Utility Helicopter 60 Black Hawk (UH-60S) Academics Exam 2 Practice

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• Which accessory module has a low oil pressure switch and chip detector?
• The beeper used below 50 KIAS to adjust heading is used to move which direction?
• What are the 5 basic subsystems that comprise AFCS?
• Which item is included in the Power Turbine Components?
• During starting, which condition would require the pilot to abort the start?
• When 1 or more of the FD functions have disengaged, the __ __ __ caution will appear
• Which system employs rate damping to improve helicopter stability?
• What does HMU stand for?
• If both the #1 hydraulic pump and the backup pump have failed, which hydraulic component remains pressurized?
• Torque and Overspeed Sensors color?
• In the compressor stators case, which vanes are variable?
• The fuzz burn-off feature is deactivated when oil temperature reaches how many degrees Celsius?
• Which option correctly lists the four signals used by the FCCs to position the Stabilator?
• Which sequence correctly describes how cockpit flight controls are transmitted to move the swashplate and tail rotor pitch?
• What is the effect of using variable compressor stator vane angles?
• The caution appearing on the EICAS indicates what?
• With engine anti ice activated how much maximum Q available should be produced?
• The rotor brake should never be applied under which condition?
• What is the primary purpose of the upturned exhaust on the helicopter?
• Backup Hydraulic Pump is driven by what?
• If both the #1 hydraulic pump and the backup pump fail, what maneuver is required?
• Which two components are driven by each accessory module?
• If a malfunction is detected in FPS, the __ __ legend appears on the EICAS display
• What component converts 115 VAC to 26 VAC?
• Which value defines the NP overspeed threshold used to trigger DEC shutoff?
• The Outer Loop of the AFCS is associated with which subsystem?
• Which component is explicitly listed as a Cold Section Module element?
• Operation of the submerged fuel boost pumps is limited to minimize operation with...
• Damage to the fuel system could result if refueling hose pressure exceeds __ PSI during pressure refueling or __ PSI during closed circuit refueling.
• On rotor brake equipped helicopters, operating an engine against gust lock is prohibited.
• Which item is NOT an Engine Module?
• TGT limiting is not available during which phase of operation?
• A RSVR 1 LOW caution indicates which reservoir condition?
• Which of the following is NOT a refueling method?
• The CPTR 1 and CPTR 2 controls are located on which panel?
• What component inside the transfer modules stops the leak if it is in the HYD pump?
• Where does the primary source of power come from for the DC Electrical System?
• Decreasing NR may be accompanied by a drop in transmission oil pressure of how many psi or more?
• The depressurization valve on the backup pump reduces output pressure during startup of which component?
• The ___ caution indicates the majority of AFCS has shut down
• Pitch control rod bearings are elastomeric and should be inspected for ____/____ on preflight.
• Which item is included in the Abort Start Criteria?
• Primary DC power is obtained from which components?
• Airframe Electrical Supply color?
• Outputs from cockpit controls are carried to the MMU through which component?
• How can a pilot attempt to clear AFCS cautions and advisories?
• If hydraulic pressure loss affects flight controls, which advisory could indicate loss of control authority?
• The FUEL 1 PRESS LOW caution indicates what condition?
• Which DEC function is available when the DEC is in lockout?
• NR above what percentage is unsafe for rotor brake application?
• What control is used for yaw axis control?
• What percentage threshold triggers the RSVR LOW caution?
• When gear box oil temperature reaches 140 degrees Celsius, which feature deactivates?
• Which component measures or senses fuel pressure in the UH-60S fuel system?
• In a scenario where the stabilator indicator shows yellow, what mode is the stabilator in?
• Which of the following are the three main inputs to the HMU that affect fuel flow to the combustor?
• The AC REF BUS DEGRAD advisory, with no loss of power indicates which condition?
• What does DEC stand for?
• What happens to the DC Primary buses if both DC converters fail?
• What are the 4 positions of the PCL?
• What indicates the stabilator uses pitch rate information to control the Stabilator?
• Oil pressure should remain steady in which psi range to keep fluctuations within the acceptable range?
• What is the purpose of the elastomeric bearing located within each main rotor spindle assembly?
• Which of the following is a stabilator caution?
• If the backup hydraulic pump fails to come on when the #2 hydraulic system fails, which caution illuminates?
• If the fuel filter clogs, which indicators or actions occur?
• The compressor stages include how many axial stages?
• If NG signal is lost, what happens?
• For FUEL 1 BYPASS and FUEL 2 BYPASS indications, what action is indicated?
• How are the main generators cooled?
• The MMU is designed to reduce which type of coupling in the flight control system?
• Stabilator Functions (SCALP) NOT a function?
• FUEL 1 LOW and FUEL 2 LOW warnings appear when fuel remains approximately how many pounds?
• LRUs stand for what?
• The NG section of the engine powers which device?
• Basic autopilot functions are provided by which of the following?
• Ignition System color?
• Turn coordination is available at or above which speed and in which axis?
• The APU's fuel supply is drawn from which source?
• Both main fuel tanks are in the ___ section of the aircraft.
• If the alternator power supply providing the NG signal is interrupted, which indication and audio will be affected?
• Where is the oil for the emergency oil system located?
• What component has built in safeties and controls the generators?
• Which component controls the operation of the APU?
• The compressor stages are primarily of which type?
• RSCR 1 LOW caution illuminates when?
• Which BIT caution appears if chip detectors fail?
• The #2 hydraulic system supplies pressure through the transfer module to which servos?
• What is the cooling method for the APU generator?
• What caution appears if a chip detector fails the PBIT?
• Where is the pedal adjust handle located?
• What does the SAS DEGRADED advisory mean?
• What does the STAB DEGRADED advisory mean?
• What are the 4 signals used by the FCCs to position the Stabilator?
• Which component serves as the engine metering unit in the UH-60S fuel system?
• Stabilator indicator references are provided by which electrical bus?
• The tail rotor lift percentage is approximately
• Which function of the DEC/EDECU is available when in DEC/EDECU Lockout?
• After the main generators, which power source is next in priority for AC power?
• With rotor brake applied, which interlock allows you to move the PCLs from idle to fly?
• Moving the SERVO OFF switch from NORM to 1st STG or 2nd STG will?
• Which event results in loss of the engine NG indication and activation audio?
• The Stabilator enhances handling qualities in which axis due to its design?
• The ___ is the only computer that can send signals to the Trim actuators?
• If a leak occurs in a pilot assist servo, which indication would not appear?
• Approximately how many pounds per hour does the APU consume?
• Where are the TAIL SERVO and BACKUP HYD PUMP switches located?
• Which component filters the fuel before it reaches the engine in the UH-60S fuel system?
• What is the service capacity for the engine oil?
• What is the primary purpose of the Mechanical Mixing Unit (MMU)?
• Which item is a Hot Section Module Component?
• If there is a leak in either stage of the primary servo and no corrective action is taken, what will be lost?
• In a tail rotor quad system, what is the described fault if one cable has snapped?
• What alerts the pilot when the No. 1 or No. 2 fuel filter is bypassed?
• The three control inputs connecting the primary servos to the main rotor swashplate are:
• What is a generator?
• During power-up initiated BIT, chip cautions should not appear. If one or more chip detectors fail, which BIT caution will appear?
• What legend appears on the EICAS display when FPS experiences a fault?
• Which statement best describes Stability Augmentation System characteristics?
• The Cyclic TRIM REL switch releases yaw trim in which axis?
• What is the standard fuel settling time?
• Which description correctly describes the Digital Electronic Control (DEC) in this system?
• During NP overspeed, fuel shutoff occurs at which component?
• The SAS DEGRADED advisory indicates that which condition has occurred?
• For missions longer than 6 hours, where should the engine oil level be?
• For the #1 engine, the TGT limiting range corresponds to which duration?
• Trim actuators respond to signals from which FCC?
• The Inlet Particle Separator is included in which group?
• Which statement correctly describes the data provided by the AC REF BUS for the stabilator?
• What is the central component of the AFCS systems?
• Abort during start if TGT reaches what temperature before idle is attained?
• How does the MMU minimize inherent control coupling?
• Which statement best describes the reason submerged boost pump operation is limited?
• How is a leak in the 1st stage primary servos isolated?
• Which component in the UH-60S fuel system moves fuel from the fuel tank toward the engine?
• What condition triggers the TAIL ROTOR QUAD FAIL caution?
• TGT will be displayed on the Power Pod when TGT indications are above normal operating range (above 793 degrees Celsius).
• Which of the following is a component of the UH-60S engine control system?
• What is the Type of Engine?
• With the Tail SERVO switch in BACKUP position, which tail rotor servo stage is pressurized?
• On the fuel system selector, what does the XFD position do?
• What fuel system component purges the fuel from the engine when the engine is shut down?
• If both cables broke, how will the tail be configured?
• In flight, the backup pump mode automatically sets to?
• What percentage of the combustible air supply is used for combustion?
• If the ENG STARTER ON caution remains after reaching idle, which action should be taken?
• Under what condition would the APU GEN ON advisory appear?
• The DEC input to the HMU is delivered through which mechanism?
• What is the power source for the Digital Electronic Control?
• What system will automatically shut off components if a leak is detected?
• What component purges fuel from the main fuel manifold on shutdown to prevent coking?
• The Red Cable represents which system?
• Which color cable provides Cockpit Indications?
• What provides the FCCs with pitch rate information for the Stabilator?
• Airframe Electrical Supply color?
• Which color cable provides Engine Electrical Supply?
• When will you see the APU GEN ON advisory?
• The PRIME BST PUMP ON advisory indicates what?
• When FPS is engaged, Trim performs __ __ functions in the pitch, roll, and yaw axis
• Which component directly shuts off fuel during NP overspeed?
• The WARNING associated with LOCKOUT states: Going to DEC/EDECU LOCKOUT to obtain additional power does not remove __ limits.
• Any significant AFCS failure that has caused the majority of the AFCS to shut down will be indicated by which caution?
• How many cautions are associated with the stabilator?
• Torque and Overspeed Sensors color?
• Which option is NOT one of the three main HMU inputs affecting fuel flow to the combustor?
• The engine driven fuel boost pumps are driven by ___?
• In CLAP, what does the letter A represent?
• The #1 Hydraulic system supplies hydraulic fluid through its transfer module to which servos?
• What caution appears when a coupled FD automatically decouples due to a failure?
• The MMU mechanically combines, sums, and couples cyclic, collective, and yaw inputs and provides proportional outputs to the main rotor and tail rotor systems.
• Are the DC converters redundant?
• The batteries will provide uninterrupted DC emergency power for approximately how long?
• Inlet Particle Separator is associated with which engine section?
• Auto-transformers provide power to which indicator?
• Which of the following is listed as a component of the UH-60S engine control system?
• Which option correctly lists the cross-feed function on the fuel selector?
• If the T/R SERVO 1 FAIL caution appears, what should automatically happen?
• Cyclic Grip is used to adjust which of the following?
• If only one tail rotor cable breaks, what level of aircraft control remains available to the pilots?
• The 2 cautions and one advisory associated with the Stabilator?
• What is the primary source of AC power?
• Which of the following is NOT a Power Turbine Component?
• With weight off wheels, the switch is typically in which position?
• The FUEL 1 LOW and FUEL 2 LOW cautions appear when?
• How is engine oil cooled in the UH-60S?
• How does the engine compensate for variable power demands from collective inputs?
• What does the TRIM BEEPER do?
• Which component provides cooling for engine oil via a liquid-to-liquid cooling method?
• Which SCALP function is described as smoothing airflow over surfaces?
• What does the HSP automatically prevent?
• What is the purpose of the main rotor blade dampers?
• Approximately how long will the batteries last as the sole source of DC power?
• Which statement is true about the stabilator position indicator powered by auto-transformers?
• What does the acronym TGT stand for?
• How do you recognize an engine compressor stall?
• Which statement describes the Outer Loop's relationship to AFCS subsystems?
• Which pump can supply hydraulic pressure to the tail rotor servo's second stage when the primary pump is failed?
• Fuzz burn is a feature that is available on all of the transmission chip detectors, but only the main module chip detector has
• If the PRI SERVO 2 FAIL caution appears, which component is affected?
• Engine Electrical Supply color?
• MMU outputs are proportional to which rotor systems?
• Which statement is true about the FUEL 1 BYPASS caution being reported?
• Where are both main fuel tanks located in the airframe?
• The engine-driven fuel boost pump mounted on the accessory module of the engine is driven by which section of the engine?
• Which is the correct pairing for pressure limits during refueling to avoid damage?
• If both tail rotor control cables fail, a centering spring will position the tail rotor servo linkage to provide __ of pitch.
• How many Lug Holes Engine Mount are listed for the diffuser case?
• Which AFCS subsystem provides autopilot capability to maintain the aircraft's flight path?
• Hydraulic Pumps 1 and 2 are driven by?
• The APU fuel is supplied from which main fuel cell?
• What prevents the two stages of the primary servos from being turned off simultaneously?
• What is the low fuel pressure threshold for the FUEL 1 PRESS LOW caution?
• The Intermediate and Tail gearboxes may run at cruise flight for up to how many minutes with loss of all oil?
• Which component is responsible for generator control and safety in the electrical system?
• Which of the following is NOT one of the four mechanical mixes provided by the MMU?
• Name the four mechanical mixes provided by the MMU.
• Reservoir Low Caution is triggered when fluid quantity is less than?
• The AC REF BUS provides what?
• If 1 SAS is turned off, what happens to the remaining SAS?
• What is a bus?
• TGT limiting will not be provided during which of the following conditions?
• Appearance of the BOOST SERVO OFF caution indicates what?
• Why is the depressurization valve only connected on the Backup Pump?
• Through which path does the PCL provide its input to the HMU?
• Which SAS channels are affected by the SAS DEGRADED advisory?
• What percent of MAX TQ would you lose if you lost AC power?
• What controls the variable geometry?
• During rotor brake shutdown, the operation must be completed in not less than how many seconds?
• In lockout, how is engine power limited?
• If the FUEL 1 BYPASS caution appears, what is wrong with the fuel system?
• During lockout, which DEC function remains available?
• If both tail rotor cables break, how do pilots control yaw?
• What does PAS stand for in the UH-60S aircraft?
• With cockpit door gunner heater on, by how much should maximum Q available be reduced?
• Which of the following is a characteristic of the UH-60M rotor system?
• What is the fuel settling time?
• Why does the fuel system operate on negative pressure?
• What NAV radio is covered in a warning that could possibly harm personnel?
• With 1 engine operating, what Ng must be maintained to crossbleed start the other?
• The T/R Quad Fail caution indicates loss of control due to which event?
• The fluid quantity switch on the hydraulic pump module activates the RSVR LOW caution indicating which condition?
• A STAB DEGRADED advisory indicates that the stabilator is in which mode and has reduced functionality?
• During normal operation, which component serves as the primary source of DC power for the DC electrical system?
• During the start sequence, within what time frame should RPMs reach applicable value to be considered acceptable?
• Engine out audio and warning indicators are triggered by which combination of engine parameters?
• How many stages of the primary servos can be turned off using SERVO OFF?
• Which SCALP function relates to angle between wing and airflow?
• If both FUEL 1 PRESS LOW and FUEL 2 PRESS LOW cautions appear, what is possible? Do not make rapid collective movements.
• The tail rotor is mounted on the right side of the tail pylon and cant upward by how many degrees?
• Which statement best describes the function of the main rotor blade dampers?
• At what Ng should the starter caution disappear?
• If both DC converters fail, which buses would be lost?
• The Scroll Case is listed after the IPS 3 engine frames in the source as a component of which group?
• When the fluid in the #1 hydraulic pump reaches 60% remaining, what caution appears?
• Dynamic stability is provided by which system?
• Which component allows heat transfer from the engine oil to the fuel?
• Engine power control levers are blocked from being advanced past the idle position when the rotor brake is engaged. Which statement best reflects this?
• One advantage of the wide-chord rotor blades is:
• Which of the following is NOT a Hot Section Module Component?
• The main transmission is made up of how many modules?
• What does the backup pump supply pressure to?
• The APU draws its fuel from where?
• If the backup hydraulic pump fails to come on, what is your immediate action?
• What is considered a low fuel level?
• Which of the following is NOT one of the five basic AFCS subsystems?
• Which computer is the source of trim actuator signals?
• Which statement correctly distinguishes A/S limits for Hydraulic System INOP under VMC vs IMC?
• Which statement correctly differentiates a current limiter from a circuit breaker?
• Which of the following statements about the UH-60M UES is true?
• What are the indications for DUAL GEN FAIL?
• Which SCALP function relates to rate of pitch change?
• What is the purpose of the dampers?
• What should you do if the starter fails to drop off?
• Which function is described as being provided by the Digital Electronic Control?
• Engine-out indicators are signaled by which of the following?
• Which statement about the upturned exhaust is true?
• In CLAP, what does the letter L represent?
• What type of Stability is Static associated with short or long term?
• NG is displayed when NG exceeds what value?
• Which device provides the primary source of DC power in the DC electrical system?
• The Collective Trim beeper can be used below 50 KIAS, about the yaw axis to adjust ___
• Which of the following is a stabilator advisory?
• Which component located in the utility module isolates a leak in the APU Accumulator?
• Why is Collective/Airspeed to Yaw mixing completely phased out when the airspeed exceeds 100 knots?
• To release Yaw Trim above 50 knots press the pedals switch and the ___ switch?
• Which AFCS subsystem is primarily responsible for automatic stability augmentation, especially for roll and yaw?
• For normal shutdown operations of the rotor brake, what NR condition is specified as the maximum?
• AC REF BUS DEGRAD occurs when which condition?
• Outputs from cockpit controls are carried by mechanical linkage through the pilot assist servos to which unit?
• Under what condition will the TGT be displayed on the Power Pod?
• The 30-second delay is a characteristic of which chip detector?
• Malfunctions in anti-ice can cause what % decrease in pressure?
• The NP parameter is described as which?
• The Main Frame is part of which group?
• Where is the engine-driven fuel boost pump mounted?
• What is the Backup Pump driven by?
• The severity of vibrations can usually be minimized by
• Which statement best describes the primary advantage of wide-chord rotor blades?
• The High Turbine Gas Temperature (TGT) limiting setpoint is at what temperature?
• How is the swashplate moved in the UH-60S control system?
• When does the DEC receive the NP overspeed signal and shut off the fuel?
• Which device receives the combined input from trim actuators and pilot assist servos to drive the primary servos?
• The intermediate and tail gear box may run at cruise flight for how many minutes, with loss of all oil?
• The tail rotor provides approximately what lift?
• Which Flight Control Computer sends trim actuator commands?
• Which component prevents movement of engine power levers from idle to fly when rotor brake is applied?
• Fuel flow shutoff during an NP overspeed occurs at which location?
• If a leak exists in the primary servo and no action is taken, which component is lost?
• Which of the following is NOT an HMU input affecting fuel flow to the combustor?
• The Stabilator alerts include two cautions and one advisory. Which is the correct trio?
• Which items are listed under Hydraulic Pumps?
• How long can the #1 and #2 batteries provide power?
• In the helicopter's oil system, which component bypasses high pressure during cold starts?
• A malfunction of an intermittent nature may be cleared by pressing which switch on the AFCS panel?
• Which is a Power Turbine Component?
• A/S Limit 2 hydraulic systems INOP IMC value?
• The stabilator is a variable angle of incidence airfoil that enhances handling qualities in which axis?
• The NG parameter is described as which of the following?
• During rotor brake shutdown, what hydraulic pressure is applied?
• What are the #1 and #2 hydraulic pumps mounted to and driven by?
• The FUEL 2 PRESS LOW caution indicates what condition?
• In the CLAP acronym, what does the letter C represent?
• The AFCS enhances the stability and handling qualities of the helicopter and, with FPS, provides what?
• Which statement about the UH-60M UES is true?
• Which device receives pressure from the backup pump for actuation of the 2nd stage tail rotor servo?
• What is considered a low fuel level in pounds?
• What is the function of the Mechanical Mixing Unit (MMU) in relation to tail rotor control?
• Which component minimizes inherent control coupling?
• If all MFDs are off except the pilots' inboard MFD and the EICAS shows GEN 1 FAIL and GEN 2 FAIL, what emergency is indicated?
• What voltage levels are provided by the UH-60M's main AC generators?
• A/S Limit 2 hydraulic systems INOP VMC value?
• Which item is NOT an IPS 3 engine frame?
• What is the significance of the 'TGT exceeds 851 % TOT' criterion in abort start?
• What has priority over windshield anti-ice when APU GEN is sole source of power?
• Ignition System color?
• On which panel can you find both the TAIL SERVO and BACKUP HYD PUMP switches?
• Which component is used for yaw axis control of the aircraft?
• Which combination of conditions fulfills normal rotor brake shutdown requirements?
• The rotor brake solenoid prevents movement of which from idle to fly?
• What type of cooling do the main AC generators use?
• If a circuit breaker is found popped during CB checks, what should the pilot do?
• IPS 3 engine frames include which of the following frame types?
• What is the role of pilot assist servos?
• How is the electrical system redundant?
• How are main generators different from the APU generator?
• What is the purpose of the APU Accumulator?
• The stabilator with a yellow indicator is signaling which mode?
• AFCS is a computer system comprised of Sensors, Processors, and which component?
• Which of the following items is included in the Abort Start Criteria?
• Which switch on the AFCS panel is used to clear an intermittent malfunction?
• How does the cockpit receive the NG signal?
• What is the order of priority for power sources?
• What is the purpose of the Variable Geometry actuation system?
• Which condition yields the lowest A/S limit among listed hydraulic-inop scenarios?
• How many generators are required during blade deice operations?
• If there is a leak in the #1 primary servos and no pilot action is taken, what is the final advisory?
• What does the Elastomeric Bearing do?
• Loss of cooling oil supply will lead to electrical and/or mechanical failure of which component?
• A pilot assist servo leak would impact which advisory status?
• A RSVR 1 LOW warning indicates which condition?
• What are the 2 operational sections of the engine?
• Which component is designated as the overspeed and drain valve in the UH-60S fuel system?
• A/S Limit 1 Hydraulic Pump INOP value?
• In flight control terms, what does the AFCS provide when FPS is engaged?
• NG to idle speed is greater than what percentage?
• Which of the following is a Gas Generator Rotor?
• Which component provides primary DC power from the AC sources?
• What is the purpose of the stabilator?
• How does the switch behave when weight off wheels?
• PTO stands for what?
• Prior to turning on the APU Generator what should the pilot do?
• In a T/R Quad Fail caution, with loss of control, which component positions the tail rotor servo linkage?
• If flights of over how many hours are made, engine oil level must be at the full line of the sight glass before flight?
• At what NP percentage does the DEC receive the overspeed signal and shut off fuel?
• In CLAP, what does the letter P represent?
• MMU reduces inherent control coupling between which elements?
• What are the two ways a stabilator can fail?
• In the same failure scenario, which system remains intact to provide limited tail rotor control?
• Identify the three control inputs that connect the primary servos to the main rotor swashplate.
• What is the function of the TRIM REL control?
• All MFDs failed except MFD #3, which condition is indicated?
• Which cockpit control has a telescoping extend/retract feature?
• If engine anti-ice is activated and cockpit door gunner heater is on, by how much should the maximum Q available be reduced?
• What does the Main Fuel Manifold house in the UH-60S fuel system?
• Which statement is true about primary DC power sourcing?
• In the UH-60S control system, which device blends pilot input with trim adjustments before sending commands to the primary servos?
• During DEC/EDECU lockout, which engine protection feature remains active?
• In a tail rotor quad system, which statement describes a fault where one cable has snapped?
• The primary source of AC power for the UH-60M is provided by which arrangement?
• What drives the accessory gear box?
• Where does the engine receive its electrical power?
• Each accessory module drives both which two components?
• Where does the engine receive its electrical power from?
• The APU accumulator provides hydraulic charge to which component?
• Which oil pressure range should be used to keep fluctuations within the acceptable range?
• NG signal is derived from which component of the alternator?
• The STAB DEGRADED advisory indicates the stabilator control has reverted to which mode?
• The MAIN XMSN OIL HOT caution indicates overheating in which system area?
• The Trim actuators are controlled by which Flight Control Computer?
• Which caution appears to indicate a failure that affects both SAS 1 and SAS 2 or that hydraulic pressure is below minimum?
• If a dual converter failure occurs, which busses would be without power?
• Which SCALP function relates to lateral movement of the aircraft?
• What is the frequency of the UH-60M's main AC generators?
• Loss of both the #2 hydraulic pump and the backup pump would result in the loss of which tail rotor servos?