Assembly & Rigging Flashcards
Which of the following statements is not true in regards to high-speed aerodynamics?
A. High-speed aerodynamics are often called compressible aerodynamics and a special branch of study of aeronautics.
B. The compression effect becomes more important as speed decreases.
C. Mach number is the ratio of the speed of the aircraft to the local speed of sound.
B. The compression effect becomes more important as speed decreases
What configuration of a rotary-wing aircraft has two horizontal rotors that provide both lift and directional control?
A. Autogiro
B. Single rotor helicopter
C. Dual rotor helicopter
C. Dual rotor helicopter
Which type of rotor system has more than two blades and allows movement of each individual blade in three directions?
A. Rigid rotor
B. Fully articulated rotor
C. Semirigid rotor
B. Fully articulated rotor
The auxiliary (tail) rotor of a helicopter permits the pilot to compensate for and/or accomplish which of the following?
A. Attitude and airspeed
B. Lateral and yaw position
C. Torque and directional control
C. Torque and directional control
Which statement is correct concerning torque effect on helicopters?
A. As horsepower decreases, torque increases.
B. Torque direction is the opposite of rotor blade rotation.
C. Torque direction is the same as rotor blade rotation.
B. Torque direction is the opposite of rotor blade rotation
A helicopter in forward flight, cruise configuration, changes direction by
A. varying the pitch of the main rotor blades
B. changing rotor RPM
C. tilting the main rotor disk in the desired direction
C. tilting the main rotor disk in the desired direction
Regarding gyroscopic forces, the movement of the cyclic pitch control changes the AOA of each blade an appropriate amount so that the end result is the same in what type of rotor system?
A. One-blade rotor system.
B. Two-blade rotor system.
C. Three or more blade rotor system.
C. Three or more blade rotor system
What helicopter flight condition is also known as the law of conservation of angular momentum?
A. ground effect
B. coriolis effect
C. translating tendency
B. coriolis effect
__________ is the differential lift between advancing and retreating halves of the rotor disk caused by the different wind flow velocity across each half.
A. Dissymmetry of lift
B. Translational lift
C. Effective translational lift
A. Dissymmetry of lift
A freewheeling unit is used in which form of helicopter flight
A. forward flight.
B. hovering flight.
C. autorotation.
C. autorotation
The rotorcraft control device that senses rotor and engine RPM and makes the necessary adjustments in order to keep rotor RPM constant is
A. throttle control.
B. swash plate assembly.
C. governor.
C. governor
Movement about the longitudinal axis (roll) in a helicopter is effected by movement of the
A. cyclic pitch control.
B. collective pitch control.
C. tail rotor pitch control
A. cyclic pitch control
Movement about the lateral axis (pitch) in a helicopter is effected by movement of the
A. collective pitch control.
В. cyclic pitch control.
C. tail rotor pitch control.
В. cyclic pitch control
Which helicopter stabilizer system reduces the pilot workload by improving basic aircraft control harmony and decreasing disturbances?
A. offset flapping hinge
B. bell stabilizer bar system
C. stability augmentation system
C. stability augmentation system
If a helicopter is said to have a vibration of 4/rev to 6/rev, which frequency vibration type would it be?
A. low frequency vibration
B. medium frequency vibration
C. high frequency vibration
B. medium frequency vibration
The purpose in checking main rotor blade tracking is to determine the
А. extent of an out of balance condition during rotation.
B. flight path of the blades during rotation.
C. relative position of the blades during rotation.
C. relative position of the blades during rotation.
Which type of blade tracking is accomplished with tracking tip cap reflectors and a strobe light?
A. electronic blade
B. flag and pole
C. marking method
A. electronic blade
Which tail rotor tracking method utilizes a six-inch piece of rubber hose attached to the end of a 1/2 × 1/2 inch pine stick or flexible device?
A. electronic method
B. marking method
C. neither
B. marking method
Main rotor blades that do not cone by the same amount during rotation are said to be out of
A. balance
B. collective path
C. track
C. track
Which helicopter engine gets its name from the back-and- forth movement of its internal parts?
A. powerplant
B. turbine engine
C. reciprocating engine
C. reciprocating engine
Out of the list below, which component(s) are not part of the helicopter transmission system?
1. freewheeling unit
2. main rotor transmission
3. reciprocating engine
4. clutch
5. tail rotor drive system
A. 1 and 5
B. 3
C. 1 and 2
B. 3
One purpose of the freewheeling unit required between the engine and the helicopter transmission is to?
A. disconnect the rotor from the engine to relieve the starter load.
B. automatically disengage the rotor from the engine in case of an engine failure.
C. permit practice of autorotation landings.
B. automatically disengage the rotor from the engine in case of an engine failure
What is the purpose of the freewheeling unit in a helicopter drive system?
A. It releases the rotor brake for starting.
B. It relieves bending stress on the rotor blades during starting.
C. It disconnects the rotor whenever the engine stops or slows below the equivalent of rotor RPM.
C. It disconnects the rotor whenever the engine stops or slows below the equivalent of rotor RPM
A tail-heavy condition that causes undesirable flight performance and is not usually allowed is referred to as
A. static underbalance.
B. dynamic balance.
C. static overbalance.
A. static underbalance
After repairing or recovering a rudder, the surface should be rebalanced
A. in its normal flight position.
B. to its span wise axis.
C. to manufacturer’s specifications.
C. to manufacturer’s specifications
Other than the manufacturer maintenance manual what other document could be used to determine the primary flight control surface deflection for an imported aircraft that is reassembled after shipment?
A.The certificate of airworthiness issued by the importing country.
B. import manual for the aircraft
C. aircraft type certificate data sheet
C. aircraft type certificate data sheet
Which manual would be used to locate the “Life limits” of a product or its components that must be complied with during inspections and maintenance?
A. Structural Repair Manual (SRM)
B. Maintenance Manual
C. Manufacturer’s Service Information
B. Maintenance Manual
When a control cable is properly rigged, which cable system installation item is the small extra push that is needed for the flight deck control to hit its mechanical stop?
A. cable connectors
B. spring-backs
C. turnbuckles
B. spring-backs
Where would you find precise information to perform a symmetry alignment check for a particular aircraft?
A. Aircraft Specification or Type Certificate Data Sheet
B. Manufacturer’s service bulletins
C. Aircraft service or maintenance manual
C. Aircraft service or maintenance manual
Which statement about Airworthiness Directives (AD’s) is true?
A. Compliance with an AD is not mandatory unless the aircraft affected is for hire.
B. AD’s are information alert bulletins issued by the airframe, power plant, or component manufacturer.
C. Compliance with an applicable AD is mandatory and must be recorded in the maintenance records.
C. Compliance with an applicable AD is mandatory and must be recorded in the maintenance records
Where would you find the operating conditions that make a 100-hour inspection mandatory?
A. 14 CFR part 91.
B. 14 CFR part 43 C.
C. AC 43.13-2B.
A. 14 CFR part 91
Large airplanes and turbine-powered multiengine airplanes operated under Federal Aviation Regulation Part 91, General Operating and Flight Rules, must be inspected
A. in accordance with a continuous airworthiness maintenance program (camp program) authorized under Federal Aviation Regulation Part 91, Subpart E.
B. in accordance with the progressive inspection requirements of Federal Aviation Regulation
Section 91.409(d).
C. in accordance with an inspection program authorized under Federal Aviation Regulation Part 91, Subpart E.
C. in accordance with an inspection program authorized under Federal Aviation Regulation Part 91, Subpart E
Which inspection program is contained in the “Instructions for Continued airworthiness” required under 14 CFR part 23, section 23.1529 and part 25, section 25.1259?
A. 100-hour inspection
B. progressive inspection
C. manufacturer’s inspection
C. manufacturer’s inspection
Each static pressure system, altimeter instrument, and automatic pressure altitude reporting system, must be tested and inspected of an airplane or helicopter that was operated in controlled airspace under instrument flight rules (IFR) within the preceding calendar months.
A. 12
B. 18
C. 24
C. 24
If a person used an air traffic control transponder within the 24 calendar months preceding and had maintenance performed on the ATC would have to have an inspections according to
A. 14 CFR Part 43, Appendix F.
B. 14 CFR Part 43. Appendix E.
C. Both 14 CFR Part 43, Appendix E & F.
C. Both 14 CFR Part 43, Appendix E & F
In accordance with Emergency Locator Transmitter (ELT) Operational and Maintenance
Practices, which of the following statements are not true?
A. Most small U.S. registered civil airplanes equipped to carry more than three persons must have an ELT attached to the airplane.
B. Testing of an ELT prior to installation or for maintenance reasons, should be conducted in a metal enclosure in order to avoid outside radiation by the transmitter.
C. The battery replacement can be accomplished by a pilot on a portable type ELT that is readily accessible and can be removed and reinstalled in the aircraft by a simple operation.
A. Most small U.S. registered civil airplanes equipped to carry more than three persons must have an ELT attached to the airplane
Where would you find the recommended statement for recording the approval or disapproval for return to service of an aircraft after a 100-hour or annual inspection?
A. 14 CFR Part 65
B. 14 CFR Part 43
C. 4 CFR Part 91
B. 14 CFR Part 43
Which aircraft inspection and maintenance program is an operator develop program tailored to their particular needs to satisfy aircraft inspection requirements?
A. AAIP
B. FAA FSDO
C. CAMP
A. AAIP
Which regulation applies to airplanes having a seating capacity of 20 or more passengers or a maximum payload capacity of 6,000 pounds or more?
A. Title 14 CFR part 125, section 125.247
B. Continuous Airworthiness Maintenance Program (CAMP)
C.Title 14 CFR part 91
A. Title 14 CFR part 125, section 125.247
Which of the following additional components for rotorcrafts are required by a person completing an inspection under 14 CFR part 91 in accordance with the maintenance manual?
1. The drive shaft or similar systems.
2. The main rotor and center section (or the equivalent are.
3. The auxiliary rotor.
4. The main rotor transmission gear box for obvious defects.
A. 1, 2, and 3
B. All of the above
C. 2, 3, and 4
B. All of the above
If you are operating under an Experimental certificate for a light-sport aircraft, weight-shift control aircraft or a powered parachute, what type of inspection is required?
A. Annual inspection
B. Condition inspection once every 12 months
C. 100-Hour inspection
B. Condition inspection once every 12 months
Before a annual inspection, an initial run up is conducted to check rigging of
1. full power and idle rpm.
2. positive switch grounding.
3. fuel mixture check.
A. 1 and 3
B. 2 only
C. 1, 2, and 3
C. 1, 2, and 3
