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Pilot's Handling Notes for the Fiat G.12CR with Fiat A.74 RC42 engines
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The three 770hp Fiat A.74 RC42 engines drive constant speed airscrews. They have automated mixture controls and manually applied carb heat controls. Superchargers sustain that rated power up to 4200 metres. Each engine can deliver 820hp for up to two minutes for TOGA at sea level. Fiat engines cause swing to the left. The virtual flight engineer will operate the oil cooler shutters and select the appropriate supercharger gear ratio throughout the flight according to the engine RPM demanded, current altitude and weather. The engine cowl flaps are under pilot control in this simulation.

AUTOMIXTURE - This engine has automixture in real life and in MSFS. 

The manifold pressure gauges of this aircraft are calibrated in Kg/Cm^2 abbreviated C.

CARB HEAT - When C < 0.8 and OAT < +5C apply CARB HEAT for 30 seconds every few minutes to clear carb ice. Use of CARB HEAT CAUSES significant LOSS OF POWER.

Maximum fuel load is 4,123lbs of 87 Octane AVGAS. This is loaded by default in FS9 to allow the longest routes flown in real life, but limits payload to four VIP passengers plus bags. 

Pre war and wartime design cruise altitude was 4000 metres despite lack of pressurisation or cabin oxygen supply in RA aircraft. 

CAUTION - these interim aircraft have NO airscrew or airframe DE-ICING capability. 

The landing gear is approved for use from unpaved (but not unprepared) surfaces. This aircraft has excellent STOL capability.

Read 'How to fly the Fiat G.12' before flight.

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Take Off: 

FLAP = STAGE 1 (one light)

CARB HEAT = COLD

COWLS = 40%

ELEVATOR TRIM = 1 cabrata  

RUDDER TRIM = destra

LINE UP

TAILWHEEL LOCK = ON

BRAKES = ON

RPM = MAX

THROTTLES = FULL

BRAKES = OFF

YOKE = FULL FORWARD to raise tail

TAIL UP - wait 2 seconds - ROTATE FIRMLY

POSITIVE RATE OF CLIMB

GEAR = UP

ACCELERATE = 170 KmIAS

FLAP = UP

ACCELERATE = 210 KmIAS

Call for Climb power

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METO power - use only after engine failure: 

C = 1.0

RPM = 2400

COWLS = 40%

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Climb power: 

*DO NOT EXCEED 3.5 m/s*

210 KmIAS

C <= 0.9

RESTRAIN C to achieve target + limit above  

RPM = 2300

COWLS = 40%

On reaching 4000 metres

Call for Econ cruise power

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Econ Cruise power: 

C = 0.8

RPM = 1850

COWLS = CLOSED

Plan 700 PPH

Note: Yields  171 KTAS at 4000M (FL131)

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Max Cruise: 

Use to battle headwinds

C = 0.9

RPM = 2000

COWLS = 10%

Plan 930 PPH

Note: Yields 194 KTAS at 4000M (FL131)

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Descent:

*DO NOT EXCEED -3.5 m/s*

Retain CRUISE RPM 

Target prior cruise IAS

DO NOT EXCEED 350 KmIAS 

*AVOID SHOCK COOLING*

C reduce @ 0.1 per minute

C => 0.5 (*MIN*)

COWLS = CLOSED

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Holding:

FLAP = UP

RPM = 1850

C = as required to achieve

210 KmIAS

COWLS = as required

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Approach Circuit and Landing:

C => 0.5 until over boundary fence


*Before Glidepath or Circuit*:

C = 0.5

REDUCE = 170 KmIAS

COWLS = 20%

GEAR = DOWN

FLAP = STAGE 1 & 2 (two lights)

C as required to sustain

170 KmIAS


Downwind:

RPM = 2000

170 KmIAS


Base Leg:

C => 0.5 as required to

Turn final @ 155 KmIAS


Final:

CARB HEAT = COLD

In time to achieve Vref

FLAP = STAGE 3 (four lights)

Cross airfield boundary @ 135 KmIAS (all weights)

C < 0.5 allowed

FLARE

After mainwheel contact 

CORRECT any drift

PULL TAILWHEEL GENTLY INTO CONTACT

YOKE FULL AFT

COWLS = FULL OPEN

FLAP = UP

BRAKES = as required

TAILWHEEL = UNLOCK before taxi

RPM = MAX before taxi

Nose engine = SHUT DOWN
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