777 Tech Study Guide Flashcards
What lights auto extinguish when gear selected up?
Taxi light and nose landing gear
How are the annunciation lights affected by the Storm switch?
Puts them on full brightness.
As well as:
L/R FWD panel flood
Glareshield flood
Some
Aisle stand floor
Which flight deck lights are powered by standby elec power?
Dome lights
Flood lights
Does master brightness control circuit breaker panel lightin?
No
Do individual lighting controls operate with master brightness on?
Yes, but to limited range.
What EICAS shows that emergency lights are not armed?
EMER LIGHTS
What is requirement for door 1L overhead rest to be used for taxi take off and landing?
Door open and latched.
(Until at altitude with seat belt signs off)
Make sure supply airflow light NOT illuminated
Can 5L over head rest be occupied while amber airflow light is on?
No.
Illuminated until F250
When will upper crew rest alert horn sound continuously?
Depress
When will upper free rest alarm sound Pulsate?
Smoke detected in crew rest
How can aft galley power be reset?
Push and hold AIRFLOW/SMOKE RESET SWITCH at both door 1L and 5L
How can alert horn be silenced at crew rest?
Push horn shut off
Is take off permitted in the secondary flight control mode?
No. Only in normal mode.
-Normal
-Secondary (can check on flight control synoptic)
-Direct (only if PFC turned off)
The operation of which flight control is limited to 20,000’?
Flaps
If try to operate above, you’ll get
“load relief”
Weather radar limitations?
Not in hangar or with people near nose.
Can do TEST though.
Can aircraft be operated outside the conditions of MEL?
Rarely, but can use Operations Dispensation in OPS A.
Example, lightning strikes exceed limits.
Takes a bit of time.
PADD is for what?
Performance downgrade differed item.
Usually CDL is accompanied by PADD.
(L) in MEL signifies what?
Autoland capabilities affected
- MUST ALSO BE A PADD
(E) item signifies what in MEL?
Effects EDTO capability.
- MUST ALSO BE A PADD
When has the aircraft been dispatched?
MEL definition:
After moves under its own power (so basically after ENG start)
If defect on taxi:
Consider QRH, FCOM, MEL, IOC, ENG
Different definition in Ops A:
Parking brake released prior to pushback or taxi. Ops 0.5
ZADD
Cabin defect
What sources can supply bleed air?
APU
Ground Cart
Engines
Items that use bleed air?
EAI
WAI
Hydraulic reservoir pressure
Potable water tank pressure
Engine starts and APU
Cabin pressure and temp
Center hydraulic demand pumps
Aft cargo heat
TAT probe aspiration
How many engine bleed sources are there?
2
High pressure stage for low thrust moments
Low pressure stage for high power settings
List cases for automatic engine bleed valve closure?
Start
Bleed source loss
Over temp or over pressure
Bleed duct leak
Eng fire switch pulled
Ground air supplied
When can bleed air from APU be used in flight?
F220 and below
Is ground bleed air high or low pressure?
High
Which isolation valves are normally open in flight?
L and R
Center stays closed to separate sides.
How many steps to isolate a duct leak?
1, 2 or 3 steps
What EICAS indicates isolation of a duct leak?
Bleed Loss L/C/R
Bleed leak provides auto isolation.
What does the air con system provide to cabin?
Conditioned air from PACks and recirculated air from upper and lower recirc.
How many cabin temp zones are there?
7
6 cabin
1 cockpit
On ground, which is noisier, 1 pack or 2 packs?
One pack, working harder
List the doors on 777
Passenger entry
L1,2,4,5 plug
Over wing
Door 3L/R plug
RHS cargo:
FWD and AFT Electric NON PLUG
BULK - plug
When does the door vent panel open?
Initially after rotating the handle
Auto flight lock is above 80kts
(Limited door handle rotation)
Vent opens to allow smoke exit
Electrical power lost, what is position of door flight lock?
Spring loaded to open
When are the door handles locked?
Above 80knots (limited movement)
Which cargo doors are electrically operated?
FWD and AFT
(Non plug)
How is bulk cargo door operated?
Manually
Can the fwd and aft cargo doors be operated manually?
Yes.
Normally electronically, but can manual.
How can the oxygen quantity be determined?
STATUS PAGE
1600 PSI is the golden number
(Anything below and should have a look at FCOM limitation)
- be quick and firm about it with engineering, can take approx 30-40 min to change. It’s a limit and needs to be changed!
How is oxygen shut off and crew usage?
Close left o2 door and press the
reset/test switch.
Is the passenger O2 system gaseous or chemical?
GASEOUS
(Only ex EK aircraft are chemical)
HNS-HNX
When do passenger oxygen masks auto deploy?
Cabin altitude of 13000’
(If switch guarded in Norm)
How can passenger oxygen flow be reset?
Flight deck:
push the reset switch on Pass O2
-flow controls close if cabin altitude falls below 13500’
When does bulk cargo ventilation fan operate?
Bulk cargo temp selector in high
Which air heats the FWD cargo hold?
Air from FWD equip ventilation system
Which equip cooling supply fans normally run?
FWD
What will cause automatic override mode of Equipment Cooling?
Flight:
-both supply fans fail
- low airflow
- smoke detected
- FWD cargo fire switch armed
- equip cooling switch to OVRD
How is avionics equipment cooled during override mode?
Differential pressure
(Hence might have issues alt low altitudes and high temperatures)
What are indications of FWD equip cooling failure on ground?
EICAS:
Equip cooling
And
GND crew call horn in wheel well
What draws air through aft electronics equipment, galley and lavs?
Aft equip cooling and vent system
(2 aft vents)
So FWD is for FWD cargo and FWD avionics
AFT is for aft avionics, lav and galleys
How is excessive differential pressure protected?
Positive
And
Negative relief valves
For pressurisation, how is cabin air discharged?
FWD and Aft OUTFLOW valves
What data entry allows for fully automatic pressure control?
Flight plan data from FMC for take off and landing altitude and cruise alt
Is the aircraft pressurised for take off?
Yes. Slight positive pressute
What is assumed cruise altitude default by cabin pressure system?
39000’
What is the max cabin altitude?
8000’
Does the aircraft land with pressurisation ?
Slight positive pressure
Which altimeter provides landing alt Baro pressure correction? Capt or FO?
Captain
What two manual operation will provide pressurisation data on EUCAS?
Press AIR
Or
Outflow valve switches to manual
What is the diff between EICAS
PACK L
And
PACK MODE L
Pack L means pack has failed
Pack mode L
means it’s in STBY COOLING MODE
When does PACK OPERATING in standby cooling mode shut down?
If other pack operating:
The pack in standby cooling mode will shut down if:
Low ALT
Or
High outside TEMP
How is flight deck supplied with conditioned air?
100% fresh from L pack
(L Eng bleed and trim for warmth)
What provides L and R trim air?
Hot air from bleed goes to trim
CACTCS modulates
(Cabin Air Con Temp Control Sys)
L: flight deck and 3 cabin zones
R: other 3 cabin zones
What are the min and max master temp selections?
18-29 C
What is flight attendant range for cabin temp modification?
+/- 6 degree
Can flight deck temp be manually controlled?
Yes.
18-29C
Which zone control pack output temp?
Zone requiring coolest temp
What is default temp if temp selector not available to the CACTCS?
24 C
What will control the pack temp after loss of the auto zone control?
Air supply and cabin press controllers control the pack control valves
Are shoulder and foot warmers avail on ground?
No.
Flight only
No airflow. Electric heating elements only
How are aft and bulk cargo heated?
Independent bleed air heating system
(Insulated curtain separates the two)
What system draws air across the cargo temp sensors?
Lav and Galley vent fans
What is consequence to Aft and Bulk cargo heat if failure of both Lav and Galley vent fan occurs?
No cargo heat
Is auto ice detection available on the ground?
No.
Where is EAI indicated while operating?
EICAS by N1
List all
Inhibits for WAI
Inhibited on ground
If selected on, inhibited for 5 min after lift off if TAT above 10C
If auto, inhibited for 10 min after lift off
Where is WAI indicated?
Primary EICAS by EGT
Is WAI available after valve fails closed?
No.
Prevents asymmetric
Describe anti ice available for side windows?
Anti fog only, on inside.
When does back up anti fogging operate?
If primary window heat fails
How many wiper speeds?
Off
Int
Low
High
Are pitot and Tat probes constantly heated?
TAT is airborne only
3 pitot tubes: GND and AIR with either engine running
2: AOA
Describe how AFDS controls Elevators, ailerons and rudder?
Fly by wire
Which surface commands are only added during g auto land?
Rudder
How many auto pilot modes have arming phase?
LNAV
VNAV
LOC
GS
ILS capture above 1500’. What happens if hit APP again?
Disarms approach
How does override of rudder pedals effect autopilot system?
Below 1500’ with Land 2 or Land 3, it can disconnect AP. Otherwise nothing.
How does the autopilot react to engaged mode degradation?
Remains engaged in a ATT stabilised mode based on inertial data
How is FD affected by overspeed or stall?
Cause the pitch FD bar to disappear
During Autoland, will degrade to LAND 2 be announced in PFD?
Yes
What 2 occasions cause green box around FMA ?
Change of mode + 10 sec
And
after Amber line removed if fail occurred
Which Autothrottle mode controls to VS?
THR VNAV SPD
(Thrust VS and SPD on elevator)
SPD VNAV PTH
(Thrust on speed, elevator on VS)
When will LNAV auto activate if selected in flight?
If within 2.5 nm of lat ACT route
What heading will be maintained when HDG hold pressed?
Holds HDG reached when Wongs rolled level
What are the bank angle limits for ATT mode?
5-30 degrees
When are TOGA switches available for GA?
Flaps out of up or GS captured
During auto land, when does ROLLOUT engage?
Below 2’ RA
In TOGA pitch mode, what can max target speed be?
V2+15 to V2+25 max
Where does the AFDS get the V2 speed?
MCP
At what altitude will VNAV ACTIVATE?
400 AGL
Does flare mode activate at specific ALT?
40-60’ RA
Can auto throttle be activated without FD or AP
Yes
(As long as AT arm switch on)
Can Autothrottle engage automatically?
Yes. As long as ARMED.
Stall protection, slightly into MMS
Which mode will autopilot not position thrust levers?
Hold
What action causes normal Autothrottle disconnect on landing?
Rev thrust to REV IDLE
What are initial FD commands upon engagement?
Preflight:
8 degrees nose up
During takeoff when can TOGA switches be used for AT engagement?
0-50 knots
Then again after 400’
50kt to 400’, pushing TOGA cannot activate AT
What does selection of TOGA above 80 knots do?
Deselects LNAV and VNAV
What type of altitude is used for LNAV and VNAV enhancement?
Lnav: RA
Manual is 50’
Autopilot at 200’
VNAV:
Baro captured at 100knots by FMC on takeoff
Max speed commanded after take off if engine fails?
V2 to V2+15
(Or
Speed failure, which ever higher)
What is TOGA roll command after take off?
Wings level
50’ LNAV for FmC route
What does TOGA selection do immediately after lift off?
Disarm LNAV VNAV
Gives THR REF and removes derates
What is pitch command speed at acceleration height?
5 knot below take off flap placard speed
What is VNAV climb speed in clean config?
Greater of
Ref30+80
Or
250knots
(FMC VNAV climb page)
When is climb thrust selected?
Next flap setting from take off flaps.
Take off flaps 5: CLB AT SELECT F1
Take off flaps 15: CLB AT SELECT F5
What are the altitudes for Flare, idle and rollout on Autoland?
Flare: 40-60 ‘
Idle: 25’
Rollout: 2’
How is runway alignment achieved for crosswind approach requiring 10 degrees crab angle.
Sideslip introduced at 500’
What will FMA announce in single push go around?
THR TOGA TOGA
(Trying to achieve 2000 feet per min)
After GA what cause toga termination?
Selection of new roll and pitch mode
(LNAV prob auto engage)
400’ AGL can select new pitch mode.
Usually we wait for 1000’ for VNAV, can also select FLCH.
No EO, this will give you CLB thrust
What are three forms of AP envelope protection?
Over speed
Stall
Bank angle
How many PTT push to talk switches does each pilot have?
4
Wheel mic
Glare shield
Hand held
ACP
After depress, how are mask microphone deactivated and boom mic reactivated?
Close left door and press reset
What audio is recorded by CVR
Area mic
Boom mics
Transmit and receive on radar
What is association between radio tuning panels and radios?
Used to tune VHF and HF
Which VHF system can be used for DATA?
C (normal)
And
R
(Left is only voice)
Describe VHF stuck mic protection?
After 30 seconds in flight,
EICAS RADIO TRANSMIT
GND
after 35 seconds, auto shuts off
What do dashes in radio tuning panel frequency window indicate?
Selected radio has failed or disconnected
Where can HF sensitivity be set?
Knob on Radio Tuning Panel
HF SENS for on side receiver
What action will cause HF antenna tuning?
Key the mic and hear 7 second tone
Can both HF systems simultaneously receive from common antenna ?
Yes. As long as one side not transmitting
How many radio systems are monitored by SELCAL?
VHF L/C/R
HF L and R
Satcom
What systems can provide data comm
VHF C and R
HF L and R
Satcom
What does SATCOM CALL mean?
Someone trying to call you?
Press the SAT mic button
What action will end a satcom call?
Habit of always pressing END call on CDU.
Though other party hanging up should do it.
Which system is used to comm with ground engineer?
Flight interphone
What is purpose of Serv Interphone switch on over head?
Normally off.
On connects different points around the plane onto the flight Interphone system.
What PA will have higher priority, FD or Cabin direct access?
1) FD ACP
2) CABIN HAND DIRECT
3) priority all
4) normal from FA or FD handset
(Normally this what we use)
How is priority call from cabin shown in flight deck?
“CABIN CALL”
Or
“CABIN ALERT”
How can a purser call be initiated from ACP?
Double tap CAB
What is the flight deck handset PTT switch used for?
PA only.
If call doors or other station, do not need to push to Talk
What is indicated on EICAS for long winded ATC message
Large ATC message
How to respond to ATC uplink request?
Accept/ cancel
Open ATC or new messages in COMM
How many operating modes for the Primary flight control system?
Normal
Secondary
Direct
(Never Say Die)
3 PFC
4 ACE
Control - ACE - PFC - ACE - PSA’s
(Fly by wire)
How are the primary flight controls powered?
Redundant hydraulic systems
What is back up system for flaps and slats?
Slow Electrics
Which controls have Jam override system?
Column and wheels
Pull as hard as you like
Which flight controls are rigidly connected?
Rudders
How many ACE’s and PFC’s are there in the flight control systems?
4 ACE
3 PFC
Where are pilot controls directly sent?
To 4 ACE, then PFC, then flight controls
9.20.1
Why do PFC’s receive other aircraft system data?
For enhanced handling qualities
How do auto pilot commands cause control movement?
AP to PFC to controls
How do Flaperons droop?
Proportionally to flaps
What flap settings have aileron droop?
Take off flap settings
5, 15, 20
Which control surfaces are locked out in cruise?
Spoilers 5 and 10
And
Ailerons
(Flaperons and remaining spoilers provide enough roll, and engine can cause buffet on 5-10)
What device provides additional use authority?
Rudder hinged trim tab
Can pilot override AP?
Yes