Emergency Procedures Flashcards by Nik S

What is VMCA?

Minimum airborne speed with directional control with one engine inoperative

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What is Vsse

Safe single engine speed

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What is DA42 Vne?

194 kias

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What is the engine restart airspeed envelope?

80-120 kias

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Define the Master Warning:

L/R STARTER

Left or Right Starter Motor is Still Engaged

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T/F stalling with one engine inoperative is permitted?

False

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List required lights needed to be operational for legal night flight?

Position 
Strobe
Landing
Dome
Instrument
Flashlight

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List the steps for engine trouble shooting

Power lever to idle
In icing turn Alternate air on
Fuel quantity- check
Fuel selector - check on & crossfeed
ECU Swap
Circuit breakers - check/reset

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What is go around speed?

Minimum of 82 ksts

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Describe why the Variable Elevator Backstop needs to be functional for flight?

Pushes nose-down during power-on stalls as handling qualities degrade.

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It is recommended that which engine be started first?

Left hand engine

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List the start motor limitations:

Do not operate starter longer than 10 seconds
Cooling period of 20 seconds between attempts
No more than 6 starter attempts until 30 minute cool down period

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What annunciator will you receive if you turn the PITOT/STALL HEAT on while on the ground and why?

FAIL caution because on ground and with no air cooling they will over heat.

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T/F it is permissible to cross feed both engines simultaneously?

True

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While operating at airports with a high OAT or high field elevation, it is possible to see load indications below what %?

90%

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Why let the engines idle for 2 minutes prior to shut down?

To avoid heat damage to the turbo chargers

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In event an ECU fails, the system will do what?

Automatically switch to ECU B

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How can you reset the ECU A/B Master Caution?

Press ECU Test for 2 seconds

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T/F it is possible to receive a L/R FUEL LOW master caution while turning on the ground while taxing?

True

What is the severity associated with a dual alternator failure that isn’t normally associated with non-FADEC equipped aircraft?

Engine failure when battery is completely drained.

What keeps the gear in the retracted position?

Hydraulic pressure

What assists the hydraulic system in keeping the landing gear in the down-and-locked position?

Springs maintain force on the down-lock hooks

What causes each of the three green gear indicator lights to illuminate?

When the gear is in the correct position and locked

What conditions will cause the red gear unsafe light to illuminate?

If the gear is neither in the full up nor full down position

What conditions will cause the gear unsafe warning horn to sound?

If at least one power lever is positioned below 20% power but the gear is retracted or if flaps are moved into the LDG position with the gear retracted

T/F-the nose gear will continue to turn with the rudder pedal inputs while it is in the up-and-locked position?

False

Via the ECU, an increase in oil pressure to the propeller hub causes a what RPM and a what in propeller pitch?

Higher RPM | Decrease in pitch

What happens after the Left Engine Master is selected to OFF during flight?

The electric governor valve opens and oil is pushed out of the propeller hub by a spring allowing the prop blades to feather

Is it possible to feather the propeller If RPM is below 1300?

What controls the ECU and what does the ECU Control?

``` Pilot controls the ECU ECU controls -manifold pressure -propeller speed -injected fuel quantity ```

What are the propellers made of and what special considerations do they require?

Wood so power changes should be made slowly to avoid over-speeding and potentially damaging the propellers

How are ECUs switched from A to B?

If ECU A fails it will automatically switch to B but the pilot can also switch it manually

Where should each power lever be set for the ECU test?

Idle / below 900 RPM

How do you reset an ECU caution message?

Yes by holding the ECU test button for more than 2 seconds. This is limited to 1 attempt

What does the engine default page on the MFD show?

``` Engine % power Engine RPM Fuel flow Oil pressure Oil temperature Coolant temperature Fuel temperature Fuel Quantity ```

With the Left engine shutdown, how do you get fuel to the Right engine?

Select Crossfeed on the Right Engine

What happens if you try to transfer fuel from the auxiliary fuel tanks to full main tanks?

The transfer pumps will automatically shut off

Can the pilot directly transfer fuel from the auxiliary tanks to the opposite main tanks?

How are the alternators connected to the electrical system?

Each alternator is connected to its own Buss (LH, RH respectively) via a 70 amp circuit breaker

In the event of a main battery failure how are the alternators powered?

Each is energized via its own 12v, 1.3 amp sealed led acid battery

How does load balancing happen between alternators?

Via internal alternator temperature

How is main battery powered stored and connected?

Power is stored via a 24v, 10 amp lead acid battery connected to the hot-battery bus and to the main-battery bus via the battery relay

What gets emergency backup electricity and how?

The Attitude Gyro and Dome light get 1.5 hours of emergency backup power via a non-rechargeable dry battery

What additional redundancy is provided in the event of a main battery malfunction?

Each ECU bus has its own lead acid battery that provides 30 minutes of backup power in the event of a complete electrical failure

What factors determine which engine is the “critical engine”

P: p-factor. On clockwise engines p-factor shifts stronger thrust to outboard of the right prop levering to L A: accelerated air from prop over right wing generates extra lift in right side S: spiral airflow drifts aft under fuselage and hits left side of rudder T: torque from clockwise prop engine L

What airplane settings affect the Vmc speed?

``` Critical engine off Critical engine windmilling Good engine full throttle Cowl flaps open Flaps at T/O, gear up 5 degree bank @ Sea Level Weight max full Weight full aft Out of Ground Effect ```