Limitations Flashcards
Engine TOT limit on Start
819°C
Transient engine TOT limit on Start (5 seconds)
910°C
AEO continuous torque
69%
AEO continuous TOT
879%
AEO continuous N1
99%
AEO continuous N2
94-106%
AEO take-off torque
78%
Note: < or = 5 mins and V< Vy+5kts
AEO take-off TOT
897%
Note: < or = 5 mins
AEO take-off N1
100%
Note: ≤ 5 mins
AEO transient N2 (20 seconds)
<85% or >108%
AEO transient torque (the first of the two transients)
74%
Note: transients are for unintended use only
Audio tone when max power limit exceeded; transient limit reduces with airspeed and is indicated by red teardrop on FLI
AEO transient torque (10 seconds)
82%
Note: transients are for unintended use only
Audio tone when max power limit exceeded; transient limit reduces with airspeed and is indicated by red teardrop on FLI
OEI continuous torque
89.5%
OEI continuous TOT
942%
OEI continuous N1
101.27%
OEI torque (2 minutes)
125%
OEI TOT (2 minutes)
994%
OEI N1 (2 minutes)
103.56%
OEI torque (30 seconds)
128%
OEI TOT (30 seconds)
1024°C
OEI N1 (30 seconds)
104.8%
Flight normal NR (Power ON)
97% to < 105.5%
Flight normal NR (Power OFF)
85% to < 107.5%
Min continuous NR (Power OFF)
85%
Low NR transient (Power ON - 20s)
85% to 97%
High NR transient (Power ON - 20s)
105.5% to 107.5%
High NR transient (Power OFF - 12s)
107.5% to 112%
Max transient NR (Power OFF)
112%
NR Audio tones
< 97% - slow beep (mutable)
> 107.5% - fast beep (mutable)
> 112% - fast beep (unmutable)
ROTOR RPM triggers on WU at
< 97% or > 107.5%
NR Avoid band
60% to 68%
Note: cyclic must be central and collective fully down when NR is in the avoid band
NR Rotor Break permitted
Power OFF: 0% to 50%
Engine Oil Temp: min for start
minus 35°C
Engine Oil Temp: min for power application
10°C
Note 1: To warm oil, run the engine in FLIGHT mode with collective fully down and N1 below 90%
Note 2: When using fuel without FSII at temp between minus 13 and minus 20, engine oil temp must be a minimum of 50°C
Engine Oil Temp: Caution range (low amber limit)
minus 45°C to +10°C
Engine Oil Temp: Continuous
10°C to 110°C
Engine Oil Temp: Max (high red limit)
110°C
Engine Oil Pressure: Min
1.3bar
Engine Oil Pressure: Continuous operation
1.3bar to 5bar