Limitations Flashcards
Max Continuous Torque
- 3 psi with TOT below 738C
74. 3 psi with TOT above 738C
Max Torque for 5-Minute Takeoff
87.2 psi
What four items must be operable for flight in addition to FARs?
- Engine Failure Warning System
- Low Rotor Warning System
- OAT Gauge
- Low Fuel Light
Max Operating Density Altitude
16,000’
Vne
156 kts
Autorotational Vne
130
Low Fuel Vne
130 kts
Doors Off Vne
130 kts
Max Gross Weight
3000 lbs
Minimum Gross Weight
1538 lbs
Cargo Deck Capacity
1300 lbs (115 lb per square foot)
Utility Compartment Stowage
50 lbs
Normal Operating Rotor RPM
487-492 (102-103% N1)
Maximum Rpm Power Off
523
Minimum Power Off RPM
410
Transient Torque Linits
- 3 - 93.0 for 15 seconds
93. 1 - 97.6 for 3 seconds
Maximum TOT for 5-Minute Takeoff
810C
Max Starting TOT
150C
Max Continuous TOT
755C with torque below 74.3
738C with torque above 74.3
Transient TOT Limits during START
Above 810 for 10 seconds with momentary peak at 927 for 1 second
Transient TOT Limit during FLIGHT
810 - 843 for 6 seconds
Max Continuous N1
105%
Minimum Ground Idle
64%
N1 Transient Limit
106% for 15 seconds
N2 Speed Avoid Range
75-88%
Engine Oil Temp Range
0-107C
Oil Pressure Limits
50-130 psi with following minimums:
50 psi below 79% N1
90 psi at 79% N1
115 psi at 94% N1 and above
Max Continuous Generator Load
85 Amps
10-Minute Generator Load
85-150 Amps
Total Fuel
64 gallons (435 lbs)
Total Useable Fuel
62.1 gallons (422 lbs)
Total Unuseable Fuel
1.9 gallons
