Landing Gear and Brakes Practice Test

These questions are part of the practice quiz. Start practicing

• What is the purpose of the DN LOCK RLS button on the landing gear lever?
• Touchdown protection deactivates 3 seconds after WOW senses ground or wheel speed exceeds what threshold?
• Which light indicates the aircraft is ready for nosewheel towing when at the nose gear?
• Which statement best describes VLE?
• _____ prevents tire skidding and ensures maximum braking efficiency.
• How do the landing gear doors actuate?
• How does an aircraft anti-skid system contribute to landing safety?
• What is the maximum gear retraction speed (VLO)?
• What indicators confirm that the landing gear is down and locked on most aircraft?
• What is the purpose of steering lockout at high speed in nose gear systems?
• The nosewheel steering system is electronically controlled and hydraulically actuated. Which statement best describes steer-by-wire?
• During wheel and tire inspections, why is it important to verify studs/bolts integrity?
• For high-speed steering on the ground, which steering mode is used?
• What is the consequence of a failure to properly interlock the gear doors with the extension/retraction cycle?
• What action does the steering runaway memory item require first?
• Why is proper wheel nut torque critical?
• For an aircraft with standard winglets, the minimum turn radius obstruction clearance path is determined by which part of the airplane?
• What color is the Down and Locked indication for landing gear on the EICAS?
• What are the typical checks for a failed gear warning system?
• Which of the following statements about VLO and VLE is accurate?
• For an aircraft with enhanced wingtips, the minimum turn radius obstruction clearance path is determined by which part of the airplane?
• Which components verify that the landing gear is down and locked?
• How many full brake applications will the parking/emergency brake accumulator provide?
• List common causes for a gear failure to extend normally and require alternate extension.
• What is the function of the red guarded steering switch on the forward ramp panel?
• How does vertical landing gear load affect wheel tread wear and tire life?
• During brake system maintenance, which sensors are typically verified for proper operation?
• Under what wheel-speed condition does anti-skid operate to reduce brake pressure?
• Where is the GPT typically located and what does it do?
• If the brake indicator pins are flush, the brakes are within acceptable limits.
• If you use the Electrical Override, how does the sequence compare to normal operation?
• When is locked wheel protection deactivated?
• What are wheel speed sensors used for in aircraft braking systems?
• What factors influence brake temperature during and after landing, and what are consequences of overheating?
• Why is it important to follow torque values for wheel bolts in landing gear?
• Which method best secures the parking brake against unwinding on the ground?
• What does the EMER/PRKG BRAKE light indicate?
• What does anti-skid provide?
• The Main Landing Gear (MLG) is held in the up and locked position by which component?
• How is landing gear extension checked during a preflight walkaround?
• What is the purpose of the gear down-and-locked warning light or horn?
• What indicates improper gear alignment or clearance on retraction?
• What is the maximum gear extended speed (VLE)?
• Which item is not typically checked during a landing gear tire preflight inspection?
• What is a common preflight check to ensure there are no foreign objects in the landing gear well?
• Which data would you gather post-flight to assess landing gear performance?
• In a hydraulic braking system with anti-skid, what would a false anti-skid activation indicate, and what would you check?
• How does an anti-skid system protect against wheel lock under heavy braking?
• Which hydraulic systems provide brake pressure?
• How do you know that the parking brake is set?
• What is the difference between Skydrol and MIL-H-5606 in terms of fire resistance and handling?
• Inconsistent gear position indications during landing gear extension most likely indicate?
• Why must gear doors be interlocked with the gear extension/retraction cycle?
• Which condition will cause the landing gear aural warning to not be silenced when the SLAT/FLAP lever is in a landing position (5 or FULL)?
• How does a dual hydraulic system for landing gear improve safety?
• What does a red icon indicate on the landing gear position indicator?
• What disengages the rudder pedal steering?
• Describe a typical post-landing gear inspection for hydraulic lines and fittings.
• What is the recommended procedure when a gear door is misaligned after landing?
• How do main gear doors differ from nose gear doors in terms of function and arrangement?
• Which of the following describes one of the conditions in which the landing gear aural warning cannot be silenced?
• Which module receives brake requests in a Brake by Wire system?
• How is the nosewheel steering angle limit affected by wheel speed?
• Which of the following is NOT a typical inspection item for wheel and tire assemblies?
• What is the purpose of a door-to-gear interlock switch?
• Which hydraulic system controls the nosewheel steering?
• What conditions must be met for the autobrakes to engage during a rejected takeoff?
• In the landing gear retraction sequence, what happens immediately after uplocks engage to lock the gear in the stowed position?
• What is the primary purpose of a post-overhaul functional test for the brake system?
• What are the steps included in an emergency gear extension procedure?
• If an anti-skid sensor fails, how might the braking system behave?
• What are common signs of a failed uplock indicator?
• What is the primary purpose of a gear retraction cycle test?
• What are the key considerations when planning a brake system overhaul on a transport aircraft?
• Which of the following would indicate hydraulic line chafing or pinching near the gear well?
• What is the purpose of the gear position transducer (GPT) and where is it typically located?
• Describe the normal landing gear extension mode: What does the gear lever down do?
• During diagnostic checks, how should actuator movement be evaluated in relation to gear door position?
• In a typical landing gear retraction sequence, which order is correct?
• During the after-start check, what confirms the rampers' steering disconnect switch is down and guarded?
• How is the landing gear extended and retracted?
• What is the purpose of brake wear indicators, and how are they checked?
• What keeps the gear down and locked in position?
• What is a gear retraction cycle test and what would indicate a deficiency?
• What is the correct sequence for manual gear extension on most transport-category aircraft?
• In a Brake by Wire system, what is the role of pedal position transducers?
• What color is the Up and locked indication for landing gear on the EICAS?
• Which component readings are checked when testing anti-skid systems?
• Which mechanism is described as holding the Main Landing Gear in the up and locked position?
• What does VLE define in terms of gear state?
• Which statement describes the first aural warning condition for landing gear that cannot be silenced?
• When would you use the Electrical Override switch?
• Which conditions are required to cause the green towing light on the nose gear to illuminate?
• What is the difference between disc brakes and drum brakes in typical aircraft usage?
• Between the E170 and E175, which aircraft has the larger 180-degree turn radius?
• When should hand wheel steering mode be used?
• What are three landing gear extension modes?
• What are potential consequences of brake overheating during landing?
• What steps are involved in testing the anti-skid control unit?
• What role does parking brake play in an aircraft braking system and how is it secured?
• What color is the in transit indication for landing gear on the EICAS?
• What maintenance action should be taken if you observe corrosion on wheel rims or bearing housings?
• Which statement best describes how to document corrosion findings on wheel rims or bearing housings?
• What items should be checked on the landing gear tires during a preflight inspection?
• Which of the following is a sign of improper gear alignment?
• How should a suspected gear lever malfunction be tested safely?
• What is the general procedure for bleeding an aircraft hydraulic system after a gear maintenance event?
• What is the purpose of landing gear door interlocks?
• Which component primarily dampens nose wheel oscillations to prevent shimmy?
• In the extension sequence, which step follows the gear rotating down from the stowed position?
• Activation of the DN LOCK RLS button is prohibited for all takeoffs unless what condition is met?
• Which condition indicates brakes are within acceptable limits?
• What is the turn radius for 180-degree turn on the E170?
• What does Locked Wheel protection provide?
• Turn radius values are given in which units?
• What mechanism is commonly used in a parking brake to hold pressure when engaged?
• What color is the Gear position and lever disagreement indication on the EICAS?
• Taking off with AMBER brake temperature indications is allowed.
• If hydraulic systems 1 and 2 fail, can the aircraft still be stopped using the parking brake?
• If manual extension is required due to hydraulic system limitations, what is the recommended action?
• Which component failure could cause nose gear steering loss in flight?
• What is the typical effect of hydraulic fluid contamination on landing gear operation?
• What is the function of the wheel brake master cylinder in a hydraulic braking system?
• Which measures can improve brake cooling on commercial aircraft during long descents?
• How are tire pressures checked on the ground during routine maintenance, and what is a critical concern?
• Setting the autobrake selector knob to OFF will do what?
• During Alternate gear extension, the gear extends by freefall when what condition is met?
• During a gear inspection, which items would you inspect on wheel and tire assemblies?
• What is shimmy on landing gear and how is it controlled?
• Which brakes are powered by Hydraulic System 2?
• What is shimmy, and how is it mitigated in the nose wheel?
• The Electrical Override bypasses which module to command gear extension?
• What is the function of the parking brake in most aircraft?
• During a rejected takeoff, autobrake engagement requires the wheels to reach a minimum speed of at least how many knots?
• How does the parking brake differ from the regular brake system in terms of hydraulic circuits?
• When is the anti-skid system deactivated?
• Which step confirms a successful hydraulic bleed after gear maintenance?
• The nosewheel steering system is __________ controlled __________, actuated steer-by-wire system.
• What is the purpose of a relief valve in the hydraulic system?
• Which hydraulic system powers the outboard brakes?
• Activation of the DN LOCK RLS button during takeoff is permitted only when it is required for obstacle clearance. Which statement best describes this constraint?
• In a hydraulically actuated landing gear extension, what is the correct standard sequence?
• Which statement best distinguishes an oleo strut from a hydraulic actuator in landing gear systems?
• Which action disengages the rudder pedal steering?
• Which of the following is not an listed extension mode?
• Which component prevents door opening when the gear is up?
• Why is gear up/down indication critical during flight, and what could occur if it fails?
• What might cause a gear door to remain open after gear is lowered?
• What is a typical consequence of a damaged or displaced gear door on aircraft performance?
• What maintenance action is warranted if you observe hydraulic fluid leakage from around the oleo strut?
• Which indications are required to be safe to pushback?
• What is the purpose of down-lock indicators on landing gear?
• What indicators show that the landing gear is down and locked?
• Can the landing gear aural warning be silenced by pressing the LG WRN INHIB button?
• What is the turn radius for 180-degree turn on the E175?
• Under what conditions is alternate gear extension used?
• During maintenance or parked, when is a ground lock installed on the landing gear?
• What checks are performed during a post-maintenance gear cycle test?
• Which gear speed parameter governs the maximum speed with the gear extended?
• Which statement accurately reflects the gear speed limits stated?
• Hydraulic System(s) power the brakes?
• There is anti-skid protection when using the emergency brake.
• What is the maximum gear extension speed (VLO)?
• How can a pilot or maintainer distinguish between a hydraulic system fault and a mechanical jam in the gear?
• What is the recommended action if a landing gear is suspected to be jammed due to a foreign object or misalignment?
• During preflight, what should be checked about access doors in gear wells?
• Can the parking brake be used to stop the aircraft if you lose hydraulic systems 1 and 2?
• How can you verify that the rampers left the steering disconnect switch on the ground service panel in the down and guarded position?
• Compare common hydraulic fluids used in landing gear systems and one key property for each.
• Describe the typical sequence of events during a standard landing gear retraction in a tricycle-gear airplane.
• Which statement best describes the function of the wheel/brake assembly?
• If a landing gear warning horn sounds on approach with gear not down, what is the recommended action?
• If hydraulic pressure is lost, which mechanism provides a means to extend the gear?
• What is the role of hydraulic accumulators in a braking system?
• What is the significance of hydraulic reservoir levels and air venting in landing gear systems?
• What is the primary purpose of a nose-wheel steering lockout at high speeds?
• What instrument or indicator signals a hydraulic system pressure loss that could affect gear operation?
• What is the function of a nose gear steering damper?
• What is the function of the uplock in landing gear?
• What is alternate (manual) landing gear extension, and when would it be used?
• In a Brake by Wire system, which component sends brake requests to the Brake Control Module?
• What is a typical symptom of a gear not fully down and locked?
• Which statement correctly describes Skydrol and MIL-H-5606 in landing gear systems?
• What is the role of the retract/extend actuator in a landing gear system?
• During Alternate gear extension, what condition is necessary for three green indications on EICAS?
• Which of the following is an example of mechanical interference that could prevent gear from extending?
• What is the maximum tire ground speed?
• Describe the Alternate gear extension mode: What happens?
• What is a ground lock and when is it used?
• After performing manual extension, which should be checked to confirm the gear is fully extended and locked?
• What is the role of torque links in a main landing gear, and what symptom indicates wear?
• Why is it important to verify that doors are not fouled during preflight checks?
• What is the primary purpose of the landing gear oleo strut?
• What is the memory item for steering runaway?
• When would you use the Alternate gear extension procedure?
• Which speed corresponds to the maximum tire ground speed in this context?
• What is the purpose of performing a brake bleed after maintenance?
• What action is specified by the steering runaway memory item?
• Where is the red guarded steering switch located?
• During a preflight check, what is the purpose of verifying that there is no fluid leakage around the gear area?
• Alternate gear extension uses which power sources?
• What would a post-flight visual inspection most likely detect that indicates a hydraulic leak in the gear system?
• What is the purpose of jacking points and safety blocks when performing landing gear maintenance?
• What best describes Brake by Wire actuation?
• Which of the following is a potential effect of a damaged gear door on flight performance?
• How do you engage the nosewheel steering system?