Limitations Flashcards
Maximum operating altitude 3000 pounds and below
20,000 feet pressure altitude
Maximum operating altitude above 3000 lbs
13,500 density altitude
Airspeed limitation 3000 pounds and below
150 MPH or 130 KIAS sea level to 3000’ density altitude. Over 3000’ decrease 4 MPH per 1000’. Max density altitude 20,000’
Airspeed limitation above 3000lbs
VNE 140 MPH or 122 KIAS sea level to 3000 feet density altitude. Decrease VNE by 8 MPH per 1000’ above 3000’ density altitude. Max density altitude 13,500
Torque take off power range
85-100%
AFT doors off VNE
100 MPH or 87 KIAS
Forward doors off VNE
80 MPH or 69 KIAS
Max gross weight for take off and landing
3200 lbs internal, 3350 lbs external
Front seat minimum weight
170lbs
Prohibited N2 range
71-88%. Transient operation through this range is permissible
Power turbine (N2) minimum
97%
Power turbine (N2) maximum rpm
100% continuous, 105% for up to 15 seconds
Gas producer (N1) max rpm
105% continuous, 106% for up to 15 seconds
Take off torque limit
100% for up to 5 min. Transient torque limit 110% for up to 5 seconds. Intentional use prohibited
Maximum continuous torque
85%
Take off TOT limitation
810*C for up to 5 min
Maximum continuous TOT
738*C
Power transient TOT
810-843*C for up to 6 seconds. Intentional use is prohibited
TOT start up and shut down temp
810-927*C for 10 seconds.
When will the red light illuminate on TOT gauge?
When 812-927*C are exceeded for more than 10 seconds.
927*C or higher exceeded for more than 1 second
Minimum Engine oil pressure
50 psi
Minimum oil pressure between 78.5-94.2% N1 RPM
90 psi
Minimum oil pressure below 78.5% N1
50 psi
Minimum oil pressure Above 94.2% N1 rpm
115 psi
Maximum Engine Oil Pressure
130 psi
Continuous operation engine oil temp
0-107*c
Maximum engine oil temp
107*C
Minimum fuel pressure
4 psi
Maximum fuel pressure
30 psi
Max outside temp for anti ice
4.4*C
When should engine anti ice be used
In temps below 4.4*C with visible moisture
Minimum transmission oil pressure
30 psi
Transmission oil pressure during continuous operation
30-50 psi
Max transmission oil pressure
70 psi
Continuous transmission oil temp
15-110*C
Max transmission oil temp
110*C
Rotor (NR) power on minimum
97%. Transient rotor rpm droop down to 95% is permitted but should not exceed 5 seconds
Rotor (NR) power on maximum
100%
Rotor (NR) minimum power off
90% rotor rpm
Maximum rotor rpm power off
107% rotor rpm
Loadmeter maximum
70%
N1 start at 7*c
15% N1 RPM
N1 Start at -18c to 7c
13% N1 RPM
N1 start below -18*c
12% N1 RPM
Starts below 12% should NOT be attempted
N1 starter release
58% N1 RPM
