Limitations Flashcards
N1 Continuous Operation
61%-101.8%
N1 MCP
101.8%
N1 Max Take off
101.8%
N1 transient
103.4% 30 seconds
N1 OEI
2.5 min 101.8%-103.4%
Max 103.4%
N2 Take off
100%
N2 Minimum
97%
N2 continuous operation
97-100%
N2 MCP
100%
N2 Transient
101.5% 10 seconds
ITT Continuous Operation
300-765 Celsius
ITT MCP
765 Celsius
ITT Take Off
765-810 Celsius 5 minutes
ITT Max takeoff
810 Celsius
ITT Max transient
850 Celsius 5 seconds
ITT max for starting
1090 Celsius not to exceed 2 sec above 960 Celsius
ITT OEI 30 min
765-822 Celsius
ITT OEI 2.5 min
822-850 Celsius
ITT OEI Max
850 Celsius
Max permissible torque needle split
4%
Torque take off
100% 5 minutes
Torque MCP
87.5%
Torque OEI MCP
63.9%
Torque OEI 30 Min
63.9-79.4%
Torque OEI MAX
79.4%
Fuel Pressure min
4 PSI
Fuel pressure continuous operation
4-35 PSI
Fuel pressure max
35 PSI
Engine oil Pressure min below 79% N1
40 PSI
Oil Pressure min 79-100% N1
80-115 PSI
Oil Pressure Max
115 PSI
Combining gearbox Oil pressure Min
40 PSI
Combining gearbox Oil pressure operation below 94% N2
40-60 PSI
Combining gearbox Oil pressure continuous operation
60-80 PSI
Combining gearbox Oil pressure max
80 PSI
Combining gearbox oil temp
Min 0
Max 115
Transmission oil pressure idle range
30-40 PSI
Transmission oil pressure continuous operation
40-70 PSI
Transmission oil press max
70 PSI
Rotor RPM power on
97-100%
Rotor RPM Power off
91-104.5
Hydraulic pressure min
600 PSI
Hydraulic pressure caution range
600-900 PSI
Hydraulic pressure normal range
900-1100 PSI
Hydraulic pressure max
1100 PSI
Hydraulic temp
88 Celsius
Heater limitation
21 Celsius
Ambient temp range
+52/-2 Celsius/1000 feet
-54 celsius
Generator max
150 amp
75 amps for twin engine ops
15000 feet restart
Governor in Manual
VTOCS performance take off torque
4 foot hover torque add 15%
VNE 7500 LBS
130 Kts
VNE 11200 LBS
100 KTS
VNE reduction after 3000 feet per 1000 feet
3 Kts
Symmetrical doors open locked VNE
80 Kts
Asymmetrical doors open VNE
60 Kts
Symmetrical doors open VNE no locks
60 kts
87.5-100% torque VNE
80 Kts