DA 42 NG AFM
Emergency
Procedures
3.7.3 ENGINE SECURING (FEATHERING) PROCEDURE
Shut down and feathering of the affected engine:
1. Affected engine . . . . . . . . . . . . . . . . . . . . . . . identify & verify
2. ENGINE MASTER affected engine . . . . . . . . OFF
CAUTION
Do not shut down an engine with the FUEL SELECTOR valve.
Otherwise the high pressure fuel pump can be damaged.
Securing the feathered engine: |
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3. |
Alternator affected engine . . . . . . . . . . . . . . . |
OFF |
4. |
Fuel pump . . . . . . . . . . . . . . . . . . . . . . . . . . . |
check OFF |
5. |
FUEL SELECTOR affected engine . . . . . . . . |
OFF |
NOTE
The remaining fuel in the tank of the secured engine can be used for the remaining engine to extend range and maintain lateral balance by setting its FUEL SELECTOR in the CROSSFEED position.
If one of the POWER levers is set to low settings the landing gear warning horn is activated. Set the POWER lever of the secured engine forward as required to mute the warning horn.
END OF CHECKLIST
Doc. No. 7.01.15-E |
Rev. 1 |
18-Feb-2009 |
Page 3 - 27 |
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Emergency
DA 42 NG AFM
Procedures
3.7.4 UNFEATHERING & RESTARTING THE ENGINE IN FLIGHT
If the reason for the shutdown has been ascertained and there is no indication of malfunction or engine fire a restart may be attempted.
Restarting the Engine with the Starter |
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Maximum restart altitude: |
18,000 ft |
pressure altitude |
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for immediate restart. |
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10,000 ft |
pressure altitude |
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for restarts within two minutes. |
CAUTION
Do not attempt an in-flight engine restart if the engine has been shutdown for more than two minutes.
NOTE
If the engine is allowed to cool down for more than two minutes a successful restart may not be possible.
Maximum restart airspeed: |
max. 100 KIAS or airspeed for a stationary |
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propeller, whichever is lower. |
CAUTION
Do not engage the starter when the propeller is windmilling.
CONTINUED
Page 3 - 28 |
Rev. 1 |
18-Feb-2009 |
Doc. No. 7.01.15-E |
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DA 42 NG AFM
Emergency
Procedures
NOTE
At airspeeds below 100 KIAS it is possible that the propeller may windmill intermittently. Therefore, care should be taken to ensure that the propeller is stationary when engaging the starter.
1. |
POWER lever of affected engine . . . . . . . . . |
IDLE |
2. |
FUEL SELECTOR of affected engine . . . . . . |
check ON |
3. |
Alternate air . . . . . . . . . . . . . . . . . . . . . . . . . |
as required |
4. |
ALTERNATOR of affected engine . . . . . . . . |
ON |
5. |
ENGINE MASTER of affected engine . . . . . . |
ON, propeller un-feathers |
6. |
STARTER of affected engine . . . . . . . . . . . . |
engage when propeller is |
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stationary |
CAUTION
After the engine has started, the POWER lever should be set to a moderate power setting until engine temperatures have reached the green range.
END OF CHECKLIST
Doc. No. 7.01.15-E |
Rev. 1 |
18-Feb-2009 |
Page 3 - 29 |
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Emergency
DA 42 NG AFM
Procedures
Restarting the Engine by Windmilling
If the reason for the shutdown has been ascertained and there is no indication of malfunction or engine fire a restart may be attempted.
Maximum restart altitude: |
18,000 ft |
pressure altitude |
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for immediate restart. |
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10,000 ft |
pressure altitude |
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for restarts within two minutes. |
CAUTION
Do not attempt an in-flight engine restart if the engine has been shutdown for more than two minutes.
NOTE
If the engine is allowed to cool down for more than two minutes a successful restart may not be possible.
Minimum restart airspeed: |
125 KIAS |
Maximum restart airspeed: |
145 KIAS |
CAUTION
1.Do not engage the starter when the propeller is windmilling.
2.Do not attempt restart below 125 KIAS.
3.Do not attempt restart above 145 KIAS.
CONTINUED
Page 3 - 30 |
Rev. 1 |
18-Feb-2009 |
Doc. No. 7.01.15-E |
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DA 42 NG AFM
Emergency
Procedures
NOTE
Below 125 KIAS it is possible that the propeller may not windmill continuously. Continuous windmilling is required for a successful restart. Above 145 KIAS a restart can overspeed the propeller.
1.POWER lever of affected engine . . . . . . . . . IDLE
2.FUEL SELECTOR of affected engine . . . . . . check ON
3.Alternate air . . . . . . . . . . . . . . . . . . . . . . . . . as required
4.ALTERNATOR of affected engine . . . . . . . . ON
5.ENGINE MASTER of affected engine . . . . . . ON, propeller un-feathers and
restarts by windmilling
CAUTION
After the engine has started, the POWER lever should be set to a moderate power setting until engine temperatures have reached the green range.
END OF CHECKLIST
Doc. No. 7.01.15-E |
Rev. 1 |
18-Feb-2009 |
Page 3 - 31 |
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