R44 II Limitations
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What is the color code for instrument markings?
 Red
 Red cross hatch
 Yellow
 Green

What does the Red instrument marking mean?
Indicates operating limits

What does the Red cross hatch instrument marking mean?
indicates power off Vne

What does the yellow instrument marking mean?
Precautionary or special operating procedure range

What does the green instrument marking mean?
Normal operating range

Up to 3000 FT density altitude, what is the max speed for and autorotation?
100 KIAS

Up to 3000 FT density altitude, what is the max speed for over 2200 IBS TOGW?
120 KIAS

Up to 3000 FT density altitude, what is the max speed for 2200 IBS TOGW and below?
130 KIAS

If above 3000 FT density altitude how can you determine your max speeds?
Refer to the Never Exceed Speed KIAS Placard on page 29

When do you not exceed 100 KIAS?
 With any door(s) removed
 When operating at power above MCP
 During an autorotation

What is the minimum and maximum rotor speed limits with power on?
 Tachometer Reading: 101%  102%
 Actual RPM: 404  408

What is the minimum and maximum rotor speed limits with power off?
 Tachometer Reading: 90%  108%
 Actual RPM: 432  360

What is the maximum engine speed?
2718 RPM (102%)

What is the maximum cylinder head temperature?
500° F (260° C)

What is the maximum oil temperature?
245° F (118° C)

What is the minimum oil pressure during idle?
25 psi

What is the minimum oil pressure during flight?
55 psi

What is the maximum oil pressure during flight?
95 psi

What is the maximum oil pressure during start and warm up?
115 psi

What is the minimum oil quantity for take off?
7 qt

Where do you look to see your maximum manifold pressure?
Refer to Limit Manifold Pressure placard on page 29

What is the maximum gross weight?
2500 ibs

What is the minimum gross weight?
1600 ibs

What is the maximum weight per seat including the baggage compartment?
300 ibs

What is the maximum weight in any baggage compartment?
50 ibs

What is the minimum solo pilot plus forward baggage weight with all doors installed?
150 ibs

Where is the datum line located?
100 inches forward of main rotor shaft centerline

What kinds of flight are prohibited with an R44 II?
 Aerobatic
 LowG cyclic pushovers
 When govoner is selected off, except when inflight system malfunctions and emergency procedure training
 Flight in known icing conditions

What is the maximum operating density altitude?
14,000 FT

What is the maximum operating altitude?
9,000 FT AGL  to allow landing within 5 minutes in case of fire

What seat can a pilot sit in for solo flight?
Right seat only

What is the minimum crew?
1

What systems must be operable for flight?
 Alternator
 RPM Governor
 Low rotor RPM warning system
 OAT gage
 Hydraulic control system
 also the forward seatbelt must be buckled

What must be operational for night flight?
 Landing lights
 Anti collision lights
 instrument lights
 Navigation lights

How must orientation be maintained during VFR at night?
by visual reference to ground objects illuminated solely by lights on the ground or adequate celestial illumination

What fuel grades are approved?
 100LL grade aviation fuel
 100/130 grade aviation fuel

How many gallons of total capacity can the main gas tank hold?
 With bladder: 30.5
 Without bladder: 31.6

How many gallons of usable capacity can the main gas tank hold?
 With bladder: 29.5
 Without bladder: 30.6

How many gallons of total capacity can the auxiliary gas tank hold?
 With bladder: 17.2
 Without bladder: 18.5

How many gallons of usable capacity can the auxiliary gas tank hold?
 With bladder: 17.0
 Without bladder: 18.3

How many gallons of total capacity can both tanks of gas combined hold?
 With bladder: 47.7
 Without bladder: 50.1

How many gallons of usable capacity can both tanks of gas combined hold?
 With bladder: 46.5
 Without bladder: 48.9

What are the limits of the airspeed indicator?
 Green arc: 0  130 KIAS
 Red line: 130 KIAS
 Red crosshatch: 100 KIAS

What are the limits of the rotor tachometer?
 Green arc: 90%  108%
 Lower red line: 90%
 Upper red line: 108%

What are the limits of the engine tachometer?
 Green arc: 101%  102%
 Lower red line: 101%
 Upper red line: 102%

What are the limits of the oil pressure gage?
 Lower red line: 25 psi
 Lower yellow arc: 25  50 psi
 Green arc: 55  95 psi
 Upper yellow arc: 95  115 psi
 Upper red line: 115 psi

What are the limits of the oil temperature gage?
 Green arc: 75  245° F
 Red line: 245° F

What are the limits of the cylinder head temperature gage?
 Green arc: 200  500° F
 Red line: 500° F

What are the limits of the manifold pressure gage?
 Green arc: 15.0  23.3 in. Hg
 Yellow arc: 19.1  26.1 in. Hg
 Red line: 26.1 in. Hg

What is the recommended speed for takeoff and climbs?
60 KIAS

What is the recommended speed for maximum rate of climb (Vy)?
55 KIAS

What is the recommended speed for maximum range?
100 KIAS

What is the recommended speed for landing approach?
60 KIAS

What is the recommended speed for autorotation?
70 KIAS