SDH EC130B4 Supplemental Questions Flashcards
Further info for study for Ec130B4 checride
WHAT IS THE DIFFERENCE IN LENGTH BETWEEN THE AS350 and the EC130B4?
1 Foot Shorter (35.03’)
OVERALL LENGTH
from tip of rotor to tail
41.47’
ROTOR DIAMETER
35.07’
WHAT TYPE OF ENGINE
Turbomeca Arriel 2B1
MAST TILT
2 degrees forward to level cabin in cruise flight
TURBOMECA ARRIEL 2B1 Power Rating
847 SHP
(through reduction derated to)
747 SHP (MTOP)
728 SHP (MCP)
Vy USED FOR TAKE OFF, LAND, APPROACH AND EMERGENCY MANUEVERS
70 Knots
AUTOROTATION FLARE HEIGHT
70 Feet
VEMD ENGINE CHECK PROCEDURES
Scroll to Engine Performance Check (EPC) page
Hold settings for 30 seconds and read results on the following page
SCU
System Contorl Unit
To tell you which button on the console is engaged before applying power, because the buttons do not stay depressed
VEMD
(stands for)
Vehicle Engine Multifunction Display
WHAT VEMD SCREENS ARE AVAILABLE UNDER FLIGHT MODE?
- Engine
- Vehicle
- Flight Report
- HIGE
- HOGE
- Engine Power Check
WHERE ARE THE SCROLL BUTTONS LOCATED?
One on the collective
Right side of the VEMD unit
WHICH VEMD PAGE IS FOR THE ENGINE?
Top page
WHEN IS THE FLIGHT REPORT PAGE DISPLAYED?
On engine shutdown when NR is below 70 rpm
HOW ARE FLIGHT TIMES AND CYCLES ENTERED IN THE LOGBOOK?
From information on the Flight Report page
HOW MANY CHIP DETECTORS ARE ON THE ENGINE?
3
1 electrical
2 magnetic
HOW MANY FUEL PUMPS ARE THERE?
3
1 start pump .5 bar
1 low pressure pump 10 bar
1 high pressure pump 40 bar
WHAT PART DOES THE OIL FILTER HAVE TO DO WITH THE FUEL SYSTEM?
Heats the fuel so anti ice additive is not needed
(anti ice, Prist, only needed if below -20c)
FADEC
(STANDS FOR)
Full Authority Digital Engine Control
WHAT DOES THE FADEC DO?
- Automatic engine starting, preventing T4 exceedences
- Proportional power turbine speed control with rotor noise reduction feature
- Protection against engine surge and flame out
- Bleed valve monitoring
- Protection against NG and T4 overlimits
- Engine Power Check (EPC)
- NG and NF cycle counting
HOW IS FUEL FLOW DETERMINED AND ADJUSTED?
By the FADEC
WHAT DOES THE DUAL STAGE STEPPED MOTOR DO?
Provides fuel flow modulation by driving a metering valve in the engine’s ‘hydro-mechanical unit’
HOW IS THE FADEC SUPPLIED POWER?
2 channel gas generator driven independent alternator
FADEC SYSTEM FAILURES 3 LEVELS
LEVEL 1 - FLASHING YELLOW GOV LIGHT
Reset FADEC if before start
In flight, continue to nearest maintenance center
Applicable maintenance before next flight
LEVEL 2 - SOLID YELLOW GOV LIGHT
Avoid operating at engine or torque limits, cautious flight
LAND AS SOON AS PRACTICAL
DO NOT START ENGINE
- Applicable maintenance before next flight*
- LEVEL 3* - RED GOV LIGHT (Total FADEC failure, metering valve frozen. EBCAU has taken over
During start: IMMEDIATELY SHUT DOWN
Avoid operating at engine or torque limits, cautious flight
LAND AS SOON AS PRACTICAL
DESCRIBE THE 3 ANCILLARY SYSTEMS
(PCB’s under the rear right passenger seat)
PCB1 - Fire warning lights, Aural NR warning horns, Gong
PCB2 - ENG chip, MGP chip, TGB chip caution lights, NR/NF signals, BATT TEMP warning light and processes VEMD electrical supply
PCB3 - EBCAU backup unit
WHAT IS THE NAME OF THE SHROUDED TAIL ROTOR SYSTEM?
FENESTRON
HOW MANY BLADES MAKE UP THE FENESTRON?
10
WHAT INDICATION WILL A PILOT HAVE OF THE LANDING OR TAXI LIGHT ARE ON?
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WILL THE AIRCRAFT START WITH THE ROTOR BRAKE OUT OF THE LOCKED POSITION?
NO
IS THE OVERHEAD FUEL CUT-OFF LEVER SAFETEY WIRED?
No, a plastic cover protects it
HOW MANY HYDRAULIC PUMPS?
2
Left hand gear driven for upper portion of servos
Right hand belt driven for lower portion of servos
DO THE HYDRAULIC PUMPS USE SEPARATE RESERVOIRS?
YES
WHAT IS THE PURPOSE OF THE ROTARY DISTRIBUTION VALVE?
If one of the systems fails, the two valves move as an independent unit and supply pressurized fluid and return
IN THE EVENT OF HYDRAULIC FAILURE HOW DO THE HYD ACCUMULATORS HELP?
There are NO accumulators
CAN HYDRAULICS BE LOCKED IN PLACE WHILE AT IDLE?
There is no isolation switch
WHAT DOES THE INST 1 SWITCH DO ON THE LIGHTING CONSOLE?
Instrument panel lighting control
WHAT DOES THE INST 2 SWITCH DO ON THE LIGHTING CONSOLE?
Console and overhead lighting panel
WHAT DOES THE DAY SETTING DO?
VEMD and CWP lights are set to normal brightness
WHAT DOES NIGHT 1 AND 2 SWITCH DO?
2 shuts off compass light
VEMD and CWP lights are dimmed accordingly
DIRECT BATTERY SUPPLIES POWER TO WHAT?
- Transponder
- NR/NF instrument
- Instrument lighting
- Reading and dome lights
- Emergency floatation gear
WHEN DOES GEN TAKE OVER POWER PRODUCTION
When it produces .5 volt above battery
FAN OPERATION TEMP
On at 77c
Off at 68c
TR SHAFT SPEED
6000 RPM
WHY IS THE GPS CRITICAL TO THE FADEC?
It provides a clock for FADEC exceedences or failures
What does B on a page of the RFM mean?
It is FAA approved
Which sections of the RFM are FAA approved, or complimentary?
Sec 1-5 and 9 are FAA approved
Sec 6,7,8,10,11 Complimentary
UPDATES - REVISIONS
- WHITE - NORMAL
- YELLOW - INTERMEDIATE
DIFFERENCE BETWEEN SBT and SLT
SBT (Service Bulletin) Due to an incident or event
SLT (Service Letter) Information
WHAT IS SO IMPORTANT ABOUT THE WINDOWS AND INSTALATION IN AN EC130?
THEY ARE STRUCTUAL. CRACK CAN COMPROMISE THE AIRCRAFT
WHY ARE THE MAIN WINDOWS GLUED AND TAPED IN, BUT THE CHIN (LOWER) WINDOW IS BOLTED IN?
LOWER WINDOW MAY BE REMOVED EASILY FOR MX TO ACCESS FRONT EVAPORATOR IN THE B4
BEFORE ENGINE START, WHEN THE INDEPENDANT ALTERNATOR IS OFFLINE, HOW DOES THE FADEC RECIEVE AC CURRENT FOR START?
FROM THE STATIC INVERTER IN THE MASTER ELECTRICAL BOX UNDER THE REAR CARGO COMPARTMENT