R44 Limitations Flashcards
Red Cross hatch
Indicates power off Vne
Red
Indicates operating limits
Pointer should not enter red during Normal operation
Yellow
Precautionary or special operating procedure range
Green
Normal operating range
Vne
Up to 3000 ft density altitude:
2200 lb TOGW and below : 130 kias
Over 2200 lb TOGW : 120 kias
Autorotation : 100 kias
Additional airspeed limits
Do not exceed 100 kias when operating at power above MCP
Do not exceed 100 kias with any doors removed
RPM power on maximum
102%
RPM power on minimum
101%
RPM power off maximum
108%
RPM power off minimum
90%
Engine maximum speed
2718 RPM (102%)
Cylinder head max temp
500 degrees F (260 C)
Oil max temp
245 degrees F (118 C)
Oil pressure
Minimum during idle
25 psi
Oil pressure
Minimum during flight
55 psi
Oil pressure
Maximum during flight
95 psi
Oil pressure
Maximum during start & warm up
115 psi
Oil quantity
7 quarts
Maximum gross weight
2500 lbs
Minimum gross weight
1600 lbs
Maximum per seat
Including baggage
300 lbs
Maximum in any baggage compartment
50 lbs
Minimum solo pilot
150 lbs
Flight and maneuver limitations
- Aerobatic flight prohibited
- Low G pushovers prohibited
- Flight in known icing conditions prohibited
- Flight prohibited with governor off
- Max operating DA 14,000 ft
- Max operating Altitude 9,000 AGL to allow landing within 5 minutes in case of fire
- Solo right seat only
- Forward left seat belt must be buckled
- Minimum crew is one pilot
- Doors off approved up to 100 kias
Approved fuel grades
100LL
100/130
Main tank with bladders
Total 30.5
Usable 29.5
Auxiliary tank with bladders
Total 17.2
Usable 17
Total fuel capacity with bladders
Total 47.7
Usable 46.5
Airspeed indicator green arc
0 to 130 kias
Airspeed indicator red line
130 kias
Airspeed indicator Red Cross hatch
100 kias
Rotor tach upper red line
108%
Rotor tach green arc
90 to 108%
Rotor tach lower red line
90%
Engine tach upper red line
102%
Engine tach green arc
101 to 102%
Engine tach lower red line
101%
What is the range of the green arc on the manifold pressure gauge?
Green: 15-23.3
What is the yellow range on the manifold pressure gauge?
Yellow: 19.1-26.1
What is the red line on the manifold pressure gauge?
Red: 26.1
What is the power ON max and min for the ROTOR RPM?
Max: 102%
Min: 99%
What is the actual RPM of the main rotor at 102%?
2718 RPM
What is the power OFF max and min for the ROTOR RPM?
Max: 108%
Min: 90%