Limitations Flashcards
Minimum Flight crew?
left side Pilot
Cyclic trim failure is restricted to _____ knot downwind hover
15 knot
Max VNE with doors removed 2501 lbs or more?
130 knots
Max VNE with doors removed 2500 lbs or less?
120 knots
Max operating altitude?
16 000’ DA
Ambient temperature limitation?
Up to 6000’ PA 54 degrees celcius
VNE
156 knots
VNE autorotation
131 knots
VNE 35 lbs fuel or less
130 knots
Max Gross weight internal
3000 lbs
Minimum flying gross weight
1538 lbs
Cargo deck capacity
1300 lbs not to exceed 115 lbs per square foot
Utility stowage compartment max weight
50 lbs
C of G limits
99”fwd to 107.4”aft longitudinal
3” left and right lateral
Nr normal range?
487-492 RPM (102-103%N2)
Nr power on limitations?
Max 492 RPM (103% N2)
Min 487 RPM (102% N2)
Nr power off limitations?
Max 523 RPM (109% N2)
Min 410 RPM (87% N2)
Max Take off Torque
87.2 PSI 5 min
MCP Torque
- 3 PSI TOT below 738
74. 3 PSI TOT above 738
Transient Torque
- 3 to 93 PSI for 15 sec at 103% N2
93. 1 to 97.6 PSI for 3 sec at 103% N2
TOT Max take off
810 for 5 min
TOT Max starting(light off)
150
TOT MCP
755 TOT at or below 74.3 PSI torque
738 TOT greater than 74.3 PSI torque
TOT Transients
Start and shut down: 810 and above TOT 10 sec and peak of 927 TOT for 1 sec
Power changes: 810 to 843 TOT for 6 sec
N1 Limitations
MCP 105%
Min ground idle 60%
Transient 106% 15 sec
N1 recommended ground idle speed
64-65% N1 but can be reduced to 60% N1 to maintain N2 below 70% at ground idle
N2 speed avoidance range?
N2 steady state operations for more than 1 sec prohibited between 71% to 88% N2
Engine oil temp limits?
0-107 DC
Engine oil pressure limits?
115 PSI at 94% N1 and above
90 PSI at 79% N1
50 PSI at below 79% N1
Generator limits?
MCP 85 amps
85 to 150 amps 10 min
Over 150 amps 2 min limit prior to take off or during battery charging.
Battery limits?
Flights following 160 DF (71 DC) is prohibited until battery inspection
Starter limitations?
1 min on, 1 min off
1 min on, 23 min off
Up to - ____ DC no ant-ice additives in fuel required but is recommended to provide _______ protection against fuel system icing and _________ contamination
-34 DC
additional
microbiological
What must be done when flight was completed with fuel filter caution light on?
Flight prohibited until fuel filter has been serviced
What conditions require fuel system purge and flight prohibited
- Engine flame out by fuel exhaustion
- Draining fuel from engine compartment fuel drains without start pump on
- Engine shut down using emergency fuel shut off valve
- Motoring the helicopter engine without fuel in fuel tank