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The Boeing 737 MAX is the third generation of the Boeing 737, succeeding the Boeing 737 Classic.
Answer: False
Explanation: The Boeing 737 MAX represents the fourth generation of the Boeing 737, directly succeeding the Boeing 737 Next Generation, not the Classic series.
One of the primary technical improvements in the Boeing 737 MAX includes the use of more efficient CFM International LEAP engines.
Answer: True
Explanation: The integration of more efficient CFM International LEAP engines is indeed a primary technical improvement in the Boeing 737 MAX, contributing to its enhanced performance.
The Boeing 737 MAX program was officially announced in December 2010, coinciding with the launch of the Airbus A320neo.
Answer: False
Explanation: The Boeing 737 MAX program was officially announced in August 2011, not December 2010.
Boeing's initial consideration for replacing the 737 in 2006 was to develop a 'clean sheet' design, a completely new aircraft.
Answer: True
Explanation: In 2006, Boeing indeed considered a 'clean sheet' design to replace the 737, which would have been an entirely new aircraft platform.
The re-engined 737 MAX was initially expected to burn 14.5% less fuel than its predecessor.
Answer: False
Explanation: The re-engined 737 MAX was initially expected to burn 4% less fuel, with targets later enhanced to 10-12%, and eventually achieving a 14.5% reduction, but this was not the *initial* expectation.
The 737 MAX achieved a 15% fuel consumption reduction from the 737 Next Generation, matching the Airbus A320neo.
Answer: False
Explanation: The 737 MAX achieved a 14.5% fuel consumption reduction from the 737 Next Generation, which was intended to match or exceed the A320neo's 15% advantage, but did not quite reach 15% itself.
The engine fan on the 737 MAX was widened to 69.4 inches, requiring the engines to be placed higher and further forward on the wing, which led to a pitch-up tendency.
Answer: True
Explanation: The increased fan diameter of the LEAP-1B engines necessitated a higher and more forward engine placement on the wing, which indeed altered the aircraft's aerodynamic characteristics and introduced a pitch-up tendency.
The split-tip winglet on the 737 MAX is designed to increase vortex drag for better stability.
Answer: False
Explanation: The split-tip winglet on the 737 MAX is designed to *reduce* vortex drag, thereby improving fuel efficiency, not to increase it for stability.
The Boeing 737 MAX cockpit features four 15.1-inch liquid-crystal displays (LCDs) supplied by Honeywell.
Answer: False
Explanation: While the Boeing 737 MAX cockpit does feature four 15.1-inch LCDs, they are supplied by Rockwell Collins, not Honeywell.
The primary purpose of MCAS was to minimize pilot training requirements for those already qualified on the 737NG by automatically mitigating a pitch-up tendency.
Answer: True
Explanation: Boeing designed MCAS to automatically counteract the pitch-up tendency resulting from the new engine placement, primarily to avoid requiring extensive new simulator training for pilots already certified on the 737NG.
The CFM International LEAP-1B engine on the 737 MAX has a 9:1 bypass ratio, contributing to a 40% smaller noise footprint.
Answer: True
Explanation: The CFM LEAP-1B engine's 9:1 bypass ratio, combined with other design features, significantly reduces its noise footprint by 40% compared to its predecessor.
The primary motivation for the 737 MAX 10 was to replace the 737-900ER in the market.
Answer: False
Explanation: The primary motivation for the 737 MAX 10 was to compete with the highly successful Airbus A321neo, which had significantly outsold the MAX 9, rather than solely replacing the 737-900ER.
What generation of the Boeing 737 does the 737 MAX represent, and what series does it directly succeed?
Answer: Fourth generation, succeeding the 737 Next Generation.
Explanation: The Boeing 737 MAX is the fourth generation of the 737 family, directly succeeding the 737 Next Generation series.
Which of the following is NOT a primary technical improvement incorporated into the Boeing 737 MAX?
Answer: A completely redesigned fuselage for wider cabin space.
Explanation: The Boeing 737 MAX features more efficient engines, aerodynamic enhancements, and structural modifications, but not a completely redesigned fuselage for wider cabin space.
When was the Boeing 737 MAX program officially announced?
Answer: August 2011
Explanation: The Boeing 737 MAX program was officially announced in August 2011, following competitive pressures from Airbus.
What event prompted Boeing to re-engine the 737, leading to the MAX program, instead of developing a completely new aircraft?
Answer: The launch of the fuel-efficient Airbus A320neo family and a large order from American Airlines.
Explanation: Boeing's decision to re-engine the 737, rather than pursuing a 'clean sheet' design, was primarily driven by the market success of the Airbus A320neo and a significant order from American Airlines.
How did Boeing modify the engine placement on the 737 MAX, and what aerodynamic consequence did this have?
Answer: Engines were placed higher and further forward, leading to a pitch-up tendency.
Explanation: To accommodate the larger LEAP-1B engines, Boeing positioned them higher and further forward on the wing, which resulted in a modified flight geometry and an inherent pitch-up tendency.
What is the primary purpose of the Maneuvering Characteristics Augmentation System (MCAS) in the 737 MAX's design?
Answer: To automatically mitigate the pitch-up tendency caused by new engine placement.
Explanation: The primary design purpose of MCAS was to automatically counteract the aerodynamic pitch-up tendency introduced by the new, larger, and repositioned engines on the 737 MAX.
What is the fan diameter of the CFM International LEAP-1B engine used on the Boeing 737 MAX?
Answer: 69.4 inches (176 cm)
Explanation: The CFM International LEAP-1B engine, a key component of the 737 MAX, features a fan diameter of 69.4 inches (176 cm).
What was the primary motivation behind the development of the 737 MAX 10?
Answer: To compete with the Airbus A321neo, which had significantly outsold the MAX 9.
Explanation: The development of the 737 MAX 10 was primarily driven by the need to effectively compete with the Airbus A321neo, which had gained a significant market lead over the MAX 9.
What interior features are standard on the 737 MAX?
Answer: Boeing Sky Interior with modern overhead bins and LED lighting.
Explanation: The Boeing 737 MAX comes standard with the Boeing Sky Interior, which includes modern overhead bins and LED lighting, enhancing the passenger experience.
The MAX 8 is the most widely ordered variant among the four main Boeing 737 MAX series.
Answer: True
Explanation: Among the MAX 7, 8, 9, and 10 variants, the MAX 8 has indeed received the most orders.
The typical passenger capacity of the Boeing 737 MAX ranges from 200 to 250 passengers in a two-class configuration.
Answer: False
Explanation: The typical passenger capacity for the Boeing 737 MAX in a two-class configuration ranges from 138 to 204 passengers, not 200 to 250.
The 737 MAX 200 requires an extra pair of exit doors due to its ability to seat up to 200 passengers in a high-density configuration.
Answer: True
Explanation: The 737 MAX 200 is designed for high-density seating configurations of up to 200 passengers, which necessitates an additional pair of exit doors to comply with safety regulations for evacuation.
The 737 MAX 10's main structural change for its longer fuselage is a trailing-link main landing gear that shortens during retraction.
Answer: True
Explanation: To accommodate its longer fuselage without requiring a complete redesign of the wheel well, the 737 MAX 10 features a trailing-link main landing gear that retracts and shortens.
The BBJ MAX 7 business jet variant offers a range of 8,000 nautical miles.
Answer: False
Explanation: The BBJ MAX 7 business jet variant offers a range of 7,000 nautical miles, not 8,000 nautical miles.
What is the most widely ordered variant of the Boeing 737 MAX series?
Answer: MAX 8
Explanation: The MAX 8 variant has received the most orders among the Boeing 737 MAX series, making it the most widely ordered.
What is the typical range of the Boeing 737 MAX aircraft in nautical miles?
Answer: 3,300 to 3,850 nautical miles
Explanation: The typical range for the Boeing 737 MAX aircraft is between 3,300 and 3,850 nautical miles, depending on the variant and configuration.
What are the official FAA type certificate and marketing designations for the 737 MAX 7, MAX 8, and MAX 9 since 2020?
Answer: 737-7, 737-8, 737-9
Explanation: Since 2020, the FAA has officially designated the 737 MAX 7, MAX 8, and MAX 9 as 737-7, 737-8, and 737-9, respectively, for type certification and marketing.
What is the maximum passenger capacity of the 737 MAX 200 in a single-class high-density configuration?
Answer: Up to 200 passengers
Explanation: The 737 MAX 200 variant is specifically designed to accommodate up to 200 passengers in a single-class, high-density configuration.
What is the key structural modification made to the 737 MAX 10 to accommodate its longer fuselage?
Answer: A trailing-link main landing gear that shortens during retraction.
Explanation: To accommodate its extended fuselage, the 737 MAX 10 incorporates a trailing-link main landing gear designed to shorten during retraction, allowing it to fit into the existing wheel well.
What is the range offered by the BBJ MAX 7 business jet variant?
Answer: 7,000 nautical miles
Explanation: The BBJ MAX 7, a business jet variant, offers an impressive range of 7,000 nautical miles, catering to long-haul private and corporate travel.
What is the cruising speed for all Boeing 737 MAX variants?
Answer: Mach 0.79
Explanation: All Boeing 737 MAX variants share a common cruising speed of Mach 0.79.
What is the fuel capacity of the Boeing 737 MAX without auxiliary center tanks?
Answer: 6,820 US gallons (25,800 L)
Explanation: Without auxiliary center tanks, the Boeing 737 MAX has a fuel capacity of 6,820 US gallons (25,800 L).
What are the ICAO Type Designators for the 737 MAX 7, MAX 8, MAX 9, and MAX 10?
Answer: B37M, B38M, B39M, B3XM
Explanation: The International Civil Aviation Organization (ICAO) Type Designators for the 737 MAX variants are B37M for the MAX 7, B38M for the MAX 8, B39M for the MAX 9, and B3XM for the MAX 10.
The global grounding of the 737 MAX fleet was a direct consequence of two fatal accidents: Lion Air Flight 610 and Ethiopian Airlines Flight 302.
Answer: True
Explanation: The two fatal accidents, Lion Air Flight 610 and Ethiopian Airlines Flight 302, were the direct catalysts for the global grounding of the 737 MAX fleet.
The Maneuvering Characteristics Augmentation System (MCAS) was identified as a contributing factor in the 737 MAX crashes due to erroneous activation from faulty angle of attack sensor data.
Answer: True
Explanation: Investigations confirmed that MCAS erroneously activated due to faulty angle of attack sensor data, leading to uncommanded nose-down trim and contributing to the fatal accidents.
The U.S. FAA was the first air authority to ground the 737 MAX after the Ethiopian Airlines Flight 302 crash.
Answer: False
Explanation: The U.S. FAA was one of the last air authorities to ground the 737 MAX, with China being the first to do so the day after the Ethiopian Airlines Flight 302 crash.
Before the Lion Air Flight 610 crash, pilots were fully informed about MCAS and received mandatory simulator training on its operation.
Answer: False
Explanation: Before the Lion Air Flight 610 crash, pilots were not informed by Boeing about the existence of MCAS and were not required to undergo simulator training on its operational differences from earlier 737 versions.
Which two fatal accidents led to the global grounding of the 737 MAX fleet?
Answer: Lion Air Flight 610 and Ethiopian Airlines Flight 302
Explanation: The global grounding of the 737 MAX fleet was a direct response to the fatal crashes of Lion Air Flight 610 and Ethiopian Airlines Flight 302.
What system was identified as a contributing factor in the 737 MAX crashes, causing uncommanded nose-down trim due to faulty sensor data?
Answer: Maneuvering Characteristics Augmentation System (MCAS)
Explanation: The Maneuvering Characteristics Augmentation System (MCAS) was identified as a critical contributing factor in the 737 MAX crashes, specifically due to erroneous activation from faulty angle of attack sensor data.
When was the 737 MAX fleet globally grounded, and when did the FAA lift its grounding order?
Answer: Grounded March 2019, lifted November 2020
Explanation: The 737 MAX fleet was globally grounded in March 2019, and the FAA subsequently lifted its grounding order in November 2020 after significant software and training revisions.
What was a significant finding regarding pilot training related to MCAS before the Lion Air Flight 610 crash?
Answer: Pilots were not informed of MCAS's existence and not required to undergo simulator training on its differences.
Explanation: A critical finding revealed that pilots were not informed by Boeing about the existence of MCAS and were not mandated to undergo simulator training on the system's operational differences prior to the Lion Air Flight 610 crash.
What was the total amount Boeing agreed to pay in penalties and compensation in connection with the 737 MAX fraud conspiracy charges?
Answer: Over US$2.5 billion
Explanation: Boeing agreed to a settlement exceeding US$2.5 billion in penalties and compensation, including a criminal monetary penalty, damages to airlines, and a fund for crash victims' families, related to fraud conspiracy charges.
What was the fatal hull loss accident rate for the 737 MAX series as of 2023?
Answer: 1.48 per million takeoffs
Explanation: As of 2023, the 737 MAX series had a fatal hull loss accident rate of 1.48 per million takeoffs, reflecting the two major accidents that led to its grounding.
The U.S. Federal Aviation Administration (FAA) certified the Boeing 737 MAX in March 2017, and the first delivery was to Southwest Airlines.
Answer: False
Explanation: While the FAA certified the 737 MAX in March 2017, the first delivery of a MAX 8 was to Malindo Air in May 2017, not Southwest Airlines.
As of July 2025, the MAX 7 and MAX 10 variants had not yet received FAA certification.
Answer: True
Explanation: As of July 2025, the FAA had not yet certified the MAX 7 and MAX 10 variants, with no timeline provided for their approval.
Spirit AeroSystems supplies 69% of the 737 airframe, including the fuselage and engine pylons.
Answer: True
Explanation: Spirit AeroSystems is a major supplier for the 737 program, providing 69% of the airframe, including critical components like the fuselage and engine pylons.
Boeing established its first 737 completion and delivery facility outside the United States in Germany.
Answer: False
Explanation: Boeing established its first 737 completion and delivery facility outside the United States in Zhoushan, China, not Germany.
The 737 MAX gained its airworthiness approval as a new design approval, rather than a Supplemental Type Certificate (STC).
Answer: False
Explanation: The 737 MAX received its airworthiness approval based on the legacy 737 series as a Supplemental Type Certificate (STC), which was a point of criticism, rather than a full new design approval.
A manufacturing quality issue with low pressure turbine (LPT) discs in LEAP-1B engines led to a temporary suspension of 737 MAX flights in May 2017.
Answer: True
Explanation: A manufacturing quality issue concerning low pressure turbine discs in the LEAP-1B engines did indeed cause a temporary suspension of 737 MAX flights in May 2017.
The redesigned MCAS uses data from both angle-of-attack (AoA) sensors to prevent erroneous activations, addressing a single point of failure.
Answer: True
Explanation: The redesigned MCAS incorporates data from both angle-of-attack sensors, a critical change to eliminate the single point of failure that contributed to the earlier accidents.
Boeing suspended 737 MAX production from January 2020 to conserve funds and prioritize the delivery of stored aircraft.
Answer: True
Explanation: Boeing indeed suspended 737 MAX production starting in January 2020, a strategic decision to conserve funds and manage the backlog of stored aircraft awaiting recertification.
The FAA granted Boeing immediate production expansion for the 737 MAX after the Alaska Airlines Flight 1282 accident.
Answer: False
Explanation: Following the Alaska Airlines Flight 1282 accident, the FAA explicitly stated it would *not* grant any production expansion for the 737 MAX until more stringent quality control measures were implemented.
The U.S. Aircraft Safety and Certification Reform Act of 2020 requires airliners type certificated after December 31, 2022, to be fitted with an engine-indicating and crew-alerting system (EICAS).
Answer: True
Explanation: The U.S. Aircraft Safety and Certification Reform Act of 2020 indeed mandates the inclusion of an EICAS for airliners type certificated after December 31, 2022.
The U.S. Congress agreed to allow Boeing to certify the MAX 7 and MAX 10 without EICAS, provided they install a third angle-of-attack sensor and a stick shaker disable switch.
Answer: True
Explanation: In a December 2022 compromise, Congress allowed the MAX 7 and MAX 10 to be certified without EICAS, contingent on the installation of a third angle-of-attack sensor and a stick shaker disable switch across all 737 MAX types.
Boeing requested an exemption for the MAX 7 from correcting an engine anti-ice system issue that could damage the engine or fuselage.
Answer: True
Explanation: Boeing did request an exemption for the MAX 7 regarding an engine anti-ice system issue, which, if uncorrected, could lead to damage to the engine or fuselage.
Which airline received the first delivery of a Boeing 737 MAX 8 in May 2017?
Answer: Malindo Air
Explanation: Malindo Air, a subsidiary of Lion Air, received the first delivery of a Boeing 737 MAX 8 in May 2017.
As of July 2025, which two Boeing 737 MAX variants had not yet received FAA certification?
Answer: MAX 7 and MAX 10
Explanation: As of July 2025, the MAX 7 and MAX 10 variants were still awaiting FAA certification, with no specific timeline for their approval.
What incident in January 2024 led to renewed scrutiny of the 737 MAX, and what was its cause?
Answer: A door plug detached mid-flight because key bolts were not installed.
Explanation: The detachment of a door plug mid-flight on Alaska Airlines Flight 1282 in January 2024, caused by missing key bolts, led to renewed scrutiny of the 737 MAX's production quality.
What percentage of the 737 airframe, including the fuselage and engine pylons, is supplied by Spirit AeroSystems?
Answer: 69%
Explanation: Spirit AeroSystems is a key supplier for the 737 program, manufacturing 69% of the airframe, including the fuselage and engine pylons.
Where did Boeing establish its first 737 completion and delivery facility outside the United States?
Answer: Zhoushan, China
Explanation: Boeing's first 737 completion and delivery facility outside the United States was established in Zhoushan, China, in collaboration with Comac.
What was a criticism of the FAA's airworthiness approval process for the 737 MAX?
Answer: The FAA delegated many evaluations to Boeing, allowing the manufacturer to review its own product.
Explanation: A significant criticism of the FAA's airworthiness approval process for the 737 MAX was the extensive delegation of evaluations to Boeing, which allowed the manufacturer to effectively review its own product, raising concerns about oversight.
Why did Boeing suspend 737 MAX production from January 2020?
Answer: To conserve funds and prioritize the delivery of stored aircraft.
Explanation: Boeing suspended 737 MAX production in January 2020 as a strategic measure to conserve financial resources and focus on delivering the large inventory of already-produced aircraft once recertified.
What new safety requirement from the U.S. Aircraft Safety and Certification Reform Act of 2020 affected the certification of the MAX 7 and MAX 10?
Answer: Mandate for an engine-indicating and crew-alerting system (EICAS) for airliners type certificated after December 31, 2022.
Explanation: The U.S. Aircraft Safety and Certification Reform Act of 2020 introduced a mandate for an EICAS on airliners type certificated after December 31, 2022, directly impacting the certification path for the MAX 7 and MAX 10.
What compromise did the U.S. Congress reach in December 2022 regarding the MAX 7 and MAX 10 certification?
Answer: Allowed certification without EICAS, but required a third AoA sensor and a stick shaker disable switch.
Explanation: In December 2022, the U.S. Congress reached a compromise allowing the MAX 7 and MAX 10 to be certified without EICAS, provided Boeing implemented a third angle-of-attack sensor and a stick shaker disable switch across all 737 MAX types.
What safety issue related to the engine anti-ice system affected all MAX variants?
Answer: If left running, it could overheat and damage the carbon composite inlet of the nacelle.
Explanation: A safety concern identified across all MAX variants was that prolonged operation of the engine anti-ice system could overheat and damage the carbon composite inlet of the nacelle, potentially leading to engine or fuselage damage.
What incident occurred on Southwest Airlines Flight 746 in May 2024?
Answer: A 'Dutch roll' during flight, damaging the rudder standby power control unit.
Explanation: In May 2024, Southwest Airlines Flight 746 experienced a 'Dutch roll' during flight, an oscillatory motion that resulted in reported damage to the rudder standby power control unit.
The primary competitor of the Boeing 737 MAX family is the Airbus A350 family.
Answer: False
Explanation: The primary competitor of the Boeing 737 MAX family, which consists of narrow-body airliners, is the Airbus A320neo family, not the wide-body A350 family.
Southwest Airlines was the launch customer for the Boeing 737 MAX program in 2011.
Answer: True
Explanation: Southwest Airlines was indeed the launch customer for the Boeing 737 MAX program, signing up in 2011.
The Brazilian low-cost carrier Gol was the first airline to resume regular passenger service with the 737 MAX after its ungrounding.
Answer: True
Explanation: Gol, a Brazilian low-cost carrier, was the first airline globally to reintroduce the 737 MAX into regular passenger service following its ungrounding.
United Airlines removed the MAX 10 from its future fleet planning and initiated discussions with Airbus for A321neos due to certification delays.
Answer: True
Explanation: Due to persistent certification delays for the MAX 10, United Airlines indeed removed it from its future fleet plans and began discussions with Airbus for alternative aircraft like the A321neo.
After one year of service, the 737 MAX achieved a dependability rate of 95%.
Answer: False
Explanation: After its first year of service, the 737 MAX achieved a dependability rate of 99.4%, not 95%.
Ryanair was the launch customer for the high-density 737 MAX 200 variant.
Answer: True
Explanation: Ryanair indeed served as the launch customer for the high-density 737 MAX 200 variant, placing a significant order in 2014.
As of October 2023, United Airlines was the largest operator of the Boeing 737 MAX.
Answer: False
Explanation: As of October 2023, Southwest Airlines was the largest operator of the Boeing 737 MAX, with United Airlines being the second largest.
What is the primary competitor of the Boeing 737 MAX family?
Answer: Airbus A320neo family
Explanation: The Airbus A320neo family is considered the primary competitor to the Boeing 737 MAX family in the narrow-body aircraft market segment.
Which airline was the first to resume regular passenger service with the 737 MAX after its ungrounding?
Answer: Gol
Explanation: The Brazilian low-cost carrier Gol was the first airline to reintroduce the 737 MAX into regular passenger service on December 9, 2020, following its global ungrounding.
What was the dependability rate of the 737 MAX after its first year of service?
Answer: 99.4%
Explanation: After its initial year of operational service, the Boeing 737 MAX achieved a high dependability rate of 99.4%.
Who was the launch customer for the high-density 737 MAX 200 variant?
Answer: Ryanair
Explanation: Ryanair was the launch customer for the high-density 737 MAX 200 variant, placing an order for 100 aircraft in December 2014.
As of October 2023, which airline was the largest operator of the Boeing 737 MAX?
Answer: Southwest Airlines
Explanation: As of October 2023, Southwest Airlines maintained its position as the largest operator of the Boeing 737 MAX fleet.