PH.V.F.R9
Risk managementLow rotor rpm.
From the FAA library
- Chapter 11: Helicopter Emergencies and Hazards › Low Rotor RPM and Rotor Stall
Other causes of a power-on low rotor rpm condition include the pilot rolling the throttle the wrong way in helicopters not equipped with a governor or a governor failure in helicopters so equipped. As the rpm decreases, the amount ... upon itself rapidly leading to rotor stall. There are a number of ways the pilot can recognize the low rotor rpm situation. Visually, the pilot can not only see the rotor rpm indicator decrease but also the change in torque…
- Chapter 6: Weight and Balance
information that might be covered include physiological factors, general weather information, fuel conservation procedures, external load warnings, low rotor rpm considerations, and recommendations that if not adhered to, could lead to an emergency. Chapter Summary This chapter familiarized the reader…
- Chapter 10: Advanced Flight Maneuvers › Confined Area Operations › Approach
hand. In all confined area operations, with the exception of a pinnacle operation (see next section, Takeoff), the angle of descent should be no steeper than necessary to clear any barrier with the tail rotor in the approach path ... barrier by a few feet and maintaining normal operating rpm, with perhaps a reserve of power, is better than clearing a barrier by a wide margin but with a dangerously low rpm and no power reserve…
- Chapter 10: Advanced Flight Maneuvers › Confined Area Operations › Takeoff
barrier by a few feet and maintaining normal operating rpm, with perhaps a reserve of power, is better than clearing a barrier by a wide margin but with a dangerously low rpm and no power reserve. Always make the landing ... specific point and not to some general area. This point should be located well forward, away from the approach end of the area. The more confined the area is, the more essential it is that the helicopter land precisely…
- Chapter 10: Advanced Flight Maneuvers › Confined Area Operations › Common Errors
Under certain conditions, sideward flight to the takeoff position may be preferred…
- Chapter 10: Advanced Flight Maneuvers › Reconnaissance Procedures › Low Reconnaissance
However, the decision to land or go around must be made prior…