Bell 407 EP's Flashcards
EP: Engine Failure: Hovering
Indication:
- Left Yaw
- ENG OUT Light Illuminates
- Engine Instruments indicate powerloss
- ENG OUT Audio when N1 below 55%
- NR decr. with ROTOR LOW RPM light and audio on when NR below 95%
Recovery:
- Maintain Collective
- Control Yaw with Pedals
- Increase Collective to Cushion Landing
- Complete Helicopter Shutdown
EP: Engine Failure: In-Flight
Indication:
- Left Yaw
- ENG OUT Light
- ENG OUT Audio when N1 below 55%
- NR Decre. with ROTOR LOW RPM light and audio on when NR below 95%
Recovery:
- Enter Autorotation
- Attempt Restart if Altitude permits
- If engine doesnt restart
- Throttle closed
- FUEL VALVE switch OFF
- Maintain heading and attitude
- Collective adjust to maintain 85-107% NR
- Cyclic adjust for airspeed
- Flare to lose airspeed
- Apply collective as flare effect decreases to reduce speed and cushion landing
- Complete helicopter shutdown
Autorotation: Minimum rate of descent airspeed
55 KIAS
Autorotation: Max glide distance airspeed
80 KIAS
Autorotation: Max airspeed
100 KIAS (115 MPH)
EP: Engine Restart In-Flight
Manual FADEC Mode Procedure:
- Adjust collective to maintain 85-107% NR
- Adjust airspeed as desired
- 55 KIAS with minimum NR allow pilot more time
- Close throttle
- FADEC MODE switch to MAN
- FUEL VALVE switch ON
- STARTER button Press and Hold
- NG 12%
- Throttle slowly advance out of cutoff and stop at lightoff
- MGT allow to peak
- Throttle modulate throttle to maintain mgt
- Release start switch at 50% NG
- Check oil pressures
- Throttle advance smoothly to full open position
- If restart unsuccessful abort and secure engine
- Throttle closed
- FUEL VALVE switch OFF
- Autorotative descent
Automatic FADEC Mode Procedure:
- Collective adjust for 85-107%
- Adjust airspeed as needed
- Fuel Valve switch ON
- Throttle OFF
- Start switch hold til throttle at idle
- NG between 12-50
- Throttle to IDLE
- Monitor MGT
- Check oil ressures
- Throttle advance smoothly to fly
- If no good throttle off
- Fuel valve OFF
- Autorotative descent
EP: Engine Underspeed
Indication:
- Decrease in NG
- Subsequent decrease in NP
- Possible decrease in NR
- Decrease in Torque
Recovery:
- Adjust collective to maintain 85-107%
- Confirm throttle in FLY
- Throttle position to approximate bezel position that coincides with the gauge indicated NG
- FADEC mode switch to MAN
- Maintain NR 95-100
- Land as soon as practical
EP: Engine Overspeed
Indication:
- Increase in NR
- Increase in NP
- Increase in NG
- Increase in torque
Recovery:
- Retard throttle
- NG or NP (attempt to stabilize with throttle and collective)
- FADEC MODE switch to MAN
- NR maintain at 95-100% with throttle and collective
- if unable to maintain nr, np, ng, or mgt prepare for power off landing by lowering collective and shutting down engine
EP: Engine Compressor Stall/Surge
Indication:
- Engine pops
- High or erratic TOT
- Decreasing or erratic NG or NP
- Torque oscillations
Recovery:
- use collective and reduce power, maintain slow cruise flight
- MGT and NG check for normal indications
- ENGINE ANTIICING switch ON
- PARTICLE SEP PRG switch ON
- HEATER switch ON
- Decide if its bad enough you need to shutdown engine
- Continued flight
- Increase collective slowly to achieved desired power
- MGT and NG montior for normal response
- Land as soon as practical
- Decide to shutdown
- Enter autorotation
- Close throttle
- FUEL VALVE switch OFF
- Accomplish AUTOROTATIVE DESCENT PROCEDURE
EP: Engine Hot Start/Shutdown
Indication:
- Excessive MGT
- Visible smoke or fire
Recovery:
- Close throttle
- FUEL VALVE switch OFF
- STARTER button press to motor engine until MGT stabilizes at normal temp
- Complete helicopter shutdown
EP: Engine Oil Pressure Low, High, Or Fluctuating
Indication:
- Engine oil pressure below minimum
- Engine oil pressure above max or flucuating abnormally
Recovery:
- if eng oil pressure is below minimum montitor eng oil pressure and temp. Land as soon as possible
- if eng oil pressure is above max or fluctuating monitor oil pressure and temp. Land as sson as practical
EP: Engine Oil Temp High
Indication:
- Engine oil temp increasing above normal
- Engine oil temp above max
Recovery:
-Land as soon as practical
EP: Driveshaft Failure
Indication:
- Left yaw
- Rapid decrease in NR
- Rapid increase in NP
- ROTOR LOW RPM audio horn and light
- Possible increase in noise level
Recovery:
- Accomplish AUTOROTATIVE DESCENT PROCEDURE
- To maintain tail rotor effectiveness do not shutdown engine
- Autorotative landing
- Complete helicopter shutdown
EP: Engine Fire On Ground
Indication:
- Smoke
- Fumes
- Fire
Recovery:
- Close throttle
- FUEL VALVE switch to OFF
- BAT / GEN switch OFF
- Engage rotorbrake
- Exit Helicopter
EP: Engine Fire During Flight
Indication:
- Smoke
- Fumes
- Fire
Recovery:
- Immediately enter autorotation
- Close throttle
- FUEL VALVE switch to OFF
- If time permits LH and RH boost/xfr CB pulled
- Accomplish AUTOROTATIVE DESCENT PROCEDURE
- BAT switch OFF
EP: Cabin Smoke Or Fumes
Indication:
- Smoke
- Fumes
Recovery:
- Inflight
- Start descent
- HEATER switch OFF
- All vents open
- Open side windows
- if time and altitude permits
- attempt to identify source
- if identified and smoke and fumes still persist land as soon as possible
- if identified and smoke and or fumes are cleared land as soon as practical
EP: Complete Loss Of Tail Rotor Thrust: Hovering
Indication:
- Uncontrollable yawing to right
- Nose down tucking
- Possible roll of fuselage
Recovery:
- Hovering
- Reduce throttle and perform hover auto
EP: Complete Loss Of Tail Rotor Thrust: In-Flight
Indication:
- Uncontrollable yawing to right
- Nose down tucking
- Possible roll of fuselage
Recovery:
- Inflight
- Reduce throttle to idle
- Immediately enter auto
- Maintain minimum airspeed of 55 KIAS
- When no suitable landing spot controlled flight at lower power setting can be done and sufficient airspeed
EP: Fixed Pitch Tail Rotor: Hovering
Indication:
- Lack of directional response
- Locked pedals
Recovery:
- Hovering
- dont close throttle unless severe right yaw occurs
- can land under power but more dangerous
- Before landing best to do hover auto
EP: Fixed Pitch Tailrotor: In-Flight Left Pedal Applied
Indication:
- Lack of directional response
- Locked pedals
Recovery:
- In high power condition helicopter will yaw to left when power is reduced.
- Adjust power and airspeed as needed
- Establish power on approach at low airspeed(zero if needed)
- raise collective to cushion landing minimizing yaw
EP: Fixed Pitch Tailrotor: In-Flight Right Pedal Applied
Indication:
- Lack of directional response
- Locked pedals
Recovery:
- In cruise or reduced power situation helicopter will yaw to right when power is increased.
- At low power run on landing is necessary by gradually reducing throttle to maintain heading while adding collective to cushion landing
- If right yaw is excessive close throttle completely
EP: Hydraulics: Loss Of Hydraulic Pressure
Indication:
- Grinding or howling noise from pump
- Increase in force requ. to move controls
- Feedback forces may be evident during control movement
- Cyclic and collective movements are rate limited
Recovery:
- Reduce speed to 70-100 kias
- HYDR SYSTEM cb out (if hyd power is not restored push cb in)
- HYDRAULIC SYSTEM switch ON (OFF if hyd power is not restored)
- Extended flight up to 120 kias
- Land as soon as practical
- Run on landing at approximately 15 GIAS recommended
EP: Hydraulics: Flight Control Actuator Malfunction
Indication:
- Uncommanded flight control movements
- High flight control forces to oppose movement in one axis
- Feedback forces only in affected flight control axis
- Flight control forces normal in unaffected axis
Procedure:
- Maintain attitude
- HYDRAULIC SYSTEM switch OFF
- Airspeed 70-100 kias
- Land as soon as practical
- Run on landing at approximately 15 gias
EP: Generator Failure
Indication:
- GEN FAIL light
- DC loadmeter indicates 0% load
- Voltmeter approximately 24v
Recovery:
- GEN FIELD and GEN RESET cb check in
- GEN switch RESET then to GEN
- If power not restored place GEN switch to OFF
- Land as soon as practical
*full batts about 21 minutes power for basic heli and one vhf com radio operation
EP: Excessive Electrical Load
Indication:
- DC Loadmeter indicates excessive load
- Smoke or fumes
Recovery:
- GEN switch OFF
- BATT switch OFF
- LEFT FUEL BOOST/XFR LEFT cb check in
- Prior to batt depletion get below 8000’
- gen off and batt 80% charged will operate left boost/xfr approximately 1.7 hrs
- 60 kias or less
- Land as soon as practical
EP: Dual Fuel Transfer Failure
Indication:
- L/FUEL. XFR AND R/FUEL XFR lights
- Last 151 lbs in forward cell unusable
- Fuel stops transferring from fwd cell to aft cell at approximately 344.1 lbs total indicated
Recovery: -L and R FUEL BOOST/XFR cb’s ON -Determine FUEL QTY in forward cells Subtract qty of fuel trapped in fwd tanks to determine useable fuel -Plan landing accordingly
BATT HOT warning light
Indication:
-Battery overheating
Recovery:
- Turn BATT switch OFF and land as soon as practical
- If BATT RLY caution light comes on land as soon as possible
LITTER DOOR OPEN warning light
Indication:
-litter door not secure
Recovery:
- Close door securely before flight
- If inflight
- Land as soon as practical
ENG OUT warning light
Indication:
- NG less than 55 +/- 1% RPM
- FADEC senses engine out
Recovery:
- Verify engine condition
- Accomplish engine failure procedure
ROTOR LOW RPM caution light
Indication:
-ROTOR below 95%
Recovery:
- Reduce collective and ensure throttle full open
- When above 95% light and audio should cease and light will be on above 107%
TRANS OIL PRESS caution light
Indication:
-XMSN OIL press is below minimum
Recovery:
- Reduce power
- Verify fault with gauge
- Land as soon as possible
TRANS OIL TEMP caution light
Indication:
-XMSN OIL temp is at or above red line
Recovery:
- Reduce power
- Verify fault on gauge
- Land as soon as possible
BATTERY RLY caution light
Indication:
-BATT RLY malfunctioned but will not drop offline
Recovery:
- If BATT HOT light comes on
- Turn off GEN
- Land as soon as possible
FUEL LOW caution light
Indication:
-Approximately 100 -/+ lbs fuel remain
Recovery:
- Verify FUEL QTY
- Land as soon as practical
ENG CHIP caution light
Indication:
-Ferrous particles in engine oil
Recovery:
-Land as soon as possible
TRANS CHIP caution light
Indication:
-Ferrous particles in transmission oil
Recovery:
-Land as soon as possible
FUEL FILTER caution light
Indication:
-Airframe fuel filter in impending bypass
Recovery:
- Land as soon as practical
- clean before next flight
T/R CHIP caution light
Indication:
-Ferrous particles in trgb oil
Recovery:
-Land as soon as possible
GEN FAIL caution light
Indication:
-Generator not connected to DC Buss
Recovery:
- Verify fault with loadmeter
- GEN switch RESET then GEN to ON
- If GEN FAIL light remains GEN switch OFF
- Land as soon as practical
R/FUEL BOOST caution light
Indication:
-Right pump of dual boost pump assy failed
Recovery:
- Descend below 6000 feet pressure altitude if flight permits
- Land as soon as prctical
L/FUEL BOOST caution light
Indication:
-Left pump of dual boost pump assy failed
Recovery:
- Descend below 6000 feet pressure altitude if flight permits
- Land as soon as practical
FADEC FAILURE
Indications:
- FADEC fail audio/light
- FADEC MANUAL caution light
- FADEC MODE switch MAN light
Recovery:
- Throttle if time permits match to NG
- NR/NP maintain 95-100%
- FADEC MODE switch mute audio by pressing. Autorelight light comes on
- Land as soon as practical
- Normal shitdown if possible
407 EP: ELECTRICAL FIRE
Indications:
- Smoke fumes or fire
- Possible abnormal amps indication
Recovery:
- Vents/Windows open
- Begin descent
- Land as soon as possible
*If source identified remove power to equipment
- if source not identified
- GEN switch OFF
- Land as soon as practical
- If fumes/smoke continues
- 60 KIAS or less
- BATT switch OFF
- Fuel BOOST/XFR LEFT breaker on
- If not fixed Land as soon as possible
- Before batt depletion get below 8000’ and could lose as much as 151 lbs of fuel
- Batt at 80% should have left boost/xfr run for 1.7 hrs
- Pedal stop disengages when batt power is lost
EP: CYCLIC CAM JAM
Indication:
- Approximately 15 lbs of pressure forces
- Only cyclic fwd and aft movement restricted
Recovery:
- Maintain normal pitch attitude
- do not turn of hydraulics
- Land as soon as practical
EP: ENGINE OVERSPEED LIGHT
Indication:
-NG greater than 110% or (torque 100%-NP 102.1 to 0% torque-108.6 NP)
Recovery:
- Adjust theottle and collective as necessary
- If engine isnt controllable shut it down
- MX require before next flight
EP: AUTO RELIGHT
Indication:
-Light engine igniter running
Recovery:
-automatic when in manual and NG above 55%
EP: CHECK INST LIGHT
Indication:
- TRQ, MGT, NG. is about to or has detected an exceedence . Will blink before it happens
- Letter e if it has exceeded
Recovery:
-Reduce engine power
EP: CYCLIC CENTERING LIGHT
Indication:
- light
- Not centered
Recovery:
-Adjust to center
EP: ENGINE ANTI-ICE LIGHT
Indication:
-System on
EP: FADEC DEGRADE IN FLIGHT LIGHT
Indication:
-Max result in NR droop lag or reduced power
Recovery:
- Remain in auto mode
- Fly non aggressive
- Land as soon as practical
EP: FADEC DEGRADED SHUTTING SOWN LIGHT
Indication:
-Has a fault from current or previous flight
Recovery:
- put throttle in idle(if it goes it it was previous flight.)
- MX required
EP: FADEC FAULT LIGHT
Indication:
-PMA, MGT, NP OR NG not functioning
Recovery:
- Remain in auto mode
- Land as soon as practical
- MX required
EP: FADEC MANUAL LIGHT
Indication:
-in manual mode
Recovery:
- fly smooth
- control throttle
- land as soon as prctical
EP: FLOAT ARM LIGHT
Indication:
-is on and armed
Recovery:
- if comes on without switch on pull FLOATS cb
- Land as soon as practical
EP: FLOAT TEST LIGHT
Indication:
-in test mode
Recovery:
-none
EP: FUEL VALVE LIGHT
Indication:
-light
Recovery:
- check cb to be in
- land as soon as practical
- if on ground cycle switch
EP: L/FUEL XFR LIGHT
Indication:
-failed
Recovery:
-Land as soon as practical
EP: R/FUEL XFR LIGHT
Indication:
-Has failed
Recovery:
-Land as soon as practical
EP: HEATER OVERTEMP LIGHT
Indication:
-overtemp detected
Recovery:
-turn HEATER OFF immediately
EP: HYDRAULIC SYSTEM LIGHT
Indication:
-pressure below limit
Recovery:
- verify hyd switch position
- do hyd procedure
EP: PEDAL STOP LIGHT
Indication:
-PRCU detected failure in part of the system
Recovery:
- VNE 60 kias
- Pull pedal stop emergency release
- Land as soon as practical
EP: RESTART FAULT LIGHT
Indication:
-Detected fault which wont allow engine to be restart in auto mode
Recovery:
- remain in auto mode
- plan landing accordingly
EP: START LIGHT
Indication:
-Start relay in start mode
Recovery:
- if start switch hasnt been engaged and theres zero indication on amps its relay is malfunctioning and on batt power
- Pull cb START out
- Land as soon as practical
