CAS Annunciations

Question 1

ENGINE FIRE

Answer 1

Indicates an excessive temperature condition and/or fire has occurred in the engine compartment

Question 2

FUEL SELECT OFF

Answer 2

Indicates LEFT and RIGHT FUEL TANK SELECTORS are both OFF at any time, or LEFT FUEL TANK SELECTOR is OFF when right tank is low, or RIGHT FUEL TANK SELECTOR is OFF when the left tank is low; or that either LEFT or RIGHT FUEL TANK SELECTORS are OFF when STARTER switch is ON. It can also indicate that the START CONT and/or FUEL SEL WARN circuit breaker has been pulled

Question 3

OIL PRESS LOW

Answer 3

Indicates engine oil pressure is less than 40 PSI

Question 4

RSVR FUEL LOW

Answer 4

Indicates the fuel level in the reservoir is approximately one-half or less. With the fuel reservoir full, there is adequate fuel for approximately 3 minutes of maximum rated power or approximately 9 minutes at idle power

Question 5

VOLTAGE LOW

Answer 5

Indicates electrical system bus voltage is less than 24.0 volts prior to engine start or less than 24.5 volts with engine running and power is being supplied from the battery.

In 675 SHP Caravans this CAS Annunciation indicates less than 24.5

Question 6

VOLTAGE HIGH

Answer 6

Indicates electrical system bus voltage is greater than 32.0 volts

Question 7

ALTNR AMPS

Answer 7

Indicates that the alternator output is less than -10 amps or greater than 75 amps

Question 8

CHIP DETECT

Answer 8

Indicates that metal chips have been detected in either or both the accessory gearbox or reduction gearbox

Question 9

DOOR UNLATCHED

Answer 9

Indicates the upper cargo door and/or upper aft passenger are not latched

Question 10

EMERG PWR LVR - YELLOW

Answer 10

Indicates when the EMERGENCY POWER lever is out of the stowed (NORMAL) position while engine is running (Non-Start)

Question 11

FUEL BOOST ON

Answer 11

Indicates the auxiliary fuel pump is operating

Question 12

FUEL PRESS LOW

Answer 12

Indicates fuel pressure in the fuel manifold assembly is below 2.5 PSI

In 675 SHP Caravans this CAS ANNUNCIATION indicates fuel pressure in the fuel manifold assembly is below 4.75 PSI

Question 13

GENERATOR AMPS

Answer 13

Indicates that the generator output is less than -10 amps or greater than 200 amps (-15/300 with 300 amp starter generator)

Question 14

GENERATOR OFF

Answer 14

Indicates that the generator is not connected to the electrical bus with engine running

Question 15

L-R FUEL LOW

Answer 15

Indicates fuel quantity in both the left and right fuel tanks is 25 gallons (170 pounds) or less

Question 16

L FUEL LOW

Answer 16

Indicates fuel quantity in the left fuel tank is 25 gallons (170 pounds) or less

Question 17

R FUEL LOW

Answer 17

Indicates fuel quantity in the right fuel tank is 25 gallons (170 pounds) or less

Question 18

L-R P/S HEAT

Answer 18

Indicates that either both pitot/static vane heater systems (left and right) have mal- functioned or both the LEFT and RIGHT PITOT HEAT circuit breakers are pulled

Question 19

L P/S HEAT

Answer 19

Indicates that the left side pitot/static vane heater system has malfunctioned or the LEFT PITOT HEAT circuit breaker is pulled

Question 20

R P/S HEAT

Answer 20

Indicates that the right side pitot/static vane heater system has malfunctioned or the RIGHT PITOT HEAT circuit breaker is pulled

Question 21

STALL HEAT

Answer 21

Indicates the stall warning heater system has malfunctioned or the STALL WARN circuit breaker is pulled in conditions below 19°C (66°F) or above 52°C (125°F)

Question 22

STARTER ON

Answer 22

Indicates the starter-generator is operating in starter mode

Question 23

STBY PWR INOP

Answer 23

Indicates electrical power is not available from the standby alternator

Question 24

IGNITION ON

Answer 24

Indicates electrical power is being supplied to the engine ignition system

Question 25

SPD ON AVAIL

Answer 25

Indicates that the “SPD” button was pressed on Autopilot Mode Control panel

Question 26

STBY PWR ON

Answer 26

Indicates that the standby alternator is generating electrical power

Question 27

TORQUE GAUGE

Answer 27

Indicates a miscompare between either the Pressure Altitude or OAT sensors. The annunciation will be accompanied with a static torque gage dynamic redline

Question 28

EMERG PWR LVR

Answer 28

Indicates when the EMERGENCY POWER lever is out of the stowed (NORMAL) position prior to and during the engine start (ITT in the OFF and STRT modes ONLY)