Bell 407 EP's Flashcards
1
Q
EP: Engine Failure: Hovering
A
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
2
Q
EP: Engine Failure: In-Flight
A
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
3
Q
Autorotation: Minimum rate of descent airspeed
A
55 KIAS
4
Q
Autorotation: Max glide distance airspeed
A
80 KIAS
5
Q
Autorotation: Max airspeed
A
100 KIAS (115 MPH)
6
Q
EP: Engine Restart In-Flight
A
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
7
Q
EP: Engine Underspeed
A
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
8
Q
EP: Engine Overspeed
A
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
9
Q
EP: Engine Compressor Stall/Surge
A
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
10
Q
EP: Engine Hot Start/Shutdown
A
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
11
Q
EP: Engine Oil Pressure Low, High, Or Fluctuating
A
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
12
Q
EP: Engine Oil Temp High
A
Indication:
- Engine oil temp increasing above normal
- Engine oil temp above max
Recovery:
-Land as soon as practical
13
Q
EP: Driveshaft Failure
A
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
14
Q
EP: Engine Fire On Ground
A
Indication:
- Smoke
- Fumes
- Fire
Recovery:
- Close throttle
- FUEL VALVE switch to OFF
- BAT / GEN switch OFF
- Engage rotorbrake
- Exit Helicopter
15
Q
EP: Engine Fire During Flight
A
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
16
Q
EP: Cabin Smoke Or Fumes
A
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
17
Q
EP: Complete Loss Of Tail Rotor Thrust: Hovering
A
Indication:
- Uncontrollable yawing to right
- Nose down tucking
- Possible roll of fuselage
Recovery:
- Hovering
- Reduce throttle and perform hover auto
18
Q
EP: Complete Loss Of Tail Rotor Thrust: In-Flight
A
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
19
Q
EP: Fixed Pitch Tail Rotor: Hovering
A
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
20
Q
EP: Fixed Pitch Tailrotor: In-Flight Left Pedal Applied
A
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
21
Q
EP: Fixed Pitch Tailrotor: In-Flight Right Pedal Applied
A
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
22
Q
EP: Hydraulics: Loss Of Hydraulic Pressure
A
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
23
Q
EP: Hydraulics: Flight Control Actuator Malfunction
A
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
24
Q
EP: Generator Failure
A
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
25
Q
EP: Excessive Electrical Load
A
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
