FAA Private Pilot Helicopter (PRH) practice questions

213 free questions with answers and explanations.

Practice test
  1. 151.A private pilot submits a logbook entry containing false flight time in order to falsely meet currency requirements for carrying passengers. If discovered, this fraudulent entry is grounds for what action under 14 CFR 61.59?Regulations
  2. 152.A private helicopter pilot moves to a new permanent residence. According to 14 CFR 61.60, within how many days must the pilot notify the FAA Airman Certification Branch of the address change, and what happens if the pilot fails to do so?Regulations
  3. 153.While flying in IMC and holding a steady banked turn, a helicopter pilot reaches down to pick up a dropped chart, tilting his head forward and to the side. He suddenly experiences an overwhelming sensation of tumbling or rotating about a completely different axis. Which illusion is this?Human Factors
  4. 154.A pilot is departing from a low-elevation airport on a cool day, then later departs from a high-elevation airport on a hot day. To achieve effective translational lift (ETL) at the high, hot airport compared to the low, cool airport, the helicopter will need:Performance and Limitations
  5. 155.A NOTAR (No Tail Rotor) helicopter produces anti-torque and directional control without an exposed tail rotor. Which principle allows low-pressure air exiting slots along the tailboom to generate a sideward anti-torque force?Helicopter Aerodynamics and Systems
  6. 156.A pilot is flying a fully-loaded helicopter at high forward airspeed in turbulent air at high density altitude. The pilot notices abnormal vibration and a nose-up pitching tendency with a roll toward the retreating blade side. Which combination of factors most likely caused this condition?Helicopter Aerodynamics and Systems
  7. 157.During preflight weather briefing, a pilot learns that a thunderstorm cell along the route has reached the mature stage. Which characteristic is associated with this stage of the thunderstorm life cycle?Weather
  8. 158.A helicopter hovers at a skid height less than one rotor diameter above a firm, level surface. Compared to an out-of-ground-effect hover, why does the helicopter require less power to hover in this condition?Helicopter Aerodynamics and Systems
  9. 159.A hover ceiling OGE chart shows that at 0°C, the maximum gross weight for an OGE hover at 6,000 feet pressure altitude is 2,200 pounds. At 30°C, the maximum gross weight for an OGE hover at the same pressure altitude drops to 1,900 pounds. A pilot plans a departure at 6,000 feet pressure altitude with an outside air temperature of 30°C and an actual gross weight of 2,050 pounds. Based on this chart data, the pilot should conclude that:Performance and Limitations
  10. 160.A helicopter has 900 shaft horsepower available and requires 750 shaft horsepower to maintain level flight at 60 knots and the current gross weight and density altitude. What is the excess power available, and how does it relate to climb performance?Performance and Limitations
  11. 161.A helicopter is transitioning from a hover into forward flight. As airspeed increases, the advancing main rotor blade generates more lift than the retreating blade at the same blade angle. What causes this dissymmetry of lift?Helicopter Aerodynamics and Systems
  12. 162.A pilot flying VFR in a remote area of the western United States, far from any airport, notes on the sectional chart that no magenta Class E floor symbols or blue Class B/C/D boundaries are depicted overhead. What is the vertical extent of the Class G airspace at this location?Navigation and Airspace
  13. 163.During preflight, a pilot performs a VOR receiver accuracy check using a VOR Test Facility (VOT). According to 14 CFR 91.171, what is the maximum allowable tolerance for this check?Navigation and Airspace
  14. 164.During autorotation, which region of the rotor disk produces the forward-acting aerodynamic force along the blade chord that supplies the energy needed to keep the main rotor turning at the correct RPM?Helicopter Aerodynamics and Systems
  15. 165.A helicopter pilot approaching an uncontrolled airport with a published CTAF wants to enter the traffic pattern safely. What is the correct procedure?Navigation and Airspace
  16. 166.A helicopter's flight manual shows that the never-exceed speed (VNE) placard decreases as pressure altitude increases. What is the primary aerodynamic reason for this reduction?Performance and Limitations
  17. 167.A private pilot is planning a daytime VFR flight in a helicopter within Class G airspace at 700 feet AGL. What are the minimum weather requirements the pilot must maintain?Regulations
  18. 168.A helicopter pilot enters a coordinated 60-degree bank turn while maintaining altitude. Using the load factor formula (load factor = 1 / cosine of bank angle), what approximate load factor is the helicopter experiencing?Helicopter Aerodynamics and Systems
  19. 169.A private pilot is flying a helicopter over sparsely populated terrain in Class G airspace during the day, below 1,200 feet AGL, when flight visibility drops to 3/4 statute mile. According to 14 CFR 91.155, under what condition may the flight legally continue?Navigation and Airspace
  20. 170.A helicopter's power-required curve is plotted against airspeed. The lowest point on this curve occurs at 60 KIAS. Flying at this airspeed provides the helicopter's:Performance and Limitations
  21. 171.A pilot is preparing for a departure on a hot, humid day at a high-elevation airport. Compared to the same temperature and pressure altitude with low humidity, the high humidity will:Performance and Limitations
  22. 172.During cruise flight in Class G airspace on a clear day, a pilot is scanning for traffic. According to FAA guidance on effective collision avoidance scanning, which technique is most effective?Human Factors
  23. 173.The height-velocity (H/V) diagram published for a helicopter primarily identifiesPerformance and Limitations
  24. 174.During takeoff, a helicopter accelerates rapidly and climbs into low clouds with no visible horizon. The pilot experiences a strong sensation of pitching up excessively and instinctively pushes the cyclic forward. What illusion is being experienced?Human Factors
  25. 175.A helicopter is equipped with an emergency locator transmitter (ELT) that was activated inadvertently during a hard landing and operated for 45 minutes before being shut off. According to 14 CFR 91.207, what maintenance action is required regarding the ELT battery?Navigation and Airspace
  26. 176.During a low-altitude, low-airspeed departure, a pilot turns the helicopter from a headwind heading to a tailwind heading. What performance hazard is of greatest concern during this maneuver?Performance and Limitations
  27. 177.A private pilot plans to fly three friends on a weekend trip in a rented helicopter and wants to split the total cost of the rental and fuel equally among all four occupants. Under 14 CFR 61.113, is this arrangement permitted?Regulations
  28. 178.A flight instructor explains that the total drag acting on a rotating main rotor blade in forward flight consists of profile drag, induced drag, and parasite drag. Which of these is caused by the blade's own airfoil shape and surface friction, and exists even when the blade produces no lift?Helicopter Aerodynamics and Systems
  29. 179.A pilot is starting the rotor system of a two-bladed helicopter parked with the nose into a strong, gusty crosswind. During the low-RPM startup, the blades begin to flap excessively, and one blade dips dangerously close to the tail boom. What phenomenon is occurring?Helicopter Aerodynamics and Systems
  30. 180.A pilot is flying a helicopter at high forward airspeed and low density altitude. On the advancing side of the rotor disk, the combination of rotational velocity and aircraft forward speed causes the local airflow over the blade tip to approach the speed of sound. What aerodynamic phenomenon results, and how does it differ from retreating blade stall?Helicopter Aerodynamics and Systems
  31. 181.A pilot studying the height-velocity diagram ('dead man's curve') for a specific helicopter notes a shaded avoid area at low altitude and low forward airspeed. What is the primary reason this combination is hazardous?Helicopter Aerodynamics and Systems
  32. 182.Increasing a helicopter's gross weight prior to an autorotation will primarily result inPerformance and Limitations
  33. 183.A pilot is operating in a high hover with a high power setting and a low forward airspeed when the helicopter begins an uncommanded rapid descent despite increasing collective. This is characteristic ofPerformance and Limitations
  34. 184.During a preflight briefing, a pilot asks how the NTSB distinguishes an 'accident' from an 'incident' under 49 CFR Part 830. Which of the following occurrences would be classified as an accident?Regulations
  35. 185.A pilot has been in a shallow, gradual left turn for several minutes without visual reference to the horizon. Upon abruptly leveling the wings, the pilot experiences a strong sensation that the aircraft is now banking to the right, even though the attitude indicator shows level flight. Which illusion is this?Human Factors
  36. 186.A helicopter pilot plans a cross-country route that passes through an area labeled 'BRAVO MOA' on the sectional chart. What is the correct action regarding this airspace?Navigation and Airspace
  37. 187.A pilot flying a piston helicopter with the cabin heater on notices a mild headache and unusual drowsiness during a long flight. There is a faint exhaust-like odor in the cabin. What should the pilot do?Human Factors
  38. 188.A helicopter departs at maximum gross weight with fuel burn of 30 pounds per hour. After 1.5 hours of flight, how has the gross weight change affected the helicopter's out-of-ground-effect (OGE) hover performance capability?Performance and Limitations
  39. 189.A pilot applies an aft cyclic input that produces a downward force on the tip-path plane at the 3 o'clock position of a main rotor that rotates counterclockwise when viewed from above. Due to gyroscopic precession, at what position on the rotor disc will the maximum resulting displacement occur?Helicopter Aerodynamics and Systems
  40. 190.A helicopter pilot plans a flight on a true course of 180° with a true airspeed of 100 knots. The wind is reported from 270° at 20 knots, a direct crosswind. Using the wind triangle, approximately what wind correction angle and resulting groundspeed should the pilot expect?Navigation and Airspace
  41. 191.A private pilot wants to carry a passenger on a daytime local flight in a helicopter. The pilot's most recent takeoffs and landings in a helicopter were logged 95 days ago. According to 14 CFR 61.57(a), may this pilot legally carry the passenger?Regulations
  42. 192.Performance charts for hover and takeoff data are developed using smooth, steady wind conditions during flight testing. When actual wind conditions are gusty and variable, a pilot should:Performance and Limitations
  43. 193.A private pilot rated in helicopters flies with a certificated flight instructor aboard to receive additional training, acting as sole manipulator of the flight controls for the entire flight. May the private pilot log this flight time as pilot in command?Regulations
  44. 194.A pilot is planning a daytime VFR flight in a helicopter and calculates fuel to the first point of intended landing plus a 20-minute reserve at normal cruising speed, matching the fuel requirement used for airplanes. Is this calculation required by regulation for the helicopter flight?Regulations
  45. 195.A pilot decoding a Winds and Temperatures Aloft Forecast (FD) for the 3,000-foot level finds the coded group '9900'. This coded group meansWeather
  46. 196.After a minor helicopter accident, the pilot is uninjured and the aircraft is resting in an open field. According to 49 CFR Part 830, what must the pilot do regarding the wreckage before the NTSB takes custody of it?Regulations
  47. 197.A helicopter departs a 5,000-foot elevation airport where the altimeter is set to 29.92 in. Hg (pressure altitude = field elevation) and the outside air temperature is 30°C. Using the rule that standard temperature decreases 2°C per 1,000 feet from 15°C at sea level, and that density altitude increases approximately 120 feet for each degree Celsius above standard temperature, what is the approximate density altitude?Helicopter Aerodynamics and Systems
  48. 198.A helicopter pilot approaching an uncontrolled airport at dusk sees a segmented circle with an L-shaped traffic pattern indicator extending from the runway 9 landing strip indicator, pointing toward the south side of the runway. What does this indicate to the pilot?Navigation and Airspace
  49. 199.To impress two passengers before a scenic tour, a helicopter pilot performs an unnecessarily steep, low-altitude pass over a lake despite marginal winds. This behavior best exemplifies which hazardous attitude?Human Factors
  50. 200.A helicopter pilot receives a METAR for the departure airport that includes the coded group 'R07/0400V0600FT'. What does this information indicate?Weather