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Carenado C340 II Checklist

PREFLIGHT INSPECTION

Control Lock(s)………………… REMOVE and STOW

Parking Brake ……………………………….……………SET

All Switches………………………………….………….. OFF

All Circuit Breakers………………………..……………ON

Landing Gear Switch.……………………..……..DOWN

Right Fuel Selector…………………..…..RIGHT MAINOxygen…………………………………CHECK QUANTITY

Battery Switch…………………..….…………………….ON

Fuel Gauges……………………..…..CHECK QUANTITY

Wing Flaps……………………………..…………….EXTEND

Left Fuel Selector……………………..……..LEFT MAIN 

Trim Tab Controls (3)………………..……….NEUTRAL

Windows……………………………..CHECK for CRACKS

BEFORE STARTING THE ENGINES

Preflight Inspection…………………….……COMPLETE

Cabin Door……………………………….…………..CLOSED 

Brakes……………………………………….….TEST and SET

Landing Gear Switch………………………………DOWN

Emergency Alternator Field Switch….............OFF

Alternate Avionics Power Switch………………..OFF

Circuit Breakers…………………………………………….IN

All Switches………………………………………………..OFF

Auxiliary Fuel Pump Switch.…….………………….OFF

Avionics Master Switch………………….……………OFF

Battery and Alternators…………………….…………ON

Altimeter and Clock…………………………………….SET

Annunciator Light Panel…………...PRESS-TO-TEST

Cabin Door Not Locked Light………………………OFF

Landing Gear Position Lights………………….GREEN 

Cabin Air Controls…………………….….AS REQUIRED

Fuel Quantity…………………………….……………CHECK

Throttles……………………………….…ONE INCH OPEN

Propellers……………………….………..FULL FORWARD

Mixtures…………………………………….……..FULL RICH

Cowl Flaps……………………………………………….OPEN

Fuel Selectors

a.  Left Engine – LEFT MAIN

b. 

Right Engine – RIGHT MAIN

Pressurization Air Controls

c.  PUSH IN

d.  PULL OUT

Ram Air Control

e.  PUSH IN (for pressurization)

f.  PULL OUT (for ventilation)

Cabin Altitude – SET 500 FEET ABOVE

Alternate Air Controls – IN

STARTING ENGINES (Left Engine First)

Propeller…………………………..…………………..CLEAR

Magneto Switches……………………………..………ON

Engine…………………………………………….…….START

g. 

Starter Button – PRESS

h. 

Primer Switch

i.  Left Engine – LEFT

ii.  Right Engine – RIGHT

Auxiliary Fuel Pump……………………….……….LOW

Throttle…………………………….1000 to 1200 RPM

Oil Pressure………………………………………….10 PSI(minimum in 30 seconds in normal weather or 60 seconds in

cold weather. If no indication appears, shut down engine and

investigate.)

Right Engine…………………………………………START

Alternators………………………………………….CHECK

Wing Flaps………………………………………………..UP

Rotating Beacon……………………………………….ON 

Avionics Master Switch…………………………….ON

Radios ……………………………………………………..SET

BEFORE TAKEOFF

1. 

Brakes………………………………….……………SET

2.  Engine Runup

a.  Throttles – 1700 RPM

b.  Alternators – CHECK

c.  Magnetos – CHECK

150 RPM maximum drop with a maximum

differential of 50 RPM

d.  Propellers – CHECK FEATHERING to 1200

RPM; return to high RPM (full forwardposition)

e.  Engine Instruments – CHECK in GREEN ARC

f.  Vacuum System – CHECK

(4.75 to 5.25 inches Hg)

g.  Throttles – 1000 RPM

Flight Controls…….…CHECK FREE and CORRECT

Trim Tabs………………………………….………………SET

Cowl Flaps………………………………….………….OPEN

Alternate Air Controls………………….…..CHECK IN

Altimeters…………………………………..….………….ON 

Fuel Selectors………………………….……….RECHECKa.  Left Engine – LEFT MAIN

b.  Right Engine – RIGHT MAIN

Wing Flaps………..………………….……AS REQUIRED

Fuel Quantity…………………………..……………CHECK

Flight Instruments and Radios……..…………….SET

Lights………………………………………….AS REQUIRED

Annunciator Panel…………………..…………….CLEAR

Auxiliary Fuel Pumps………………..………………..ON

Cabin Pressurization……………………………….PRESS

Brakes…………………………………………………RELEASE

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TAKEOFF

Power………..……..2700 RPM and FULL THROTTLE

Minimum Control Speed – 84 KIAS

Rotate at 91 KIAS

AFTER TAKEOFF

Brakes………………………….…APPLY MOMENTARILY

Landing Gear…………...........………….UP NO LIGHTS 

Wing Flaps……………………….……………………………UP 

Climb Speed……………………..………………….108 KIAS

Auxiliary Fuel Pumps……….………………. CHECK ON

CLIMB (normal)

Power…………………2450 RPM and 28.0 inches Hg

Airspeed…………………………………..115 to 140 KIAS

Mixtures…………………………………..…………..ADJUST 

Cowl Flaps……………………………..…….AS REQUIRED

Auxiliary Fuel Pumps…………………..……………….ON(above 10,000 feet altitude to minimize vapor formation)

Cabin Altitude Control………………..……………….SET(after cabin pressure has stabilized). Reset cabin altitude control to

destination pattern altitude plus 500 feet (inner scale) or cruise altitude

plus 500 feet (outer scale) whichever gives the highest cabin altitude

Cabin Rate Control……………………………..……….SETto reach selected cabin altitude at approximately the same time that the

aircraft reaches cruise altitude

CRUISING

Cruise Power:

2100 to 2450 RPM and 17 to 28 inches Hg

Mixtures………………………………………..…………..LEANfor desired cruise fuel flow as determined by your power computer.

Recheck mixtures if power, altitude or OAT changes.

Cowl Flaps……………………………………..AS REQUIRED

Auxiliary Fuel Pumps

a.  Main Tanks – ON (first 5 to 15 minutes to

minimize vapor formation)

b. 

Auxiliary Tanks – OFF

c.  Switching Tanks – LOW

Fuel Selectors

a. 

Left Engine – LEFT MAIN

b.  Right Engine – RIGHT MAIN

Cabin Altitude Control…………………….…………...SET(if cruising altitude changes). Reset cabin altitude control to destination

pattern altitude plus 500 feet (inner scale) or cruise altitude plus 500 feet

(outer scale) whichever gives the highest cabin altitude

Trim Tabs………………………………………………..ADJUST

DESCENT

Power……………………………………….……….AS REQUIRED

(Maintain sufficient power for pressurization requirements.)

Mixtures…………………………………………….……….ADJUSTfor smooth operation with gradual enrichment as altitude is lost.

Cowl Flaps……………………………………………..………CLOSE

Cabin Altitude Control……………………………..………..SETDuring the initial portion of the letdown, set the cabin altitude control to

pattern altitude plus 500 feet (inner scale)Cabin Rate Control………………..……………………………SETto reach selected cabin altitude (zero cabin pressure) at approximately the

same time as the aircraft reaches pattern altitude plus 500 feet

APPROACH

Fuel Selectors

a. 

Left Engine – LEFT MAIN

b.  Right Engine – RIGHT MAIN

Auxiliary Fuel Pumps……………………………….…………..ON

Alternate Air ControlS……………………….……….CHECK IN

Mixtures……………………………………….…………..FULL RICHor lean as required for smooth operation 

BEFORE LANDING

Propellers……………………………….………..FULL FORWARD

Altimeters………………………………………….………………..SET 

Wing Flaps…………………………………………………DOWN 15°below 160 KIAS 

LANDING

Landing Gear………………………………..…………………DOWNbelow 140 KCAS 

Cabin Differential Press…………………..……….………..ZERO

Wing Flaps…………………………………………………DOWN 45°below 140 KIAS 

Minimum Multi-Engine Approach Speed – 94 KIAS

Minimum Single-Engine Control Speed – 84 KIAS 

AFTER LANDING

Auxiliary Fuel Pumps………………………………….………LOW(during landing roll) 

Cowl Flaps………………….………………….………………….OPENWing Flaps…………………………………….………………………UP

Transponder……….………………………………………………STBY