2-4-4
Engine Operating Limits
The limits presented in each column shall be observed. The limits presented do not
necessarily occur simultaneously. Refer to the Pratt & Whitney Engine Maintenance Manual for
specific action if limits are exceeded.
Table 2-4-1: Engine Operating Limits
OPERATING
CONDITION
(1)
SHP
TORQUE
(PSI)
(2) (3)
MAX ITT
(°C)
Ng (%) Np (RPM)
(11) (12)
OIL
PRESS
(PSI)
(4) (5)
OIL TEMP
(°C)
(9)
TAKEOFF
(7) (10)
1200
44.84
850
104
1700
90 to 135
15 to 110
MAX. CLIMB
(7)
1200
44.84
825
104
1700
90 to 135
15 to 105
CRUISE
(7)
1100
40.63
820
104
1700
90 to 135
15 to 105
MIN. IDLE
(8)
750
64.5
60 MIN
-40 to 110
STARTING
(6)
1000
175 MAX
-40 MIN
TRANSIENT
(10)
61.00
900
104.3
1870
40 to 175
0 to 110
MAX.
REVERSE
(7) (11)
900
34.26
820
1650
90 to 135
15 to 105
Section 2 - Limitations (EASA Approved)
Engine Operating Limits
Pilot's Operating Handbook
Report No: 02406
Issue date: Dec 18, 2020
Page 2-4-2
12-C-A15-10-0204-00A-043A-A
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