What does a yellow instrument marking signify?
Precautionary or special operating procedure range
Yellow markings indicate caution in operation.
What does a green instrument marking represent?
Normal operating range
Green indicates safe operational parameters.
What is the never-exceed airspeed (Vne) for a helicopter with a TOGW of 2200 lb (998 kg) and below?
130 KIAS
This is the maximum airspeed that should not be exceeded.
What is the never-exceed airspeed (Vne) for a helicopter with a TOGW over 2200 lb (998 kg)?
120 KIAS
This limit applies to helicopters exceeding the specified weight.
What is the maximum airspeed during autorotation?
100 KIAS
This is the maximum airspeed for safe autorotation.
What is the maximum airspeed at power above MCP?
100 KIAS
This limit applies when operating above maximum continuous power.
What is the maximum airspeed with any combination of cabin doors removed?
100 KIAS
This is the limit for safe operation with doors removed.
What is the maximum rotor speed limit during power on?
102% (408 RPM)
This is the maximum allowable rotor speed when the power is on.
What is the minimum rotor speed limit during power on?
101% (404 RPM)
This is the minimum allowable rotor speed when the power is on.
What is the maximum rotor speed limit during power off?
108% (432 RPM)
This is the maximum allowable rotor speed when the power is off.
What is the minimum rotor speed limit during power off?
90% (360 RPM)
This is the minimum allowable rotor speed when the power is off.
True or false: Transient operation below 101% is permitted for emergency procedures training.
TRUE
This allows for flexibility in training scenarios.
What is the maximum continuous engine speed?
102% (2718 RPM)
This is the maximum speed at which the engine can operate continuously.
What is the maximum transient engine speed?
105% (2800 RPM)
Intentional operation above maximum continuous speed is prohibited.
What is the maximum cylinder head temperature?
500°F (260°C)
This temperature limit is critical for engine operation.
What is the maximum oil temperature?
245°F (118°C)
Exceeding this temperature can lead to engine damage.
What is the minimum oil pressure during idle?
25 psi
Maintaining this pressure is essential for engine lubrication.
What is the minimum oil pressure during flight?
55 psi
This is the minimum required pressure for safe flight operations.
What is the maximum oil pressure during flight?
95 psi
Exceeding this pressure can indicate a problem with the oil system.
What is the maximum oil pressure during start & warm up?
115 psi
This is the maximum allowable pressure during engine start and warm-up.
What is the minimum oil quantity for takeoff?
7 qt (6.6 liters)
Ensuring sufficient oil quantity is critical for engine performance.
What is the maximum gross weight limit?
2500 lb (1134 kg)
This is the upper limit for the total weight of the vehicle including all contents.
What is the minimum gross weight limit?
1600 lb (726 kg)
This is the lower limit for the total weight of the vehicle.
What is the maximum weight per seat, including baggage compartment?
300 lb (136 kg)
This limit applies to the weight of an individual seat’s occupant and their baggage.