MC - 12 Chapter 5 Flashcards
G Load Limitations
G Load Limitations
+3.01 to -1 .21 Flaps Up
+2.0 to 0.0 Flaps Down
Gyro Suction Gauge Limitations
Gyro Suction Gauge Limitations
- 3 to 5.9 in. Normal SL to 15000’
- 8 to 4.3 in. Normal 15000’ to 35000’
Temperature Limits (ISA)
Temperature Limits (ISA)
ISA +37 Max SL to 25000’
ISA +31 Max above 25000’
Pneumatic Boot Limit
Pneumatic Boot Limit
No operation below -40°C
Activate Surface De-ice boots @ ½ ice accumulation
ER Fuel Quantity
ER Fuel Quantity
118 gals per side, 236 total
775 total fuel w/main, aux and ER full
Range approx. 2300NM, 8 hrs. endurance
Autopilot Limitations
Autopilot Limitations
- During Autopilot operations, a pilot must be seated at the controls with seat belt and shoulder harness fastened.
- Satisfactory preflight check conducted prior to each flight on which the autopilot is to be used.
- Minimum engage after takeoff 400 ft. AGL.
- Minimum use during cruise 1000 ft. AGL.
- Minimum height during approach is 79 ft. AGL.
- Minimum height during steep approach 160 ft. AGL.
- Maximum airspeed is Vmo / Mmo.
- NP and Yaw Damper must not be used for T/0 and Landing.
- Operation with pitch trim malfunction is prohibited.
- Do not manually override the autopilot during normal flight.
- Max Coupled intercept angles are NAV / LOC <90’ Back Course 70’
Generator Load With OAT Greater Than 10°c
Generator Load With OAT Greater Than 10°c
30% with Air Conditioner ON
50% with Air Conditioner OFF
Maximum Operating Altitude
Maximum Operating Altitude
35000’
Cllmb Speeds
Cllmb Speeds
135 SL to 3500
Airspeed Limitations \_\_Max. demonstrated crosswind component \_\_Min. for reverse \_\_VMCA (Flaps approach) \_\_VMCA (Flaps up) \_\_Vsse (Intentional one-engine inoperative) \_\_Vyse
Airspeed Limitations
20 Max. demonstrated crosswind component
40 Min. for reverse
99 VMCA (Flaps approach)
103 VMCA (Flaps up)
135 Vsse (Intentional one-engine inoperative)
135 Vyse
Airspeed Limitations \_\_\_ Vx \_\_\_ Max. glide range \_\_\_ Vy \_\_\_ Min. for sustained icing in flight \_\_\_ VFe (Full down) \_\_\_ VLO (Gear retraction) \_\_\_ VB (Turbulence penetration)
Airspeed Limitations 135 Vx 135 Max. glide range 135 Vy 140 Min. for sustained icing in flight <15000 150 Min. for sustained icing in flight >15000. 158 VFe (Full down) 164 VLO (Gear retraction) 170 VB (Turbulence penetration)
Airspeed Limitations \_\_\_ VA (Flaps up) \_\_\_ VLE (Gear extension) \_\_\_ VFE (Approach) \_\_\_ Max. Windshield de-icing \_\_\_ VMO (Below 24000') \_\_\_ MMO (Above 24000')
Airspeed Limitations 182 VA (Flaps up) 182 VLE (Gear extension) 202 VFE (Approach) 226 Max. Windshield de-icing 245 VMO (Below 24000') 0.58 MMO (Above 24000')
Torque Limits
Torque Limits
0-100% - Normal operating range (1000-1700 RPM)
62% - Below propeller 1000 RPM
96% - Max. TQ, props above 1700 up to 1768 RPM
102% - Transient 7 minutes
156% - Max. transient (20 Sec)
Turbine Tach (N1 speed) Limits
Turbine Tach (N1 speed) Limits
62% - Min. low Idle
104% - Max.
104% - Max. transient
ITT Limits
ITT Limits 750°C - Max. low idle 760°C - Max. reverse 785°C - Cruise climb 820°C - Max. cruise 820°C - Takeoff I max. continuous 850°C - Transient (20 sec) 870°C - Throttle push (5 minutes, max. TQ 100%) 1000°c - Max. transient starting (5 sec)
Oil Temperature Limits
Oil Temperature Limits -40°C - Starting -40°-110°C - Idle 0-99°C - Nomal 110°C - Max. 99°-110°C - Max. transient (10 Min.) 0-99°C - Max. reverse 55°C - Rec for fuel heater ops at T/O
Oil Pressure Limits (psi)
Oil Pressure Limits (psi)
10 psi - Fluctuations Acceptable
60 psi - Min. low idle
60-90 psi - Caution range (Torque limited to 62%)
90-135 psi - Normal operating above 72% N1
200 psi - Max. starting
Cabin Altimeter and Differential Limits
Cabin Altimeter and Differential Limits
0-6.6 psig - Max. cabin differential
Propeller De-Ice Ammeter Limits
Propeller De-Ice Ammeter Limits
26-32 Amps - normal range
Pneumatic Pressure Limits
Pneumatic Pressure Limits
12-20 psi - Normal operating range
20 psi - Max. psi
DC Power Limitations
DC Power Limitations
75% Max. - (62% - 70%)
100% Max. - (70% - 100%)
27.5-29.0 - VDC normal 100% Max to 21000, 90% from 21000-26000, 80% from 26000-30000, 75% Max from 30000-32000, 70% Max from 32000-35000, 90% Max single engine all altitudes
Props (N2 rpm) Limits
Props (N2 rpm) Limits 1050 Min. idle unless in Feather 1450-1700 Normal operating range 1650 Max. reverse 1700 Max. 1735 Inadvertent excursions (7 minutes) 1870 Transient (20 sec) 400-1050 Avoid during ground operations
Weight Limits (Normal Operations)
Weight Limits (Normal Operations) 16,600 Max. ramp weight 16,500 Max. takeoff Weight 15,675 Max. landing Weight 13,000 Max. zero fuel weight 550 lbs. Max. baggage compartment weight One-person Max. on air stair door
Rudder Boost
Rudder Boost
Must be operational for all flights
