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Bell 206B3 > Emergency Procedures > Flashcards

Emergency Procedures Flashcards

1
Q

Engine fire during start up or shutdown

A

Starter- continue to motor the engine

Throttle- full close

Fuel valve switch- OFF

IGN ENG circuit breaker- out

Complete shut down

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2
Q

Engine fire during flight

A

Throttle- Closed

Immediately enter autorotation

Fuel valve switch - OFF

Batt switch - OFF

Accomplish autorotative descent and landing

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3
Q

Cabin vent

A

Vent - open

Cabin windows - open for maximum ventilation

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4
Q

Engine failure (Autorotation)

A

Collective pitch - adjust as required to maintain rotor rpm, 90-107%

Cyclic control- adjust to obtain desired autorotative airspeed for existing conditions

If altitude permits, attempt engine air start

At low altitude, close throttle and flare as required to lose excessive speed

Apply collective pitch as flare effect decreases to further reduce forward speed and cushion landing

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5
Q

Maximum autorotation speed

A

115 mph (100 knots)

Autorotation above this speed results in high rate of descent, and low rotor speeds. Blue radial is installed on the airspeed indicator as a reminder.

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6
Q

Engine air start

A

Collective pitch - adjust as required to maintain 90-107% rotor rpm

Reduce forward speed to desired autorotative airspeed 60-80 MPH (52-69 knots) IAS for existing conditions

Gen switch - OFF

Preform normal restart procedure

Caution

Do not attempt air start above 12,000 feet. TOT rises to fast to control

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7
Q

Fuel control and/or governor failure

A

Engine fuel and/or governor is evidenced by a change of power or rpm. There is no manual fuel control on the engine. CONTROL POWER WITH THROTTLE IF ENGINE OVERSPEEDS.

Maintain RPM with collective pitch if engine underspeeds.

Establish autorotative glide if power is very low or if engine must be shut down.

Prepare for power off landing

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8
Q

Driveshaft Failure Warning

A

Failure of main rotor driveshaft to transmission will result in complete loss of power to main rotor. Although cockpit indications for a driveshaft failure are similar to an engine overspeed, it is imperative that autorotative flight procedures be establish immediately. Failure to react immediately to rotor low rpm light and audio and dual tachometer can result in loss of control

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9
Q

Driveshaft Failure indication

A

Indication of a transmission to engine failure is left yaw, rapid decrease of rotor rpm with ROTOR LOW light, accompanied by an increase of power turbine RPM. Noise level may increase due to engine overspeeding and driveshaft breakage.

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10
Q

Driveshaft failure

A

Collective pitch- adjust to maintain rotor RPM 90-107%

Cyclic - maintain heading and altitude control, adjust to obtain 60-80 MPH (52-69 KIAS)

Throttle - open to provide power to tail rotor

Complete autorotation landing and helicopter shut down

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11
Q

Tail rotor control failure - complete loss of thrust

A

Reduce throttle to flight idle, immediately enter autorotation and maintain a minimum airspeed of 58 MPH (50 knots) IAS during the descent.

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12
Q

Tail Rotor Failure note

A

Airflow around the vertical fin may permit controlled flight at low power levels and sufficient airspeed when a suitable landing site is not available; however, the touch down shall be accomplished with the throttle in full closed position.

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13
Q

Tail Rotor Failure - Fixed Pitch Failure (Pitch change slider control failure, etc)

A

Depending on the pitch position of the tail rotor, at the time of the failure, engine power and airspeed shall be varied as follows:

Power - adjust as required to minimize excessive yaw

Airspeed - Adjust to determine best velocity to minimize yaw

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14
Q

Hydraulic System Failure

A

Reduce airspeed to 70 to 80 MPH (61 to 69 knots) IAS

HYD BOOST circuit breaker- out; if power is not restored - in

Control boost or hydraulic system switch- On; Off is power is not restored.

Land as soon as practical and investigate

A run on landing at 12-17 MPH (10-15 knots) is recommended. Maintain airspeed above translational lift speed for best control at touchdown.

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15
Q

Audio warning system - Engine out

A

When this system is activated an intermittent audio signal is produced and the ENG OUT light is illuminated. (N1 less than 55%)

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16
Q

Audio warning system - Rotor Low RPM

A

When this system is activated the ROTOR LOW RPM light is illuminated and a steady audio signal is produced. The low RPM warning system is activated when collective pitch is off the down stop and rotor RPM is less than 90%

17
Q

Rotor RPM Low caution light

A

Rotor rpm is below normal (approximately 90%). Reduce collective pitch and ensure throttle is full open.

(Amber)

18
Q

Trans oil pressure light

A

Main transmission pressure is below minimum, check gauge. Land as soon as possible.

(Amber)

19
Q

Trans oil temp light

A

Main transmission oil temperature is at or above redline and check gauge. Reducing power will help alleviate the condition. Check transmission oil pressure. Land as soon as possible.

(Amber)

20
Q

Battery temp light

A

Battery case temperature has reached 130F (54.5C) or higher. Turn battery switch off until battery cools (light extinguishes) then battery switch on.

(Amber)

21
Q

Battery light Note

A

Frequent and repetitive Battery Temp indications may be indicative of marginal battery condition. It is recommended that if this occurs the battery should be removed and inspected in accordance with manufacturer’s recommendations at the first convenient opportunity

22
Q

Engine chip light

A

Metallic particles in engine oil. Land as soon as possible.

(Amber)

23
Q

Transmission chip light

A

Metallic particles in transmission oil. Land as soon as possible.

(Amber)

24
Q

Tail rotor chip light

A

Metallic particles in tail rotor gearbox oil. Land as soon as possible.

(Amber)

25
Q

Generator fail light (if installed)

A

Generator has failed. Gen switch - Reset, then on. If Gen Fail light remains illuminated - Gen switch Off. Land as soon as practical.

(Amber)

26
Q

Baggage Door light (If installed)

A

Baggage compartment door open. Land as soon as practical.

(Amber)

27
Q

Fuel filter light (if installed)

A

Engine fuel filter is clogged. Land as soon as practical. Clean before next flight.

(Amber)

28
Q

AF Fuel Filter Light (If installed)

A

Airframe fuel filter clogged. Land as soon as practical. Clean before next flight

(Amber)

29
Q

Fuel pump light Warning

A

Operation with both fuel boost pumps inoperative is not authorized. Due to possible fuel sloshing in unusual attitudes or out of trim conditions and one or both boost pumps inoperative, the unusable fuel is 10 gallons.

30
Q

Fuel pump light

A

On or both fuel boost pumps is inoperative. Descend to below 6000’ pressure altitude if flight permits. Land as soon as practical.

(Amber)

31
Q

Fuel pump light note

A

The engine is designed to operate without boos pump pressure under 6000’ pressure altitude and one boost pump will supply sufficient fuel for normal engine operations under all conditions of power and altitude. Both pumps shall be on for all normal operations

32
Q

Low fuel light (if installed)

A

Approximately 20 gallons of fuel remaining. Land as soon as practical

33
Q

Electrical Power Failure

A

Gen Fail light (if installed) - illuminated

Gen switch - Reset then On. If power is not restored:

Gen switch - Off

All electrical equipment - Off to conserve battery

Required electrical equipment - On, only as needed

Land as soon as practical

34
Q

Electrical Power Failure warning

A

Reduce altitude below 6000’ pressure altitude if flight permits for possible failure of boost pumps

35
Q

Engine oil pressure low, high or fluctuating

A

If engine oil pressure is below minimum or above maximum, land as soon as possible.

If engine oil pressure fluctuates but does not exceed limit, monitor engine oil pressure and temperature. Land as soon as practical.

36
Q

High engine oil temperature

A

If engine oil exceeds limits, land as soon as practical.

37
Q

Fuel system failure

A

Fuel system failures are dived into two types consisting of helicopter fuel system failure and engine fuel system failure. With low fuel quantity (approximately 20 gallons) land as soon as practical.

Bell 206B3 (2 decks)

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