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A. In Flight:
(1) If flaps are at 39° (DOWN), the flight crew must manually maintain
minimum engine RPM to 67% HP RPM on approach.
05-08-30: Engine Vibration
IF EVM EXCEEDS 0.60 LP AND/OR 0.60 HP:
OPERATING MANUAL
EXPANDED ABNORMAL / EMERGENCY PROCEDURES 05-08-00
Page 1
January 31/02
Revision 6
1. Power Lever (Affected Engine) ................RETARD UNTIL EVM RETURNS TO
NORMAL LEVEL
CAUTION
EVM INDICATIONS ALONE SHOULD NOT BE USED
AS A CRITERIAFOR ENGINE SHUTDOWN. IN ICING
CONDITIONS, VIBRATIONS MAY EXCEED THE
ALERT LEVEL WITHOUT OTHER ABNORMAL
INDICATIONS AND ARE CONSIDERED NORMAL.
IF VIBRATION IS ACCOMPANIED BY OTHER FAILURE
INDICATION:
2. Affected Engine ...............................................................................SHUT DOWN
If in flight, see Section 05-10-10, Engine Failure / Shutdown In Flight.
If on ground, see Section 03-06-20, Shutdown.
05-08-40: Ice Shedding Procedures
1. In Flight:
To assist in shedding ice, if high vibration occurs and operational circumstances
permit, one engine at a time may be retarded to idle, held there for five (5)
seconds and then accelerated 85% LP RPM. The power lever may then be
returned to its original position.
2. On Ground:
When taxiing or holding on the ground at low power in temperatures less than
1°C, engine operation at 85% LP for one (1) minute is recommended just prior to
takeoff and at intervals of not more than sixty (60) minutes under these
temperature and moisture conditions. This is dependent on taxiway and runway
conditions and the proximity of other airplanes.
OPERATING MANUAL
05-08-00 EXPANDED ABNORMAL / EMERGENCY PROCEDURES
Page 2
January 31/02
Revision 6
ENGINE FAILURE
05-09-10: Engine Failure
1. Engine Failure Procedure:
The general procedure to follow for an engine failure is to:
• Shut down the failed engine. (See Section 05-10-10, Engine Failure /
Shutdown In Flight or Section 03-06-20, Shutdown.)
• Adjust power on the operating engine as necessary. (See Section 01-71-
10, Engine Operating Limitations.)
• Retrim airplane for continued flight.
2. Engine Shutdown Criteria:
Shut engine down when the following occurs:
• Engine Fire
• Extreme engine vibration is felt in the airframe. (See NOTE at end of this
topic.)
• Excessive or uncontrollable power loss.
• Sudden rise or drop in oil pressure beyond limits. (See Section 01-79-20,
Oil Pressure.)
• Sustained high oil temperature above limits. (See Section 01-79-10, Oil
Inlet Temperature.)
• Sudden uncontrollable rise in TGT beyond limits. (See Section 01-71-10,
Engine Operating Limitations.)
• Any other condition indicating that engine shutdown is advisable.
NOTE:
EVM indications alone should not be used as a criteria
for engine shutdown. If EVM exceeds 0.60 LP and/or
0.60 HP, retard power lever to achieve vibration below
this value. If vibration is accompanied by other failure
indication, shut down engine. In icing conditions,
vibrations may exceed the ALERT level without other
abnormal indications. These vibrations are considered
normal.
05-09-20: Engine Failure During Takeoff Below V1 Speed
1. Power Levers .................................................................................................IDLE
NOTE:
Autothrottle will disconnect.
2. Maximum Anti-Skid Braking........................................................AS REQUIRED
OPERATING MANUAL
EXPANDED ABNORMAL / EMERGENCY PROCEDURES 05-09-00
Page 1
October 11/02
Revision 8
3. Speed Brakes.................................................................DEPLOY IMMEDIATELY
NOTE:
Ground spoilers should deploy automatically when the
power levers are closed during an aborted takeoff.
Speed brake deployment is a required backup
procedure.
4. Thrust Reversers ..........................................................................AS REQUIRED
WHEN CLEAR OF RUNWAY:
5. AFTER LANDING Checklist ..............................................................COMPLETE
See Section 03-06-10, After Landing.
05-09-30: Engine Failure During Takeoff Above V1 Speed
1. Directional Control............................................................USE AS NECESSARY
Yaw toward dead engine can be expected.
NOTE:
Autothrottle will disconnect.
2. Takeoff........................ROTATE AT VR, ACCELERATE TO V2 AFTER LIFT-OFF
NOTE:
Additional rudder input will be required when nose
wheels lift off.
3. Landing Gear ..........UP WHEN POSITIVE RATE OF CLIMB IS ESTABLISHED
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湾流4操作手册 Gulfstream IV Operating Manual 3(93)
