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If any abnormal start indication occurs prior to moving the associated throttle out of CUTOFF into IDLE, immediately abort the start by pressing:
2-15
the PUSH to DISENG button
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If any abnormal start indication occurs after placing the throttle to IDLE, immediately abort the start by:
2-15
- Placing the throttle to CUTOFF
- Placing the ignition switch to OFF
- Allow start to continue to turn engine for 15 secs to purge fuel
- Then press the start disengage button
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1. If automatic starter dropout has not occured by 45% N2, press .......
2. If yellow start and white disengage button do not extinguish:.....
i. the starter disengage button
- ii. throttles- cutoff
- battery- off
- master generator switches - EMER
- (to avoid overspeeding starter and possible starter/genertor fire)
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Hot Start
Indications
Engine lights, but ITT exceeds starting Ops Limit (~550 C)
- -ITT rapidly approaching limits or
- -Fuel Flow high
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Hot Start
Possible Causes
- Incorrect starting procedure
- Bleed Air left on
- Early starter dropout
- No N1% RPM during start (ice in inlet)
- Leaking pneumatic line
- Faulty or misadjusted HMU linkage
- Faulty igniter or power supply
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Hung Start
Indications
Lights normally, but fails to accelerate to idle RPM
(may result in Hot Start if not corrected)
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Hung Start
Possible Causes
- Incorrect starting procedure
- EFC not out of reversion
- Bleed air left on
- Faulty HMU
- Misadjusted HMU linkage/ regulating valve stuck
- Flow divider valve malfunction or leak
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Emergency Ground Egress
PF/PNF actions
- PF: Cuts Throttles
- Pilot: Advise passengers, Set Parking Brake, Battery-OFF
- PNF: Calls Ground: problem, tail #, location
- Co-Pilot: Push O2 system ready knob in, Standby battery-OFF
Jump: Move seat out of the way, open door, chock wheels
~Meet at rally point to take accountability
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Factors affecting Takeoff Decision:
-If the acceleration check fails, the takeoff should be aborted
-If any system emergency affecting the safety of flight is experienced prior to S1 speed, the takeoff should be aborted
-If an emergency is experienced at or after S1, the takeoff should be continued
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