max differential pressure?
9.1 psi
What is indicated by the AUTO FAIL light illuminated by itself?
Dual Controller failure
What is indicated by an AUTO FAIL light and the ALTN light?
Single controller failure
What is indicated by the OFF SCHED DESCENT light?
Aircraft descended prior to reaching (within .25psi) cruise altitude
What is the result of changing the FLT ALT setting after takeoff?
Inhibits the auto return feature
How does the operation of the outflow valve in manual compare with the operations in AUTO?
its slower (20 sec. from full closed to full open)
What would cause an AUTO FAIL light to illuminate?
An excessive rate of cabin change (+/- 2000 fpm) loss of DC power Controller fault Outflow valve problem High cabin pressure (>8.75 psi) High cabin altitude (15,800 ft)
What does the HIGH ALT LDG Option Switch do?
Reprograms the initiation of the cabin altitude warning horn from 10,000 ft to 12,500 ft
