Ops Limits Flashcards
MGT Starting Limits
807 to 835 deg C - Transient (1 sec)779 to 807 deg C - Transient (3 sec)
MGT Operating Limits
852 to 874 deg C - Transient (3 sec)803 to 852 deg C - Max (10 min)766 to 803 deg C - Intermediate (30 min)0 to 766 deg C - Max Continuous
Gas Generator (Ng)
101% - Max Transient (3 sec)100% - Max Steady State
Power Turbine Speed (Np)
120% - Max Transient (3 sec)114 to 120% - FADEC Fuel Shutoff105% - Max Steady State/FADEC Fuel Cutback104% - Interim Power100% VTOL/CONV Normal84% - APLN Normal20 to 33% - Avoid Range53 to 67% - Avoid Range
Engine Torque
111 to 139% - High Warning101 to 111% - High Caution0 to 101% - Normal
Normally FADEC will limit Torque to steady state value of ___
109%
Engine Oil Pressure
> 90 psi - High Warning60 to 90 psi - High Caution35 to 60 psi - Normal30 to 35 psi - Low Caution
Engine Oil Temperature
> 140 deg C - High Warning135 to 140 deg C - High Caution40 to 135 deg C - Normal20 to 40 deg C - Low Caution
Do not operate engines above ground idle with engine oil temperature below ___
20 deg C
Wait ___ between each attempted APU restart
15 sec
If APU fails to start after __ attempts, APU starter motor shall be allowed to cool for ___ before attempted restart
3; 55 minutes
PRGB/TAGB Oil Pressure with both engines operating
> 150 psi - High Warning95 to 150 psi - High Caution60 to 95 psi - Normal30 to 60 psi - Low Caution
PRGB/TAGB Oil Pressure with single engine
> 150 psi - High Warning95 to 150 psi - High Caution60 to 95 psi - Normal50 to 60 psi - Low Caution
MWGB Oil Pressure
> 100 psi - High Warning65 to 100 psi - High Caution40 to 65 psi - Normal25 to 40 psi - Low Caution
Delay takeoff until gearbox oil temperatures reach ___
20 deg C
MWGB Oil Temperature (Single and Dual Engine)
> 132 deg C - High Warning110 to 132 deg C - High Caution20 to 110 deg C - Normal
PRGB/TAGB Oil Temperature with Both Engines
> 132 deg C - High Warning110 to 132 deg C - High Caution20 to 110 deg C - Normal
PRGB/TAGB Oil Temperature Single Engine
> 121 deg C - High Warning110 to 121 deg C - High Caution20 to 110 deg C - Normal
Maximum airspeed and altitude for 100% Nr
220 KCAS and 17,000 ft DA
Nr Shall be above __ before attempting to start the second engine
75%
Nr (VTOL/CONV)
Above 113% - High Warning104 to 113% - High Caution104% - Takeoff100% - Normal96% - Min Power OnBelow 94% - Low Warning
Nr (APLN)
Above 113% - High Warning104 to 113% - High Caution82 to 104% - NormalBelow 82% - Low Warning
Mast Torque at 84% Nr
Above 111% - High Warning100 to 111% - High Caution10 to 100% - Normal3 to 10% - Low CautionBelow 3% - Low Warning
Mast Torque at 100% Nr
Above 132% - High Warning100 to 132% - High Caution12 to 100% - Normal3 to 12% - Low CautionBelow 3% - Low Warning
Mast Torque at 104% Nr
Above 132% - High Warning117 to 132% - High Caution12 to 117% - Normal3 to 12% - Low CautionBelow 3% - Low Warning
Flight is prohibited with hydraulic fluid temperature below ____
-18 degrees C
Hydraulic Pressure
5500 psi - High Warning5250 to 5500 psi - High Caution4600 to 5250 psi - Normal4200 to 4600 psi - Low CautionBelow 4200 psi - Low Warning
Searchlight airspeed limitation
The searchlights shall not be motorized to/from the extended position above 200 KCAS.
Crosswind and airspeed limits for flight with the nacelles between 85 and 75 degrees
Max crosswind - 20 ktsMax rearward airspeed - 10 kts
Flight at 84% Nr is limited to what airspeeds
280 KCAS or 0.48 Mach; whichever is less
Flight at 100% Nr is limited to what airspeeds
220 KCAS or 0.46 Mach; whichever is less
Altitude limit
25,000 ft DA
Flap Limitations
10 degrees - 220 KCAS (APLN Only)20 degrees - 180 KCAS (APLN Only)40 degrees - 180 KCAS (All Modes)Full - 45 KCAS (VTOL/CONV Only)
Max Brake Application Speed
60 KGS
Max taxi speed for turning
20 KGS
Max taxi on paved surfaces
100 KGS
Max taxi speed on unpaved surfaces
5 KGS
Max Takeoff speed on paved surfaces
100 KGS
Max Landing speed on paved surfaces
88 KGS
Minimum STO Nacelle
60 degrees
Minimum Landing Nacelle
75 degrees
Max Crosswind
20 kts
Max Tailwind
10 kts
Max gear extension/retraction speed
140 KCAS
Max gear extended speed
150 KCAS
Max ROL Speed
75 kts
Max speed with ramp open
260 KCAS
Max ramp loading
1750 lbs
Max palletized load on ramp for ground operations movement
5000 lbs
Cargo Compartment floor limit
300 lbs per square foot
Single Hook external cargo limit
10,000 lbs
Dual hook external cargo limit
2,000 to 12,500 lbs
External Cargo Airspeed limit
200 KCAS
Max angle of bank with external cargo
30 degrees
Max touch down rates
720 fpm - GW at or below 46,000 lbs600 fpm - GW above 46,000 lbs
Max turn rate in a hover
30 degrees per second
CONV/VTOL Load factor
0.5 to 2g VTOL0.5 to 3g CONV
CONV/VTOL Max pitch attitude
20 degrees nose up
CONV/VTOL Max angle of bank
30 degrees VTOL or CONV less than 60 KCAS60 degrees CONV at or above 60 KCAS
APLN Mode Load Factor
Symmetric: -0.5g to 4.0g.Asymmetric: -0.5g to 3.2g.Negative g: Max 10 seconds per event
APLN Mode Max Angle of Bank
60 degrees
APLN Mode Max Pitch Attitude
35 degrees pitch up
Max turbulent air penetration speed
220 KCAS
Configuration for Fuel Dump
Cargo ramp and door closed.Landing gear up.Main cabin door closed.
Minimum feed tank fuel quantity
300 lbs
Max forward sponson allowable fuel split
2500 lbs
Max gross weight
VTOL: 52,600 lbs.STO: 57,000 lbs for shore-based operations.Maximum alternate gross weight: 60,500 lbs.