Electrical Emergencies

Question 1

ELECTRICAL FAILURE - ONE AMMETER OA

Answer 1

1. ALTERNATOR SWITCH…..OFF
2. CIRCUIT BREAKERS………CHECK
3. ALT SWITCH……………………ON

IF POWER NOT RESTORED

4. ALTERNATOR SWITCH…..OFF
5. ELECTRICAL LOAD…………<60A

Question 2

ELECTRICAL FAILURE - TWO AMMETERS OA

Answer 2

1. ALTERNATOR SWITCHES……OFF
2. ELECTRICAL LOAD……………..REDUCE
3. CIRCUIT BREAKERS……………CHECK
4. ALTERNATOR SWITCHES…..ON INDIVIDUALLY

IF POWER IS RESTORED ON ONE

5. OTHER SWITCH………………….OFF
6. ELECTRICAL LOAD………………<60A

IF POWER IS NOT RESTORED
7. BATTERY SWITCH………………OFF
ALTERNATOR SWITCHES……..ON INDIVIDUALLY

IF POWER RESTORED ON ONE OR BOTH
9. ELECTRICAL LOAD…<60A

IF POWER IS NOT RESTORED, PROCEED VFR TO NEAREST AERODROME. IF IN IMC, RATION REMAINING BATTERY POWER FOR AN APPROACH AND TO OBTAIN A CLEARANCE.

Question 3

ELECTRICAL OVERLOAD

Answer 3

1. ALTERNATOR SWITCHES…….OFF
2. BATTERY SWITCH………………..OFF

IF ALT LOADS ARE REDUCED
3. ELECTRICAL LOAD………………<60A

IF ALT LOADS ARE NOT REDUCED

4. ALTERNATOR SWITCHES…..OFF
5. BATTERY SWITCH……………….AS REQUIRED
6. ELECTRICAL LOAD……………..REDUCE