Sling 4 TSi Section 3
Pilot Operating Handbook
Emergency Procedures
Document Number: DC-POH-001-X-F-3.0 Page | 3-18
Revision: 3.0 Date: 2021/07/14
3.7.4.3 Alternator A and B Dual Failure –
This will result in engine stoppage when the main battery goes flat,
since no power is available to the ECU and subsequently the fuel
pumps. It must be powered by the main battery in order for the engine
to run.
1. ECU Backup ........................... ON
2. EFIS Backup ........................... ON
3. Main Battery ......................... VERIFY VOLTAGE
(d)
4. Non-essential Equipment...... OFF
Lights, autopilot, secondary EFIS, etc.
5. Radio Communication .......... MINIMAL
6. Precautionary ....................... EXECUTE AS SOON AS POSSIBLE
d. Expect systems failure when battery voltage drops below 10
Volt. This includes the ECU and fuel pumps, which will result in
The engine can run from the main battery for approximately 30
minutes, following a dual alternator A and B failure; from a full charge
with all ancillary equipment turned off. The engine will fail due to fuel
starvation, as the fuel pumps will stop when the voltage is too low.
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