HI.XI.G.R2

From the FAA library

• Pilot's Handbook of Aeronautical Knowledgep. 9-3
  Chapter 9: Flight Manuals and Other Documents › Powerplant

  Powerplant The Powerplant Limitations portion describes operating limitations on an aircraft’s reciprocating or turbine engine(s). These include limitations for takeoff power, maximum continuous power, and maximum normal operating power, which is the maximum power the engine can produce ... included in this area are the minimum and maximum oil and fuel pressures, oil and fuel grades, and propeller operating limits. [Figure 9-3] All reciprocating-engine powered aircraft must have a revolutions per minute (rpm) indicator for each engine…

• Helicopter Flying Handbookp. 11-22
  Chapter 11: Helicopter Emergencies and Hazards › Recovery Technique (Uncontrolled Right Yaw) › Governor or Fuel Control Failure

  Governor or Fuel Control Failure Governors and fuel control units automatically adjust engine power to maintain rotor rpm when the collective pitch is changed. If the governor or fuel control unit fails, any change in collective pitch requires manual adjustment ... rotor rpm is not responding to flight control inputs. If the rotor rpm can be maintained in the green operating range, the failure is in the instrument, and not mechanical…

• Helicopter Flying Handbookp. 8-3
  Chapter 8: Ground Procedures and Flight Preparations › Preflight › Minimum Equipment Lists (MELs) and Operations with Inoperative Equipment

  terms and conditions of the MEL and the operatorgenerated procedures document. The use of an MEL for rotorcraft operated under part 91 also allows for the deferral of inoperative items or equipment. The primary guidance becomes the FAA-approved ... issued to that specific operator and N-numbered helicopter. The FAA has developed master minimum equipment lists (MMELs) for rotorcraft in current use. Upon written request by a rotorcraft operator, the local FAA Flight Standards District Office (FSDO) may issue…

• Helicopter Flying Handbookp. 5-3
  Chapter 5: Rotorcraft Flight Manual › Operating Limitations (Section 2) › Rotor Limitations

  Altitude Limitations If the rotorcraft has a maximum operating density altitude (see page 7-2), it is indicated in this section of the flight manual. Sometimes the maximum altitude varies based on different gross weights. Rotor Limitations Low rpm does ... cause structural damage, therefore rotor rpm limitations have minimum and maximum values. A green arc depicts the normal operating range with red lines showing the minimum and maximum limits. [Figure 5-3] There are two different rotor rpm limitations: power…

• Pilot's Handbook of Aeronautical Knowledgep. 9-9
  Chapter 9: Flight Manuals and Other Documents › Minimum Equipment Lists (MEL) and Operations With Inoperative Equipment

  thorough and systematic means by which a pilot determines if an aircraft is airworthy and in condition for safe operation. POHs and owner/information manuals contain a section devoted to a systematic method of performing a preflight inspection. Minimum Equipment Lists ... Operations With Inoperative Equipment Under 14 CFR, all aircraft instruments and installed equipment are required to be operative prior to each departure. When the FAA adopted the minimum equipment list (MEL) concept for 14 CFR part 91 operations, it allowed…

• Aviation Maintenance Technician Handbook - Powerplantp. 10-38
  Chapter 10: Engine Maintenance & Operation › Engine Troubleshooting

  blade angle is known and does not vary. Once the blades are off their low-pitch stops, the propeller governor takes over and maintains a constant rpm, regardless of power input or engine condition. This precaution means that the propeller ... pressure required to produce the same rpm at a time when the engine (or an identical powerplant) was known to be in top operating condition. An example shows the practical application of this method of determining engine condition. With…