787 Systems Refresher Flashcards
Ch 1 - General
Dimensions
- 60.1m wingspan (197’)
- 62.8m length (206’)
- min 47m for 180 degree turn
Ch 2 - Air Systems
- 4 Cabin Air Compressors (CAC)
- 2 Packs. Each pack has 2 dedicated CACs
- upper and lower recirc fans
- dehumidifation with 2 zonal dryers
- trim air to control temp
- 7 temp zones
- humidifier
- forward and bulk temp control
- Fwd and aft equipment cooling provides some cargo heating
- Power Equipment Cooling System PECS. Liquid cooling for large motor power dist system
Ch 2 - Pressurisation Systems
- Cabin Pressure Control System (CPCS)
- 2 outflow valves
Ch 2 - Bleed Air Systems
- Engine Anti Ice
Ch 3 - Anti ice
- automatic ice detection
- engine anti-ice (bleed air)
- wing anti-ice (electric icing mats)
- flaps out of up, WAI or EAI modifies stick sharer margins
- pack inlet anti-ice
- flight deck window heat
- winshield wipers/washers
- probe heat
Ch 4 - Autoflight
- AFDS = 3 autoflight computing systems
- Autothrottle
- MCP
- FMC
Ch 5 - Coms
- CVR
- Radio
- SELCAL
- SATCOM
- Crew Alerting System
- Interphone
- Datalink
Ch 6 - Electrical System
- 4 variable frequency starter/generators (VFSG)
- 2 variable frequency APU starter/generators
- 3 external power receptacles
- 1 Ram Air Turbine (RAT)
- 1 Main Battery
- 1 APU battery
- 3 flight control Permanent Magnet Generators (PMG)
- 2 EEC Permanent Magnet Generators (PMG)
Ch 7 - Engines
- 2 GEnx- 1B76A Engines
- 2 rotor axial flow turbofan
- EEC control powered by engine PMA or backup A/C pwr
Ch 7 - APU
- self-contained gas turbine engine
- can be started at any altitude
- can supply electrical power throughout A/C envelope
Ch 8 - Fire Protection
Fire detection and extinguishing in:
- APU. Dual loop detection. 1 bottle only.
- cargo compartment. 18 detectors. 5 bottles. Inflight 2 discharge immediately on detection. remaining 3 discharge at reduced rate. On gnd pushing discharge sw discharges 3 with 1 at reduced rate.
- engines. Dual channel in each eng. 2 bottles in total.
- lav
Fire Detection only in:
- main gear wells. Dual channel
- both overhead crew rests
Overheat detection in engines and wheel well.
Ch 9 - Flight Controls
- 3 modes. Normal, Secondary and Direct
- 2 elevators (hyd + RAT)
- 1 stabiliser (elec)
- 2 Ailerons (hyd + RAT backup)
- Flaperons (hyd)
- 1 rudder (hyd + RAT)
- Flaps (C hyd + Elec)
- LE Slats (C hyd + Elec)
- Spoilers (Combo hyd + elec + RAT)
Ch 10 - Flight Inst/Displays
- PFD
- ND
- EICAS
- Aux Display
- MFD
- ISFD from Centre P/S + internal IRS + ILS/GLS left INR
Ch 12 - Fuel
- 3 tanks 16.8 x 2 + 67.8
- each tank has 2 AC powered fuel pumps
- centre has 2 override/jettison pumps with higher output pressure
- left tank has DC pump for APU operations
- auto scavenge centre tank when main pumps on, centre pumps off and either main tank less than 16 T
- fuel jettison automatic. Shut off at 3.9T per main tank
Ch 13 - Hydraulics
- 3 hydraulic systems
- 5000 psi
- Left & Right 1 Primary EDP + 1 elec Demand pump each
- Centre has 2 elec pumps. Alternate between Primar and Demand
- RAT provides elec power + hyd power to centre system flight controls. Auto deploys when
- Nose/Reserve Steering/Alternate Extend isolation valves in centre system to ensure funtionality in leak