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钻石42飞机飞行手册 DA 42 Airplane Flight Manual(68)

时间:2011-10-28 13:17来源:蓝天飞行翻译 作者:admin
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-RPM too low. Continue with 4B.3.7 - VOLTAGE.
CAUTION
If both Low Voltage indications are ON, expect failure of both Alternators and follow 4B.4.6 - L/R ALTN FAIL.
END OF CHECKLIST
Doc. No. 7.01.05-E  Rev. 5  15-Nov-2007  Page 4B - 15 


4B.4.6 L/R ALTN FAIL


(a) One alternator failed
1.
ALTERNATOR .......................  OFF/affected side


2.
Bus voltage ..........................  monitor


3.
Electrical consumers...................  reduce as practicable

 

END OF CHECKLIST
(b) Both alternators failed
WARNING
If both alternators fail at the same time, reduce all electrical equipment to a minimum. Expect battery power to last 30 minutes and land the airplane as soon as possible. Expect engine stoppage after this period of time.
1.
Avionics Master.......................  OFF


2.
LH/RH Alternator......................  OFF


3.
XPDR ..............................  STBY


4.  
LANDING GEAR...................... down, when down and locked pull Emergency Release

5.
Stall/Pitot heat........................  OFF


6.
All lights.............................  OFF

 

END OF CHECKLIST
Page 4B - 16  Rev. 5  15-Nov-2007  Doc. No. 7.01.05-E 


4B.4.7 L/R COOL LVL


A low coolant caution alert may indicate a loss of coolant. This will subsequently lead to decreased engine cooling capability/loss of engine power due to engine failure.
1. Annunciations/Engine instruments ........ monitor

See 4B.3.2 COOLANT TEMPERATURE.
NOTE
The indication is calibrated for straight and level flight. The caution message may be triggered during turns which are flown with slip, or while taxiing in curves.
END OF CHECKLIST
Doc. No. 7.01.05-E  Rev. 5  15-Nov-2007  Page 4B - 17 


4B.4.8 PITOT FAIL / HT OFF

PITOT FAIL  Pitot heating system has failed. 
PITOT HT OFF  Pitot heating system is OFF. 

1. PITOT HEAT......................... check ON/as required

NOTE
The Pitot heating caution message is displayed when the Pitot heating is switched OFF, or when there is a failure of the Pitot heating system. Prolonged operation of the Pitot heating on the ground can also cause the Pitot heating caution message to be displayed. In this case it indicates the activation of the thermal switch, which prevents overheating of the Pitot heating system on the ground. This is a normal function of the system. After a cooling period, the heating system will be switched on again automatically.
if in icing conditions:
2.
Expect loss of static instruments.

3.
Open Alternate Static.
 
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