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  • 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…

  • Glossary › Pilot’s Operating Handbook/Airplane Flight Manual

    pilot in command. Pilotage. Navigation by visual reference to landmarks. Pilot in command (PIC). The pilot responsible for the operation and safety of an aircraft. Pilot report (PIREP). Report of meteorological phenomena encountered by aircraft. Pilot’s Operating Handbook/Airplane Flight ... Manual (POH/AFM). FAA-approved documents published by the airframe manufacturer that list the operating conditions for a particular model of aircraft. PIREP. See pilot report. Pitot pressure. Ram air pressure used to measure airspeed. Pitot-static head. A combination pickup…

  • 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…

  • Chapter 15: Airspace › Air Traffic Control and the National Airspace System › Operating Rules and Pilot/Equipment Requirements

    Figure 15-9 lists the operational and equipment requirements for these various classes of airspace. It is helpful to refer to this figure as the specific classes are discussed in greater detail. Class A Pilots operating an aircraft in Class ... airspace must conduct that operation under IFR and only under an ATC clearance received prior to entering the airspace. Unless otherwise authorized by ATC, each aircraft operating in Class A airspace must be equipped with a two-way radio capable…

  • 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…

  • Chapter 16: Navigation › RAIM Capability › Tips for Using GPS for VFR Operations

    avoid programming routes or VFR waypoint chains into their receivers. Pilots should be especially vigilant for other traffic while operating near VFR waypoints. The same effort to see and avoid other aircraft near VFR waypoints is necessary ... case when operating near VORs and NDBs. In fact, the increased accuracy of navigation through the use of GPS demands even greater vigilance as there are fewer off-course deviations among different pilots and receivers. When operating near…