General Overview Flashcards
What is the 787 know best for?
First all Composite fuselage in Commercial aviation (50% Composites total)
Permits higher cabin pressure and lower maximum cabin altitued 6,000 ft
What are some of the major innovations of the 787?
All electric architecture
5,000 psi Hydraulic system
no Pneumatic system
What is the Req for FA’s
1 for every 50 passengers
What are some of the cost benefits of the 787
20% more fuel efficient
30% less maint costs
20% reduction in emissions
60% noise reduction
How many passenger cabin exits?
8
1L 1 R
2L 2R
3L 3R
4L 4R
How many cargo compartments and where are they
3
FWD and AFT cargo compartments on the right side
Bulk cargo compartments on the left rear
What is EICAS
Engine Indicating and Crew Alerting System
What do ALL cargo compartments have?
All pressurized and heated
smoke detection and extinguishing systems
What is the volume of each cargo compartment?
Containerized cargo only in FWD and AFT
FWD - 3 16L ULD
AFT - 3 12L ULD
Bulk - loose cargo for baggage and live animals and has additional ventilation
(ULD universal loading devices)
Where is Refueling accomplished
only on the left wing
What are the two equipment compartments
FWD
AFT
Where are the Ext Power Receptacles and what sources do they supply?
Why Two?
Both on the LEFT side
FWD External Power Receptacles - accepts two power sources left and right
AFT External Power Receptacles - only accepts one power source
(Normally the FWD is used. The AFT is added only to assist in starting the right eng with the APU is Inop.)
What is the CCS?
Common Core System
a network which allows all of the different computing functions and remote inputs to be centrally processed
Left and Right CCR Common Computing Resource both located in the FWD E/E
(Reset located next to FD door power buttons)
When does the CCS boot up?
When the Ext power is AVAIL
Left boots up first (2-3 Min) then right
if only Batter pwr available Left CCR only
to start the APU Left CCR has to be booted up
How long does it take to boot up a CCR?
How do you know its finished?
2-3 Min
Captains inbd display and Lower display (both CDU’s) are available
How do you know both CCR’s are on line?
All Flight deck Displays and both HUD’s on
Describe the Passenger oxygen system
Gaseous Hight pressure bottle system that delivers O2 to the PSU passenger service units
oxygen is provided for 22 min
What is a POB?
Portable Oxygen Bottle
What is the only system that uses bleed air?
Engine Anti Ice
How is the conditioned zoned in the plane?
5 Zones
1 FLT deck
4 Cabin
How is air supplied to the aircraft?
CAC’s
each Pack is equipped with 2 air compressors ecause there is no pneumatic system
How is Cabin Pressurization controlled?
Through 2 identical outflow valves
AFT
FWD
(half of the outflow is discharged through each valve)
How is Cabin Pressure operated
Fully automatic and operated by the Flight Management Computer FMC
What Protection systems do we have for the pressurization system
2 Positive Pressure Relief Valves
2 Negative Pressure Relief Vents
Where is the ice protection on the 787?
Wing anti-ice Engine anti-ice Pack Inlet anti-ice Probe Heat Window Heat
Can Wing Anti ice operate on the ground?
How is it heated?
Yes above 75 kts
Heated by 4 electric heating mats per wing along the mid wing slats
Can engine anti-ice operate on the ground?
How is it heated?
Yes
Hot bleed air is delivered to the inlet cowl and the engine core
OFF/AUTO/ON
When and how are the CAC’s heated?
Operated only in flight and is fully automatic
uses electric heater for the leading edge of the ram air inlets
When and how is Probe heated?
Auto when either engine is running
(TAT probe is not heated on the ground)
When and how is window heat provided?
window heat is provided by electrical resistance coatings normally in AUTO, but can be selected to on.
What are the Hydraulic systems
Left
Right
Center
What systems are controlled on the LEFT HYD
1/3 Flight controls/spoilers
left eng thrust reverser
What systems are controlled on the RIGHT HYD
1/3 Flight controls/spoilers
Right eng thrust reverser
What systems are controlled on the Center HYD
1/3 Flight controls/spoilers Leading edge slats Trailing edge slats Landing Gear Nose Gear Steering
How are the LEFT and RIGHT HYD SYS pressurized?
Primary - By their side Engine Driven Pump
Secandary - Electric motor pump as a Demand pump
How is the Center HYD SYS presurized?
2 Electical motor pumps
One as a primary and the other as s demand pump
Role of Primary alternated based on calendar day
What is the RAT?
Ram Air Turbine Hydraulic pump
Emergency source of Pressure to operate the Center HYD SYS 1/3 share of the flight controls
How are the brakes operated and controlled?
Multiple disc carbon brakes
electrically controlled
What mode for autobrake do we select for T/O
RTO
With the electrical panel showing AVAIL on both FWD EXT PWR, what is the status of the CCS?
Both left and right Common Computing Resources (CCR) are powered
How is fuel divided?
Three tanks
Left wing and Right wing and Center tanks
How is fuel moved?
Each tank has 2 AC pumps
wing FWD and AFT
Center L & R
(center pumps have a higher output pressure)
Cross feed is where?
between the L & R
Where does the APU normally receive fuel
L Tank
but it can receive fuel from either tank, R Tank if crossfeed is open
What supplies the APU when no AC power is available?
DC Fuel pump
How does the fuel balance system work?
When Balance is turned on and the engines are running it operates in flight and on grd.
If eng are not running it will work if the APU is on
Where and when dose the fuel jettison syst work?
Jettisons fuel from all tanks
Does not work on the ground
What is the Max altitude the APU can be started
43,100 ft
How is the APU started?
From one of two starter generators
How can you monitor the APU Perameters?
The SYS button and STAT page
When does the APU Automatically start?
When there is a loss of three or more Generators in flight
Starts regardless of the position of the APU selector
Where are the ground controls for the APU Located
Back of the nose gear
What kind of engines do we have?
General electric GEnx 1B67
67,000 lbs Thrust rating
What are the danger zones for the Eng at idle and T/O
Idle
15’ in front
6’ behind intake
45 degree 175’ Behind
T/O
63’ in front
11 behind intake
45 degree 2100’ behind
What style of eng are the GEnx 1B67?
Dual Rotor Axial Flow Turbofans with hight compression and Bypass Ratios
N1 and N2 rotors are Mechanically independent
N2 drives the Accessory gear box
What are the Accessory gear box (AGB) components
FWD: Fuel/Oil heat exchanger HYD Engine driven pump Lube and Scavenge pump Permanent magnet alternator
AFT: VF Starter Generator Main fuel pump Fuel metering unit Flow split valve
How is Reverse Thrust provided?
Cascading Vane system
Cover slides back and forces air forward
(provides reversal of the Fan airflow while the primary airflow continues normally)
What is the EEC
Electronic Engine Controller
which monitors the Thrust lever position to automatically control the engines to provide limit protection
What system has a detection system but no extinguishing system?
Main Gear Wheel wells
The have a detection system and overheat detection
What is the Bottle location and how is it powered?
2 ENG
7 Cargo
1 APU
powered by the Hot Battery Bus
What does the Lav have for fire extinguishing
Automatic extinguisher in the waste container
Describe the Flight control systems in the 787
2 Fly-by-wire systems
Primary control system
HYD actuated
operating modes : Normal-Secondary-Direct
Flaps and Slats system
HYD actuated Electrical if HYD not avail
Primary-Secondary-Alternate
Stabilizer and 2 spoiler pairs are Electrically actuated
all have artificial feel
Describe the electrical system
115 VAC
28 VDC
6 - 235 VAC Starter generators (2 each eng and 2 for apu)
How is it controlled and managed
Bus Power Control Unit (BPCU)
How is 28 VDC power provided?
Converting the 235 VDC using power conversion devices
Where does the Primary flight controls fly-by-wire system get its power source?
it uses Permanent Magnet Generators (PGM’s) in the engine starter generators
What is the Mode Control Panel
the panel used to manually control the aircraft flight path
What is a TCP?
Tuning and Control Panels
What is the ATP
Alerting and Transponder control panel
What are the dimentions of the aircraft
186’1” Length
197’3” Wingspan
32’2” Main gear width
55’6” Height
What is the min pavement for a 180 degree turn
138’4” no Diff Braking
(determined by the wing tip as it is the biggest ark no diff braking)
never make a turn with objects 15 ft from wing tip and 55 from nose.
What is the seating arrangment for the 787
20 Business
21 Premium Economy
210 Economy
Which door have single or dual escape slides
Even numbers have Dual (2L, 2R, 4L, 4R)
Odd have single
What are the compartment designators for the cargo
FWD - 1 and 2
AFT - 3 and 4
BULK - 5
Desribe the FWD and AFT cargo doors
Non plug type door
HYD operated with and electric power pack
manually locked and unlocked
power pack can be manually operated
Describe the BULK cargo door
Plug type
Manually operated
gas spring counter balance with HYD snubber
(animals stored here)
What are the OFCR and OFAR
OFCR - Overhead flight crew rest
OFAR - Overhead Flight attendant rest
Second level in front (1L & 1R) and back of aircraft (4L &4R)
May only be occupied for flight
Smoke detection but no extinguishing system
What does the Light on the OFCR mean
Smoke detected
or
attendant call button on a PCU has been pushed
In the OFCR what dose the Horn shut off switch mean and do
illuminates during a decompression or smoke in the OFCR
pressing the switch silences the horn but lite stays on
What is the EICAS for OFCR smoke and OFAR
SMOKE REST UPR DR 1
SMOKE REST UPR DR 4
What is unique about the OFAR
no ventilation below 15,000 ft
Where is the Escape hatch for the OFCR
Under the right side bunk
What powers the Dome lights
Stby Battery
When normal electrical power is lost what lighting and DU are powered and how
Primary DU
aisle stand flood
FWD panels flood
Glare shield flood
FWD Dome
STORM
What does the Contrast (inner knob) on the outboard inboard and lower DU’s do
Adjust the brightness of the Weather Radar and Terrain Display
What lights are controlled by the Master Bright switch
DU’s
Internal panel
What lights are controlled by the storm switch
Flood lights
Dome
indicator lights
The 2 taxi lights are illuminated
anytime the nose gear landing light is illuminated
When do the passenger seatbelt sign come on automatically even in the off position
When cabin Oxygen is deployed
when seatbelt sign is in Auto, when does it illuminate
Gear up not locked >/= Flap 5 < 10,000 ft > 10,000 ft Cabin Altitude Oxygen on
How long does the emergency lighting last
how is it charged
10 min
remote batteries charged by the airplane
The FA’s EMER LIGHTS at 1L turns on the emergency lights:
regardless of Flight Deck EMER switch position
Describe the pottable water
270 gallon tanks
in the tail empanage behind the bulk cargo
Two water pumps
Describe the limits of the Flight Lock on the doors
engages when > 80 kts
Disengages when < 70 kts
How do you enter the Flight deck door chime
1, ENT
How can you vent the Flight deck on the ground
Vent open in the Escape hatch
When do you have to apply TLim to approaches
When outside the operating range
when inside range only DA temp comp required
Where can we find the list of RNP approaches Air Canada can fly
10-10 pages
Is there any special MEL requirements above the usual RNAV for RNP approaches
EGPWS can not be MEL’d
Where can we get the list of equip required to conduct a RNP approach if a system is failed
QRHN
When is DA for an RNAV approach not authorized
RNP < 0.3
Higher than standard missed approach climb gradient
2.5%
What category are we for Missed approach
Cat D
What has to be turned off for RNAV RNP approaches
VOR/DME - POS REF 3/4
What are the speed limits on a RNAV RNP approach
IAF - FAF 250
FAF - DA 165
MAP 265
(CAT D)
Why are there specific speeds on a RNAV approach
to fly the RF leg without exceeding bank limits
If conducting a Missed Approach just after the FAF
what is you max speed and for how long
165 until past the DA
flap retraction may need to be delayed
Where can you get details about RNP approaches
QRHN
RNAV (RNP)
Can you go direct to an RF originating WYPT
NO
How do you know your ANP is higher than RNP
Yellow Bar on NPS
On an RNAV approach what is checked at the FAF
PF - FAF name
PM - Passing altitude
Checking for difference in altitude of < 100 ft
What do you have to do if LNAV/VNAV TLIM is out of the rang specified on the plate
revert to LNAV minimums
What are RF curved approaches
RF - Radius to fix
curved approaches
Do you need to monitor the underlying navigation aid to fly an overlay approach
no
What is Terps and Pan Ops
Terps - Terminal Instrument Procedures
Pan Ops - Procedures for Air Navigation services
What is the Z mean
Z for the lowest minimums
Y next lowest etc
LNAV means what
Lateral NAVigation
CDA approaches only
MDA + 50
Where can you find the GPA for most Canadian RNAV GNSS approaches
No GP available
found in the ground speed knots portion of the approach plate
What is CDFA
continuous descent final approach
Can Air Canada aircraft conduct RNAV RNP or RNAV AR approaches
NO
Is there a limit to NAIFR
Yes you cant do it to airfields with only RNAV approaches available
Can you use airports as alternated for T/O or enroute if the only have GNSS
yes
if it meets the requirement FOM 8.1.8.3 Alternate with GNSS Approach
How can you do a pa without the crew bunks being bothered
Use PA - ALL