FAA CRG Knowledge Test — Commercial Pilot Gyroplane

According to 14 CFR Part 61, a person holding a Commercial Pilot Certificate with a Gyroplane rating may act as pilot in command of a gyroplane carrying persons or property for compensation or hire, provided they:

• AHold a valid Second-Class (or First-Class) medical certificate and meet all applicable re…
• BHold at least a Third-Class medical certificate and have logged at least 500 hours of tot…
• CAre supervised by a Certified Flight Instructor (CFI-G) on all revenue-generating flights.
• DHold a Part 135 Air Carrier Certificate registered under their individual name.

If a commercial pilot candidate achieves a Commercial Pilot Certificate with a Gyroplane rating but does NOT hold an instrument rating (rotorcraft), what limitation is placed on their certificate regarding passenger carriage?

• ACarriage of passengers for hire on cross-country flights of more than 50 nautical miles o…
• BCarriage of passengers for hire is restricted to a maximum distance of 25 nautical miles…
• CCarriage of passengers for hire is completely prohibited under all circumstances.
• DCarriage of passengers for hire is restricted to daylight hours only within Class G airsp…

A Second-Class Medical Certificate issued to a 38-year-old commercial gyroplane pilot on March 10 of this year expires for commercial pilot privileges at the end of:

• AMarch 31 of the following year (12 calendar months).
• BMarch 31 of the second year following issuance (24 calendar months).
• CMarch 31 of the fifth year following issuance (60 calendar months).
• DMarch 10 of the following year (exactly 365 days).

Under 14 CFR § 61.129(e), what are the minimum total flight time and gyroplane flight time requirements for an applicant seeking a Commercial Pilot Certificate with a Gyroplane rating?

• A150 hours of total flight time, including at least 100 hours in powered aircraft and 50 h…
• B250 hours of total flight time, including at least 100 hours in powered aircraft and 100…
• C100 hours of total flight time, including at least 75 hours in powered aircraft and 25 ho…
• D200 hours of total flight time, including at least 150 hours in powered aircraft and 30 h…

Which dual flight instruction experience is specifically required for a Commercial Pilot Gyroplane rating under 14 CFR § 61.129(e)?

• A2 hours of day cross-country and 2 hours of night cross-country in a gyroplane, each flig…
• B5 hours of day instrument flight training and 5 hours of night solo pattern circuits in a…
• C10 hours of dual cross-country navigation using only VOR radial tracking and ILS approach…
• D3 hours of night dual instruction in a multi-engine gyroplane within 25 nautical miles of…

What is the specific solo cross-country flight requirement for a commercial pilot candidate in a gyroplane under 14 CFR § 61.129(e)?

• AOne cross-country flight of at least 150 NM total distance, landing at a minimum of three…
• BOne cross-country flight of at least 300 NM total distance, landing at a minimum of four…
• CThree separate cross-country flights of at least 50 NM straight-line distance, conducted…
• DOne cross-country flight of at least 100 NM total distance between two military airfields.

To maintain pilot-in-command privileges, a commercial gyroplane pilot must successfully complete a flight review within the preceding:

• A24 calendar months, consisting of a minimum of 1 hour of ground instruction and 1 hour of…
• B12 calendar months, consisting of a minimum of 2 hours of ground instruction and 2 hours…
• C36 calendar months, consisting of a written exam and a 30-minute check flight.
• D24 calendar months, consisting solely of a check flight with a Designated Pilot Examiner…

To act as pilot in command of a gyroplane carrying passengers during daylight hours, a commercial pilot must have made at least three takeoffs and landings in a gyroplane within the preceding:

• A90 days.
• B60 days.
• C6 calendar months.
• D12 calendar months.

To carry passengers in a gyroplane during the period beginning 1 hour after sunset and ending 1 hour before sunrise, the pilot in command must have logged three takeoffs and three landings within the preceding 90 days in a gyroplane. These landings must have been:

• APerformed to a full stop during the period beginning 1 hour after sunset and ending 1 hou…
• BPerformed touch-and-go or full stop during official twilight.
• CLogged in any rotorcraft category aircraft regardless of full stop or touch-and-go.
• DPerformed at an airport equipped with an operational control tower and runway lighting.

A commercial gyroplane pilot acting as safety pilot for another pilot practicing simulated instrument flight under a hood may log PIC time if:

• AThe safety pilot acts as pilot in command of the aircraft during the time the other pilot…
• BThe safety pilot sits in the rear seat without flight controls and monitors visual traffi…
• CThe aircraft is operating under Instrument Flight Rules (IFR) in actual IMC.
• DThe safety pilot possesses a Designated Pilot Examiner authorization.

Under 14 CFR § 91.151, what is the minimum VFR day fuel reserve requirement for a gyroplane?

• AEnough fuel to fly to the first point of intended landing and, assuming normal cruising s…
• BEnough fuel to fly to the destination and thereafter for at least 20 minutes.
• CEnough fuel to fly to the destination and thereafter for at least 45 minutes.
• DEnough fuel to fly for 1 hour beyond the primary destination.

Under 14 CFR § 91.151, what is the minimum VFR night fuel reserve requirement for a gyroplane flight?

• AEnough fuel to fly to the destination and thereafter for at least 45 minutes at normal cr…
• BEnough fuel to fly to the destination and thereafter for at least 30 minutes at normal cr…
• CEnough fuel to fly to the destination and thereafter for at least 60 minutes at normal cr…
• DEnough fuel to fly to an alternate airport plus 15 minutes.

According to 14 CFR § 91.119, what is the general minimum safe altitude over any congested area of a city, town, or settlement?

• A1,000 feet above the highest obstacle within a horizontal radius of 2,000 feet of the air…
• B500 feet above the surface or no closer than 500 feet to any person, vessel, vehicle, or…
• C1,500 feet above ground level across a 5-mile radius.
• D2,000 feet above the highest terrain within a 3-mile radius.

Which aircraft may be operated below the minimum safe altitudes of 14 CFR § 91.119(b) and (c) under the relief in § 91.119(d)?

• AHelicopters, powered parachutes, and weight-shift-control aircraft, if the operation is c…
• BGyroplanes and helicopters, if the operation is conducted without hazard to persons or pr…
• CAny rotorcraft, glider, or balloon, because their approach paths are inherently steeper
• DNo aircraft; § 91.119(b) and (c) apply without exception once airborne

What are the day VFR flight visibility and cloud clearance requirements for a gyroplane operating in Class G airspace at 700 feet AGL?

• A1 statute mile flight visibility and clear of clouds.
• B3 statute miles flight visibility, 500 feet below, 1,000 feet above, and 2,000 feet horiz…
• C5 statute miles flight visibility, 1,000 feet below and 1,000 feet above clouds.
• D3 statute miles flight visibility and clear of clouds.

What are the basic VFR weather minimums for operating a gyroplane within Class C airspace below 10,000 feet MSL?

• A3 statute miles visibility; cloud clearance 500 feet below, 1,000 feet above, and 2,000 f…
• B1 statute mile visibility; clear of clouds.
• C3 statute miles visibility; clear of clouds.
• D5 statute miles visibility; 1,000 feet below, 1,000 feet above, and 1 statute mile horizo…

What are the minimum flight visibility and cloud clearance requirements for VFR operations in Class B airspace?

• A3 statute miles visibility and clear of clouds.
• B3 statute miles visibility, 500 feet below, 1,000 feet above, and 2,000 feet horizontal.
• C1 statute mile visibility and clear of clouds.
• D5 statute miles visibility, 1,000 feet above and 1,000 feet below.

Regarding Special VFR (SVFR) operations under 14 CFR § 91.157, how do SVFR requirements for gyroplanes differ from fixed-wing airplanes?

• AGyroplanes operating SVFR are exempt from the 1 statute mile visibility requirement, but…
• BGyroplanes are prohibited from ever operating under Special VFR clearances.
• CGyroplanes require an instrument rating and an IFR equipped aircraft for all SVFR operati…
• DGyroplanes must maintain 3 statute miles visibility and 1,000 feet ceiling under SVFR.

Under 14 CFR § 91.303, aerobatic flight is prohibited in which of the following circumstances?

• AWhen flight visibility is less than 3 statute miles or at an altitude below 1,500 feet ab…
• BWhen flight visibility is less than 5 statute miles or at an altitude below 3,000 feet AG…
• CWithin Class G airspace below 5,000 feet MSL.
• DOver unpopulated rural farmland at an altitude of 2,000 feet AGL.

According to 14 CFR § 91.211, what are the supplemental oxygen requirements for the required flight crew during unpressurized flight in a gyroplane?

• ASupplemental oxygen must be used by required flight crew for that part of the flight at c…
• BSupplemental oxygen must be used continuously by all occupants at all times above 10,000…
• CSupplemental oxygen is only required for flight crew when operating above 18,000 feet MSL.
• DSupplemental oxygen must be supplied to all passengers during any flight lasting more tha…

Under 14 CFR § 91.409, a gyroplane operated for hire or used to give flight instruction for hire must receive a complete inspection every:

• A100 hours of time in service (in addition to an annual inspection every 12 calendar month…
• B50 hours of time in service (in addition to a semi-annual inspection).
• C100 hours of time in service, which replaces the requirement for an annual inspection.
• D24 calendar months, coinciding with the transponder inspection.

If a gyroplane is being flown to a location where its mandatory 100-hour inspection will be performed, by how much may the 100-hour limitation be exceeded?

• ABy not more than 10 hours, and the excess time used to reach the inspection location must…
• BBy not more than 5 hours, provided a CFI endorses the aircraft logbook.
• CBy up to 20 hours, provided the flight is conducted strictly solo.
• DThe 100-hour limitation can never be exceeded under any circumstances.

According to 14 CFR § 91.413, no person may use an ATC transponder or ADS-B Out equipment unless within the preceding 24 calendar months it has been tested and inspected and found to comply with standards.

• A24 calendar months.
• B12 calendar months.
• C100 hours of time in service.
• D36 calendar months.

Under 14 CFR § 91.207, Emergency Locator Transmitter (ELT) batteries must be replaced or recharged when:

• AThe transmitter has been in use for more than 1 cumulative hour, or 50 percent of their u…
• BThe annual airframe inspection is completed, regardless of usage time.
• CThe battery voltage drops below 90 percent of original factory rating.
• DThe aircraft has accumulated 100 flight hours following installation.

Who is primarily responsible for maintaining an aircraft in an airworthy condition and ensuring compliance with all applicable Airworthiness Directives (ADs)?

• AThe owner or operator of the aircraft.
• BThe pilot in command during a specific flight.
• CThe certificated mechanic who performed the last annual inspection.
• DThe local FAA Flight Standards District Office (FSDO).

What documents must be on board a US-registered commercial gyroplane during flight operations?

• AAirworthiness Certificate, Registration Certificate, FCC Radio Station License (if operat…
• BAirworthiness Certificate, Pilot Logbook, Maintenance Logbooks, and Proof of Insurance.
• CBill of Sale, Engine Logbook, Commercial Pilot Certificate, and Medical Certificate.
• DRegistration Certificate, Flight Review Endorsement, Airworthiness Directive compliance l…

Under 14 CFR § 119.1(e), which of the following commercial gyroplane operations may be conducted for compensation or hire WITHOUT obtaining a Part 119 Air Carrier Certificate?

• AStudent instruction, non-stop commercial air tours conducted within a 25 statute mile rad…
• BScheduled passenger commuter flights between two cities 100 miles apart.
• COn-demand passenger charter flights operating across state lines.
• DCargo transport flights carrying mail under contract for the US Postal Service.

According to NTSB Part 830.5, which of the following occurrences requires IMMEDIATE notification to the nearest National Transportation Safety Board (NTSB) field office?

• AAn in-flight fire, flight control system malfunction, or main rotor blade damage requirin…
• BA flat tire during taxi causing minor ground loop damage to a fiberglass wheel fairing.
• CAn engine failure during flight where a safe autorotational landing was made on a runway…
• DA minor ground collision with a fuel truck resulting in $1,500 worth of superficial paint…

Under NTSB Part 830.15, the operator of an aircraft involved in an accident must file a complete written report (Form 6120.1) with the NTSB within how many days?

• AWithin 10 days after the accident (or within 7 days if an aircraft is missing).
• BWithin 48 hours following the incident.
• CWithin 30 calendar days.
• DWithin 5 business days after notification by the FAA.

According to 14 CFR § 91.17, no person may act or attempt to act as a crewmember of a civil aircraft within how many hours after the consumption of any alcoholic beverage, or while having what blood alcohol concentration?

• AWithin 8 hours after consuming alcohol, or while having 0.04 percent by weight or more al…
• BWithin 12 hours after consuming alcohol, or while having 0.08 percent by weight or more a…
• CWithin 24 hours after consuming alcohol, or while having any detectable alcohol trace.
• DWithin 4 hours after consuming alcohol, or while having 0.02 percent alcohol in the blood.

What primary aerodynamic force causes the main rotor of a gyroplane to rotate during flight?

• AUpward airflow through the rotor disk created by forward motion or gravity descent (autor…
• BEngine torque transmitted continuously through a mechanical drive shaft.
• CEngine exhaust gas blowing over the rotor blade tip nozzles during cruise.
• DHorizontal ram air striking the upper surface of the rotor blade leading edge.

During steady autorotational flight, a gyroplane rotor blade is divided into three distinct aerodynamic zones along its span. Moving from the blade root to the blade tip, these zones are identified as:

• AStall zone, driving zone (autorotational region), and driven zone (propeller region).
• BDriven zone, driving zone, and stall zone.
• CDriving zone, stall zone, and reverse flow zone.
• DPropeller zone, boundary layer zone, and vortex zone.

Which statement correctly describes the aerodynamic forces acting on the driven (outer tip) zone of a gyroplane rotor blade during autorotation?

• AThe total aerodynamic force vector is tilted behind the axis of rotation, creating a reta…
• BThe total aerodynamic force vector is tilted ahead of the axis of rotation, accelerating…
• CThe angle of attack in the driven zone exceeds the critical angle, producing total aerody…
• DThe driven zone produces zero lift and zero drag.

How does the driving (autorotational) zone of a gyroplane rotor blade maintain rotor RPM during steady flight?

• AThe total aerodynamic force vector is tilted forward of the axis of rotation, creating an…
• BEngine power is automatically supplied to the driving zone via a centrifugal clutch.
• CCentrifugal force pulls the driving zone outward to overcome blade drag.
• DThe driving zone operates at negative angles of attack to generate downward thrust.

In forward flight, dissymmetry of lift in a gyroplane rotor disk is caused by:

• AThe advancing blade experiencing a higher relative wind speed than the retreating blade.
• BThe engine pusher propeller creating unequal downwash on the rotor head.
• CThe rotor blades operating at different engine gear ratios.
• DThe fuselage creating an asymmetric lateral CG imbalance.

Due to gyroscopic precession and phase lag, maximum upward flapping of a rotor blade in response to maximum upward force occurs approximately how many degrees later in the plane of rotation?

• A90 degrees.
• B45 degrees.
• C180 degrees.
• D360 degrees.

Rotor disk loading in a gyroplane is defined as:

• AThe total gross weight of the gyroplane divided by the total area of the rotor disk.
• BThe total engine horsepower divided by the length of one rotor blade.
• CThe weight of the rotor head assembly divided by the fuselage empty weight.
• DThe maximum aerodynamic lift force divided by the rotor RPM.

How does a semi-rigid teetering rotor head automatically equalize lift between the advancing and retreating blades during forward flight?

• AAs the advancing blade flaps upward due to increased lift, the teetering hinge forces the…
• BMechanical linkages automatically alter engine throttle setting as blades rotate.
• CHydraulic dampers lock the rotor head rigidly in position at speeds above 50 knots.
• DAn electronic pitch motor continuously changes blade cyclic angle 1,000 times per minute.

What sequence of events leads to the catastrophic phenomenon known as 'low-G bunting' or zero-G unloading in a gyroplane?

• AAbrupt forward stick movement unloads the rotor disk to near 0-G, causing rapid decay of…
• BSudden engine failure at high altitude causes rotor RPM to overspeed beyond structural li…
• CA steep turn performed at full power causes the tailplane to stall and pitch the aircraft…
• DSpinning the prerotator while airborne causes the rotor head to lock up.

Power Push-Over (PPO) in a gyroplane is primarily driven by which physical airframe configuration feature under low-G conditions?

• AA high engine thrust line located above the aircraft center of gravity (CG).
• BA low engine thrust line located below the aircraft center of gravity (CG).
• CAn excessively large vertical stabilizer and rudder.
• DA heavily weighted nosewheel assembly.

Which aerodynamic feature is installed on modern gyroplanes to help prevent Power Push-Over (PPO) by creating a downforce to counter high engine thrust moments?

• AAn appropriately sized horizontal stabilizer placed in the propeller slipstream.
• BAn electronic stability augmentation system that governs rotor RPM.
• CFull-span leading-edge slats mounted on the main rotor blades.
• DA forward-cambered ventral fin mounted under the cockpit.

If a gyroplane pilot experiences an inadvertent low-G condition (feeling weightless in the seat), what is the IMMEDIATE and correct pilot recovery action?

• ASmoothly apply aft cyclic control while simultaneously reducing engine power.
• BPush full forward cyclic and apply maximum engine power.
• CApply full left pedal and pull the rotor brake.
• DDisengage the throttle governor and execute a steep 60-degree bank turn.

Dynamic rollover in a gyroplane during ground operations requires three conditions to occur simultaneously:

• AA pivot point (such as a stuck wheel), a critical angle of bank, and rotor thrust/rolling…
• BFull engine power, zero rotor RPM, and tailwind component exceeding 25 knots.
• CA high nose attitude, locked rotor brake, and zero groundspeed.
• DUnbalanced main wheels, flat nose tire, and excessive prerotator belt slippage.

Static longitudinal stability in a gyroplane refers to:

• AThe initial tendency of the gyroplane to return toward its original trimmed pitch attitud…
• BThe time history of oscillations following a disturbance.
• CThe ability of the gyroplane to fly sideways without yawing.
• DThe rate of main rotor RPM recovery following an engine failure.

What is the primary factor limiting the maximum forward speed (Vne) of a high-speed gyroplane due to main rotor aerodynamics?

• ARetreating blade stall on the rotor disk.
• BEngine propeller tip cavitation.
• CExcessive tailplane downforce causing structural tail failure.
• DOver-speeding of the mechanical prerotation drive shaft.

Rotor blade coning angle increases when there is an increase in:

• ATotal aircraft weight or maneuver G-load (lift force) relative to centrifugal force.
• BRotor RPM at light aircraft gross weights.
• CEngine coolant temperature during climb.
• DBarometric pressure during low-altitude sea-level flight.

What is the principal operational purpose of a gyroplane prerotator system?

• ATo accelerate the main rotor to operational spin-up speed prior to takeoff roll, preventi…
• BTo power the main rotor continuously during steep climbouts.
• CTo drive the rotor blades backwards during ground maneuvering.
• DTo act as an emergency rotor brake during autorotational landings.

Prior to applying full takeoff engine power in a gyroplane, why MUST the pilot fully disengage the prerotator?

• ATo prevent mechanical damage to the prerotator drive clutch and eliminate engine torque r…
• BBecause the prerotator automatically reverses rotor rotation at high engine power.
• CTo allow the rotor brake to automatically lock the rotor head.
• DBecause engine power cannot exceed 1,000 RPM while the prerotator is connected.