Emergency Procedures PC12/45

Question 1

Gen 1 OFF

Answer 1

Gen 1 Switch OFF then ON
Gen 1 Rest Switch PRESS

If Gen 1 does not reset

Gen 2 Load Reduce

Question 2

GEN 2 OFF

Answer 2

Gen 2 Switch OFF then ON

If gen 2 does not reset

Gen 2 Bus Confirm powered
Overhead Panel Monitor Bat Amps

Question 3

Battery Off Line

Answer 3

Battery Switch Confirm ON
Battery Bus Confirm Powered
Overhead Panel Monitor Volts, Amps

Warning : No engine relight possible

Question 4

Gen 1 Bus Not Powered

Answer 4

Inverter Switch Battery
EFIS Composite ON
Check GEN1 BUS CB PANEL to verify inop systems

Warning : Do not fly in icing conditions

Question 5

Gen 2 Bus Not powered

Answer 5

Check Gen2 Bus CB Panel to verify inop systems

Warning : Do not fly in icing conditions

Question 6

Battery Bus Not Powered

Answer 6

Oxygen (all occupants) as required
Inverter Switch Generator
EFIS Composite ON
Pitch Trim Use Alternate
Emergency Descent Consider

Check Batt Bus CB Panel to verify inop systems

Warning :

• the aircraft will depressurize under this condition
• Do not fly in icing conditions
• Land asap

Question 7

Non Ess Bus not powered

Answer 7

If Gen 1 charge current is positive :
NON ESS OVERRIDE SWITCH ON

If Gen 1 Off caution is illuminated, refer to Gen 1 OFF.

Question 8

Avionics bus not powered

Answer 8

Failed Bus (1 or 2) Identify
Avionics Masters Both ON
EFIS Composite ON

Check avionic 1 bus or Avionic 2 bus cb Panel to verify inoperative systems

Question 9

Bus Tie Open

Answer 9

Gen 1 & Gen 2                          Check (Volts, Amps)
Battery                                      Check (Volts, Amps)

If normal Amps and no other CAWS
Bus Tie Breaker Off then ON (once)

If no reset
Gen 2 Load Reduce

Question 10

Battery Overtemp (in flight)

Answer 10

Battery Charge Current Check

If Charge Current High 
Battery                                    OFF (not select On again) 

If Charge Current Normal
Battery OFF
If Bat hot extinguish, wait 5 minutes, then
Battery ON (once only)

Question 11

Emergency Landing Gear Extension

Answer 11

Airspeed

Question 12

Inadvertent Pusher Activation

Answer 12

Control whell Overpower Pusher
Pusher Interrupt Switch Press & Hold
Pusher CB (bat busbar) Pull

Warning : Aircraft not protected from stall

Question 13

Electric Trim Runaway

Answer 13

Trim Interrupt Switch Interrupt
Failed Trim Determine
Failed Trim CB Pull
Trim Interrupt Switch Normal

If main stabilizer trim failed
Alternate stab trim switch Activate

Question 14

Cabin Pressurization

Cabin Pressure Differential > 5,75 Psi

Answer 14

Cabin Altitude Selector Check
Manual Control Check Pressure

If unsuccessful 
ECS Switch                          Off
ECS Firewall Shutoff           Pull
Oxygen (all occupants)       As required
Emergency Descent           Consider

Question 15

Cabin Pressurization

Depressurization

Answer 15

Oxygen As required
Cabin Alt Selector Check
ECS Switch Auto
Cabin Press Switch Auto
Manual Control Confirm Closed
Emergency Descent Consider

Question 16

Emergency Descent

Maximum rate

Answer 16

PCL                             IDLE
LG                                (less than 177 kias) DN
Airspeed                      MMO / VMO
Oxygen                       As required
Windshield Heat         As required

NB : In turbulences, reduce speed to maximum 170 Kias

Question 17

Aborted Take Off

Answer 17

PCL Idle
Reverse As required
Braking As required

If the acft cannot be stopped on remaining runway
CL Cut Off / Feather
Fuel Firewall Shutoff Pull
Master Power OFF
Evacuate acft when stopped

Question 18

MOR Operation

Answer 18

PCL Idle
MOR Lever Advance slowly

If ITT > 870° for 20s or compressor stall
Starter ON (2 sec)
Ng Accelerate > 80%
Ng > 75% Until Touchdown

After Landing
CL Cut Off / Feather

Warning : Do not move PCL aft of idle detent

Caution :

• Torque Limiter and Nf governor may be inoperative
• Engine Response may be more or less rapid than with PCL
• Do not use MOR for taxi

Question 19

Engine Failure in Flight

Answer 19

AP                              OFF
PCL                             Idle
CL                               Cut Off / Feather 
Airspeed/Alt              Check 
Oxygen                       As required
Fuel System Status   Check 
Airstart                       Consider

Question 20

Oil Pressure

Answer 20

60 - 90 Psi ( > 72% Ng)
Torque less than 24 Psi
Land asapossible

Less than 60 Psi or more than 135 Psi
Torque Minimum Required
Land as soon as possible

Question 21

Oil T° > 105°

Answer 21

PCL Reduce Power
If temperature does not return to normal
LG DN
Land asapractical

Question 22

Propeller Low Pitch

Answer 22

PCL Forward of Idle
If unable to maintain speed and height
CL Cut Off / Feather

Question 23

Propeller Overspeed ( >1760 RPM)

Answer 23

1760 - 1870 RPM
PCL Reduce Power
Airspeed Reduce
Np Check

> 1870 RPM
PCL Idle if necessary
Airspeed Reduce to less than 120 kias
Land asapossible

If vibrations and or uncontrolled overspeed
CL Cut Off /Feather

Question 24

Engine Fire (in flight)

Answer 24

PCL Reduce Power
ECS Firewall Shutoff Pull
Oxygen Masks ON (all occupants)
Pax 02 selector ON

If engine fire is confirmed
Fuel Firewall Shutoff Pull
CL Cut Off Feather

Question 25

Cockpit/Cabin Fire, Smoke, Fumes

Answer 25

Source Known :
Oxygen As required
Defective Equpt Isolate (busbar or CB)
Fire (if present) Extinguish

Source not Known
Oxygen Masks On, all occupants
Crew Oxygen 100%
Pax O2 selector ON
ECS Firewall Shutoff Pull
Dump Switch Dump if necessary

When Cabin Pressure Differential = 0
DV Window Open
Fans High

If Fire, Smoke, Fumes Persists
Bus Tie CB PULL
Gen 2 Tie CB PULL
Inverter Switch Battery
Gen 2 and Gen1 OFF

If Fire, Smoke, Fumes Persists
GEN 1 and 2 ON
Inverter Switch Gen
Av Bus OFF

If Fire, Smoke, Fumes Persists
Battery Switch OFF

If Fire, Smoke, Fumes Persists
Master Power OFF