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11. ISOLATION Valve .........................................................................................OPEN
12. UTILITY PUMP (If Left Engine Failed) ............................................................ON
13. AUX PUMP (If Left Engine Failed) ...............................................................ARM
14. Fuel Balance.................MONITOR / MAINTAIN FOR REMAINDER OF FLIGHT
05-10-20: Airstart - Immediate
If one or both engines flame out in flight and mechanical failure is not suspected,
immediate relight may be attempted at any altitude and airspeed. As RPM is
decreasing, perform the following procedure immediately:
1. Power Lever ...................................................................................................IDLE
OPERATING MANUAL
EXPANDED ABNORMAL / EMERGENCY PROCEDURES 05-10-00
Page 1
September 13/00
Revision 1
2. AIR START Ignition ..........................................................................................ON
NOTE:
Successful relight is indicated by RPM stabilizing at
idle. Allow engine(s) to stabilize prior to advancing
power lever(s). Verify that engine(s) respond normally
and monitor TGT prior to advancing power lever.
AFTER RELIGHT:
3. AIR START Ignition ........................................................................................OFF
IF ENGINE FAILS TO RELIGHT WITHIN TWENTY (20) SECONDS:
4. HP Fuel Cock .............................................................................................CLOSE
5. One (1) Minute Time Period...............................................ALLOW TO ELAPSE
6. AIRSTART - NORMAL Procedure.......................................................PERFORM
See Section 05-10-30, Airstart - Normal.
05-10-30: Airstart - Normal
1. Airspeed.......................................................................................200 - 324 KCAS
2. Altitude..............................................................................25,000 FT OR BELOW
3. HP Fuel Cock................................................................................................SHUT
4. BLEED AIR (Affected Engine) / ISOLATION Valve.........................OFF / OPEN
5. FIRE Handle ........................................................................................................IN
6. Power Lever ...................................................................................................IDLE
7. Fuel Boost Pumps....................................................................................ALL ON
8. COWL ANTI ICE / WING ANTI ICE (Affected Side)......................................OFF
9. AIR START Ignition / IGN Message .....................ON / MESSAGE DISPLAYED
10. Engine RPM (HP / LP).......................................................................INDICATING
11. HP Fuel Cock / Fuel Flow ................................OPEN / FUEL FLOW PRESENT
CAUTION
DO NOT ATTEMPT TO METER HIGH PRESSURE
FUEL COCK LEVERAT INTERMEDIATE POSITIONS.
12. RPM / TGT .............................................................................................MONITOR
13. Oil Temperature / Pressure......................................................................CHECK
14. Hydraulic Pressure ...................................................................................CHECK
15. AIR START Ignition..............................................................OFF (AT IDLE RPM)
16. ELECTRIC MASTER Power .............................................................ON / CHECK
17. ISOLATION Valve ....................................................................................CLOSED
18. BLEED AIR ........................................................................................................ON
OPERATING MANUAL
05-10-00 EXPANDED ABNORMAL / EMERGENCY PROCEDURES
Page 2
September 13/00
Revision 1
19. COWL ANTI ICE / WING ANTI ICE (Affected Side)....................AS REQUIRED
NOTE:
At high true airspeeds, it may be necessary to
advance power lever slightly to assist engine RPM
acceleration. Upon advancing the power lever, HP
RPM should steadily increase toward idle. Monitor
TGT.
NOTE:
The engine should normally relight within ten (10)
seconds and reach idle RPM in approximately fortyfive
(45) seconds. When the engine runs satisfactorily,
select AIR START Ignition OFF (IGN message not
displayed). Advance power slowly to desired RPM.
IF ENGINE FAILS TO RELIGHT AFTER AIR START IGNITION HAS BEEN
ENERGIZED FOR THIRTY (30) SECONDS, OR IF IT APPEARS UNLIKELY THAT
THE ENGINE WILL ACCELERATE TO IDLE, PROCEED AS FOLLOWS:
20. HP Fuel Cock................................................................................................SHUT
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湾流4操作手册 Gulfstream IV Operating Manual 3(96)
