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