Exam 3 Final Review Flashcards
purpose of aircraft fuel system
deliver fuel to engines safely under a wide range of operational conditions
what should the aircraft fuel system monitor
quantity of fuel, check fuel pressures, temperatures, flow rates
Reliability of aircraft fuel systems
Piston: will not result in power interruption for more than 20 seconds
Turbine: will not cause flameout
fuel system independence
fuel system for one engine will not affect another engine
isolation of different fuel lines
gravity fed fuel system
uses force of gravity for fuel flow
has a both option
Pressure feed fuel system
uses boost pump to move fuel
tanks too low to provide adequate pressure
Fuel pump purpose
move fuel through fuel system when gravity flow is insufficient
provide positive pressure to eliminate vapor lock
Integral fuel tank
sealed with fuel proof compounds
wet wing
manufactured when aircraft is built
bladder fuel tank
rubberized synthetic bag
aircraft structure supports weight
fuel strain and filter
removes foreign materials from fuel system
what three points does a strainer strain from
bottom of fuel tank
lowest point in fuel system
near fuel control unit
fuel selector valve purpose
shutoff flow
select tank
transfer fuel
direct fuel
purpose of grounding (static bonding) during refueling
prevent static discharge and possible explosions
fuel sump vs fuel drain
sump: low point in tank for collection of water and sediment
drain: low point of sump for draining water and sediment
what is a cross feed system
supply any engine from any tank
what is the fuel jettison system
dumps fuel overboard in event of an inflight emergency
when is the jettison system required
when takeoff weight is greater than 105% of the certified landing weight
when are rigid fuel lines used
metal tubing
stationary applications where long and straight runs are possible
Class A fire compartment
crew and passenger area
fire may be visually detected, reached and combatted by flight crew
Class B fire compartment
cargo and baggage
access for a crew member to reach all areas and combat
what do both class A and B compartments have
smoke or fire detector
class C fire compartment
inaccessible compartments
fire detection/fighting done by remote sensors and fire control
class D fire compartment
inaccessible cargo and baggage
fire confined to area, crew may not know it is happening
class E fire compartment
cargo aircraft cargo area
Must have:
smoke/fire detector
shutoff air flow ability
controllability form flight deck
ability to isolate smoke or flames from flight deck
Fire detection systems
spot: monitor one location, has thermocouple, produces current when heated
continuous-loop: monitors greater area, ceramic changes resistance with heat
smoke detection system
photoelectric: samples for visible smoke particles
ion: samples air for ionized gas (smoke)
Class A fire
paper, wood, cloth, trash
class B fire
flammable liquids
class c fire
electrical equipment
class D fire
metals
Water type extinguisher
class A fire
removes heat leg
foam type extinguisher
class A and B fire
removes oxygen leg
carbon dioxide extinguisher
type in most aircraft (Halon)
takes away oxygen and heat legs
class B and C fires
dry chemical extinguisher
class A, B, c fire
barrier between oxygen and fuel
what is a squib
fired charge to set off a fire bottle
what happens when the fire handle is pulled
ask in class wednesday
what are the conditions needed for ice to form
freezing temperatures and visible moisture
what are the dangers of icing
frozen controls
blocked pitot/static ports
reduced lift
added weight
structural damage
ice detection systems
visual
vibrating probe
rotary cutter
What is anti-icing vs deicing
anti: prevents formation of ice
deice: removes ice already formed
Anti-ice examples
engine bleed air
electric heat
fluid
deice examples
fluid
boots
how do boots work
inflation tubes inflate and break off ice
inner tube first than outer tubes
may cause “bridging”
weeping wing / TKS fluid
AL-5 ethylene glycol isopropyl alcohol and water
rain control methods
windshield wipers
chemical repellents
pneumatic jet balset removal
what is the ADI and HSI
attitude director indicator
horizontal situation indicator
what was the first jet passenger service
de Havilland Comet
BOAC
1952
what does the ADI include
attitude indicator
turn and slip indicator
pitch and bank steering bars
glide slope indicator
warning flags
what does the HSI include
heading indicator
course deviation indicator
DME distance indicator
what were 1st gen EFIS
basic glass cockpit
only flight instrument displays
How do 2nd and 3rd gen differ from 1st gen EFIS differ
2nd and 3rd gen have
flight data
airframe data
engine data
warnings/cautions
what is EICAS
boeing, ambraer, canadair
need to know basis information
what is ECAM
airbus
EICAS Display formats
primary - main display, 4 levels messages
secondary - auxiliary EICAS: N2, fuel flow, oil press/temp, oil quantity
compact mode: when one display inactive or on maint pages
Level A ECAM
red
warnings
immediate attention and action
level B ECAM
amber
caution
immediate awareness, future action
level C ECAM
amber or light blue
advisory
immediate awareness, possible action
level D ECAM
white
memos
PFD
primary function display
basic flight information, display priority
ND
navigational display
aircraft position
navigational info
weather, flight plans
MFD
multi-function display
FO for checklists, maps
EFB classes
Class 1 - portable electronic device
Class 2 - mounted in A/C
Class 3 - permanently installed
HUD
heads up displays
view critical flight instruments and ability to keep head up in flight
eliminate transition time
CVR vs FDR
cockpit voice recorder
flight data recorder
both part of the “black box”
recording limit on CVR
120 minute limit
what aircraft require a CVR
any US registered multi-engine turbine powered aircraft with 6 or more passenger seats if 2 or more pilots are required for operation
when can the erase button be used
after a successful flight
wheels on the ground
engines are off
recording limit on FDR
25 hours
What aircraft must have FDRs
any multiengine turbine powered aircraft with 10 or more passenger seats
what information is recorded by an FDR
flight data
attitude, altitude, speeds, etc
underwater locator beacon
underwater locating device
attached to cockpit voice recorder and flight data
activates when submerged in water
30 day operating capability
flight data recorder crash withstandability
3400Gs
1100C for 30 minutes
submerged 20,000ft
why is a grounding cable used during aircraft refueling
to ensure the aircraft and fuel truck/tank are at the same electrical potential
