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be observed before the next full starter cycle is commenced.
NOTE: An inspection is required within ten (10) APU operating hours if the APU is operated
above 30,000 ft. for more than one (1) hour during a flight or if the APU is operated
above 30,000 ft. more than five times. Refer to the APU Maintenance Manual for
specific inspection requirements.
NOTE: Successful consecutive starts are limited to six (6) at ten (10) minute intervals per start.
NOTE: For APU Airstart Envelope see Section 3, figures 3-1 and 3-3.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 1
LIMITATIONS
1-50 FAA APPROVED
13 September 2000
1-49-30: APU Alternator Electrical Load:
The APU alternator can deliver 100% electrical power (30 kVA) on ground or in flight from sea
level to 22,000 ft. From 22,000 ft. to 30,000 ft. the limit load decreases linearly to 50% electrical
power (15 kVA). Load shedding may be required. See Section 3, APU ALTERNATOR
ELECTRICAL LOAD figure.
For airplanes SN 1156 and subs. and airplanes SN 1000 thru SN 1155 with APU Loadmeter
installed. Increased Altitude APU alternator can deliver 100% electrical power (30 kVA) on
ground or in-flight from sea level to 30,000 ft. From 30,000 ft. to 35,000 ft. the limit load
decreases to 67% electrical power (20 kVA). Load shedding may be required. See Section 3,
ELWS APU ALTERNATOR ELECTRICAL LOAD figure.
For airplanes SN 1156 and subs and airplanes SN 1000 thru 1155 with ASC 420 incorporated
(Removal of APU Loadmeter) and SN 1430 and sub. With the ram air scoop installed over the
APU inlet door, the APU alternator can deliver 100% electrical power (30 kVA) on ground or inflight
from sea level to 30,000 ft. From 30,000 ft. to 35,000 ft. the limit load decreases to 67%
electrical power (20 kVA). Load shedding may be required. See Section 3, ELWS/ASC 420
APU ALTERNATOR ELECTRICAL LOAD figure.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 1
LIMITATIONS
FAA APPROVED 1-51
30 May 2002
1-71-00: POWERPLANT
1-71-10: Engine Operating Limitations:
TAY Mk611-8
CONDITION
LP
% RPM
HP
% RPM
TGT
°C TIME LIMIT
MAXIMUM GROUND
STARTING TGT -- -- 700 MOMENTARY
MAXIMUM RELIGHTING
(AIRSTART) TGT -- -- 780 MOMENTARY
MAXIMUM TAKEOFF 95.5 99.7 716 - 800 5 MINUTES*
MAXIMUM GO-AROUND 95.5 99.7 716 - 800 5 MINUTES*
MAXIMUM CONTINUOUS ** 95.5 97.5 715 UNRESTRICTED
MINIMUM IDLE APPROACH -- 67.0 -- UNRESTRICTED
MINIMUM GROUND IDLE -- 46.6 -- UNRESTRICTED
MAXIMUM REVERSE -- 88.0 695 ***
MAXIMUM OVERSPEED 98.3 102.6 -- 20 SECONDS
MAXIMUM OVERTEMPERATURE -- -- 801 - 820 20 SECONDS
NOTE: * The use of takeoff on Go-Around rating is limited to five (5) minutes all engines
operating or ten (10) minutes in the event of an engine failure.
** Maximum continuous power is not recommended for normal flight operations.
Continued use of this power setting may result in reduced engine life.
*** For airplanes SN 1000 thru 1143 without ASC 166. Use of Thrust Reversers is
limited to one (1) minute every thirty (30) minutes.
1-71-20: Takeoff Power:
Minimum acceptable power for takeoff is shown in RATED EPR SETTINGS FOR TAKEOFF
THRUST charts, Performance Section. Takeoff EPR must not exceed rated value by more than
0.01.
1-71-30: Static Ground Run:
While the airplane is static on the ground with crosswinds greater than 15 knots, stabilized
engine operation in the band between 60% and 80% LP RPM (fan speed) is not permitted.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 1
LIMITATIONS
1-52 FAA APPROVED
13 September 2000
1-73-00: ENGINE FUEL AND CONTROL SYSTEMS
1-73-10: Engine Fuel Temperature:
Maximum: 90°C (Fuel temperature up to 120°C for maximum of fifteen (15) minutes is
permissible.)
Minimum: -40°C
1-73-20: Engine Synchronizer:
Engine Synchronizer must be OFF for takeoff and landing.
GULFSTREAM AEROSPACE
GIV AIRPLANE FLIGHT MANUAL
SECTION 1
LIMITATIONS
FAA APPROVED 1-53
13 September 2000
1-74-00: ENGINE IGNITION SYSTEMS
1-74-10: Continuous (Airstart) Ignition:
For airplanes SN 1000 thru 1249 without ASC 304:
The duty cycle time for continuous (airstart) ignition without ASC 304 is five (5) minutes ON
and thirty (30) minutes OFF for cooling. There is no limitation on the ignition when used in a
thirty (30) seconds ON, thirty (30) seconds OFF cycle.
For airplanes SN 1250 and subs and SN 1000 thru 1249 with ASC 304:
There is no duty cycle time limitation for continuous (airstart) ignition with ASC 304 installed.
GULFSTREAM AEROSPACE
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