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Boeing 737-800

An airliner made by Boeing
This entry is reviewed by the "Science China" science encyclopedia entry compilation and application work project.
Boeing 737-800 is a twin-engine turbofan short-range narrow-body aircraft designed and produced by Boeing Boeing 737NG Series, for Boeing 737-700 The elongated fuselage of the aircraft to replace Boeing 737-400 And fill MD-80 and MD-90 The void left after the service. The Boeing 737-800's cockpit instrument panel has a new large display screen, and the wing has the option of adding tip winglets. [18]
The Boeing 737-800 program was officially launched on September 5, 1994, and first flew on July 31, 1997. The first 737-800 was delivered to the customer on 22 April 1998 after receiving the FAA type certificate on 13 March and the European Joint Aviation Agency Type Certificate on 9 April.
On March 21, 2022, a Boeing 737 passenger plane of China Eastern Airlines lost contact over Wuzhou while carrying out a mission from Kunming to Guangzhou. It is confirmed that the plane crashed. There were 132 people on board, including 123 passengers and 9 crew members [8] . After the accident, China Eastern Airlines has all the company's B737-800 flights on the ground control of the aircraft, air flights will not be carried out after landing. [22] (Subject line: March 21 China Eastern Airlines passenger plane accident )
On April 17, 2022, China Eastern resumed commercial operations of the Boeing 737-800. The first flight, MU5843, took off from Kunming Changshui International Airport at around 10 am on the 17th and landed at Chengdu Shuangliu International Airport an hour later. [25]
In March 2024, according to the website of the Civil Aviation Administration, the Civil Aviation Administration issued a notice on the progress of the flight accident investigation of the "3·21" China Eastern MU5735 aircraft. [39]
On April 10, 2024, Jennifer Homendy, chairman of the National Transportation Safety Board (NTSB), said that the engine hood of a Southwest Airlines Boeing 737-800 passenger plane fell off during takeoff on April 7, which was caused by maintenance problems. [43]
Chinese name
Boeing 737-800
Foreign name
Boeing 737-800
manufacturer
Mordant
First flight time
July 31, 1997
Generic type
Twin-engine turbofan short-range narrow-body aircraft
IATA three-character code
738
Four-character code
B738
Number of pilots
Two people

Development process

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Historical background

The Boeing 737 is a short - and medium-range, twin-engine narrow-body jetliner that was originally built Boeing 707 and Boeing 727 It is a short-range civil aircraft with low operating costs, and 14 variants have been developed so far. The Boeing 737 is Mordant The company's only narrow-body aircraft in production, still in production models include the -700, -800, -900ER, MAX8, MAX9, and MAX8-200.
The Boeing 737 was first conceived in 1964 Boeing 737-100 It first flew in 1967 and entered service in February 1968. The -200 entered service in April of the same year. In the 1980s, Boeing began developing the "classic" -300, -400 and -500 versions of the 737. Boeing 737 typically not only increased the passenger capacity, but also used more advanced CFM56 Turbofan engines and other equipment. In the 1990s, Boeing Company Development of the 737 "new generation" began, with improvements including a redesigned wing, advanced piloting equipment, and an all-new cabin. [12]

Research and development process

On September 5, 1994, the Boeing 737-800 program was officially launched.
On June 30, 1997, the Boeing 737-800 was manufactured.
On July 31, 1997, the Boeing 737-800 made its first flight.
On March 13, 1998, the Boeing 737-800 was awarded The Federal Aviation Administration Type certification.
On April 9, 1998, the Boeing 737-800 received type certification from the European Joint Aviation Agency.
On April 22, 1998, the first Boeing 737-800 aircraft was delivered.
In April 2022, Shandong Swire delivered the 50th B737-800 Boeing converted freighter to Boeing. [27]
On August 31, 2022, the delivery ceremony of the first B737-800 freighter of Mountain Air was held at Shandong Taikoo Aircraft Engineering Co., LTD. [30]
波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800 波音737-800
Boeing 737-800

System composition

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Design parameter

Machine type
Boeing 737-800
Fuselage length
39.5 m [40]
wingspan
34.4 m (winglet without tip) /35.79 m (winglet with tip)
Cabin width
3.53 m
seating
(two-cabin layout) 164 persons/(single-cabin layout) 189 persons
Empty weight
41.413 tons (91,300 pounds)
Maximum take-off weight
78,245 kg (172,500 lb)
Maximum landing weight
66,360 kg (146,298 lb)
Maximum coasting weight
174,698 pounds
Maximum fuel load
26,025 liters (46,067 LBS)
Cruising speed
Mach 0.785 (848 km/h)
Maximum speed
Mach 0.82 (880 km/h)
Maximum range
3200 nautical miles
Maximum cruising altitude
12400 m
Departure master
2027 meters
Landing director
1327 m
Power plant
Two CFM56-7B turbofan engines
Maximum thrust
27,300 LBS (CFM56-7B27 engine)

Passenger cabin

Boeing B737-800 cabin
Total seats
Business class
Economy class
167
8
159 [14]

Machine type

The Boeing 737-800 is Boeing 737NG A member of the new generation of Boeing 737NG series aircraft improved. Boeing 737-800 wing design with new advanced technology, not only increased Fuel carrying capacity And improved efficiency, which is conducive to extending the range. Reliable, simple, and cost-effective to operate and maintain, cockpit A new type of large display is used on the instrument panel. Boeing 737-800 models can optionally be retrofitted Winglet tips .
The Boeing 737-800 is Boeing 737-700 The fuselage extension model is a direct replacement Boeing 737-400 .
The 737-800 can carry 162-189 passengers, or 162 in a two-class cabin configuration; With all economy seats, the capacity can reach 189 people. The range is 5,665 km (3,060 miles). There is also a BBJ2 executive version and a military version, the 737-800ERX (Extended Range).

Leading slat

Feature
When the leading edge slat is released without slits, it is on Wing lift The effect is similar to that of leading edge flaps, that is, the lift is increased by increasing the wing area and the curvature of the airfoil. When the front edge slat is in the fully released state, its effect on lift is different from that of the leading edge flap. The gap between the leading edge slat and the leading edge of the wing has two effects on the lift coefficient of the wing. On the one hand, the air on the lower surface of the wing with greater pressure flows to the upper surface through the gap, which reduces the air pressure difference between the upper and lower surfaces and plays a role in reducing the lift coefficient. On the other hand, the air on the lower surface of the leading edge slat wing flows close to the upper surface of the wing after passing through the gap, increasing the air kinetic energy of the upper surface boundary layer, delaying the occurrence of air separation, increasing the range of available Angle of attack, and increasing the lift coefficient. Whether the slotting of the leading edge slits increases the lift coefficient or decreases the lift coefficient is related to the Angle of attack. When the wing Angle of attack approaches or exceeds the critical Angle of attack, the air flow on the upper surface of the wing is seriously separated, resulting in a decrease in lift coefficient. In this case, the slit of the leading edge slits can delay the air flow separation and increase the lift coefficient by increasing the critical Angle of attack. When the Angle of attack is much less than the critical Angle of attack, the air flow separation on the upper surface of the wing is weak, and the pressure difference between the upper and lower surfaces of the wing will be reduced due to the opening of the leading edge slits, resulting in the reduction of the lift coefficient. [13]
Lifting device
There are two leading edge flaps and four leading edge slats on the left and right wings of Boeing 737-800 aircraft. The leading edge flaps are located on the leading edge of the wing inside the engine, and the leading edge slats are located on the leading edge of the wing outside the engine. The left and right wings have two sets of receding double-slotted trailing edge flaps on the inside and outside of the engine. The trailing edge flaps are emitted 1, 5, 10, 15, 25, 30 and 40 units, of which 1 to 15 units of flaps are emitted to increase lift, and 15 to 40 units of flaps are emitted to increase both lift and drag. When taking off, the lift should be increased and the resistance should be avoided. Both lift and drag need to be increased before landing and grounding. When the 737-800 aircraft performance manual analyzed the relationship between the maximum take-off weight limited by the length of the site and the flap discharge, it found that an abnormal situation occurred when the flap discharge increased from 5 to 10. The maximum take-off weight for the field length limit corresponding to the flap release 10 is less than the maximum take-off weight for the field length limit corresponding to the flap release 5. In the process of increasing the flap discharge from 5 to 10 on the trailing edge of Boeing 737-800 aircraft, the leading edge slat has a significant change in the airfoil profile, and the leading edge slat has changed from unslits to fully slits. Therefore, the abnormal variation of the maximum take-off weight limited by the length of the field is caused by the change of the state of the leading edge slats. Other aircraft with leading edge slats, such as the Boeing 757, Boeing 767, Boeing 777, A320, etc., do not use the leading edge slats during takeoff, so the landing flap release is significantly greater than the take-off flap release. There are 1, 5, 10, 15, and 25 liftoff flaps, with 5 being the most commonly used liftoff flap discharge. Landing flaps are 40, 30, and 15 (not including 25), where 40 and 30 are normal landing flaps, and landing flaps 15 are only used at airports with high climb gradients for approach flights. The leading edge flaps and leading edge slats of a Boeing 737-800 aircraft move behind the edge flaps. The leading edge flaps have only two states: retracted and released. There are three states of the leading slat: retraction, release (no slat) and full release (slit). When the trailing edge flap release amount is 1, the leading edge flap is released, and the leading edge slat is also released (no slat). With the increase of the trailing edge flap release, the leading edge flap remains in the same release state. The leading edge slat is different from the leading edge flap. When the trailing edge flap discharge quantity increases from 5 to 10, the leading edge slat changes from unslat state to completely slat state. During the process of increasing the trailing edge flap discharge from 10 to 40, the leading edge slats remain fully discharged. At flap discharge of 1 and 5, if the aircraft is near a stall, the leading edge slats automatically change to a fully slapped state. [13]
The effect of leading edge slits on the maximum take-off weight limited by the length of the field
Under standard atmospheric conditions, the standard field length required for the maximum take-off weight of a Boeing 737-800 aircraft is 2400m. The actual take-off weight is lower than the maximum take-off weight, and the field length of most airports is greater than the field length required for the Boeing 737-800 to take off, so the take-off flap release amount is usually selected 5, at which time the leading edge slats are released without opening. For airports with relatively short field lengths, flap release 15 or 25 May be used where the leading edge slats are fully released and the maximum take-off weight limited by the field lengths of flap release 15 and 25 is greater than the corresponding flap release 5. However, the length of the site is very short, and the maximum take-off weight limited by the length of the site may not meet the requirements by using a larger flap release. In this case, it is meaningful to make the leading edge slat wing not open during take-off. The field length of Santos - Dumont Airport in Rio de Janeiro, Brazil is only 1465m, in order to make Boeing 737-800 aircraft can be used in the airport, Boeing Company changed the relationship between the leading edge slats and flap discharge amount for the Boeing 737-800 aircraft of Brazil Gol Airlines from 2005 to 2006. The leading edge slat is only opened when the flap discharge exceeds 25; In the case of flap discharge of 1 to 25, the leading edge slat can automatically change to the slat state when the aircraft approaches the stall. The maximum take-off weight limited by the length of the site increased by 1700kg when the leading edge slat was not opened during takeoff. The opening of the leading edge slat will reduce the lift force, resulting in a higher lift-drag ratio of the unslotted leading edge slat than that of the open leading edge slat, so the non-opening leading edge slat increases the maximum take-off weight.
Leading edge slat position
(1) The slit of the leading edge slat reduces the maximum take-off weight limited by the length of the field, the maximum take-off weight limited by the climb gradient, the maximum take-off weight limited by the obstacle, and the take-off decision speed increased.
(2) The opening of the leading edge slits during the take-off of Boeing 737 aircraft can prevent the aircraft from stalling, but it reduces the take-off performance. [13]

Main model

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737-800BCF: In November 2017, the conversion of the first 737-800 Boeing Modified Freighter (BCF) was completed by Shanghai Boeing Aviation Modification Maintenance Engineering Co., LTD. [17]
737-800BDSF: In 2020, IAI (Israel Aerospace Group) delivered Israel's first Boeing 737-800BDSF converted freighter. [16]

Situation in China

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In February 2011, Boeing delivered the 737-800 aircraft with Sky interiors to Air China Co., LTD., which was also the first time that Boeing 737 Sky Interiors entered China. [21]
In September 2021, the first Boeing 737-800 arrived in Hong Kong and conducted cargo charter services after obtaining an Air operator's license. In February 2022, the air license was obtained. [20]
In March 2022, the second Boeing 737-800 arrived in Hong Kong and successfully converted the aircraft to Hong Kong registration on the 15th. [19]
On 5 December 2022, CDB announced in the evening on the Hong Kong Stock Exchange that CDB Aviation Lease Finance DAC, a wholly-owned subsidiary of CDB, entered into a sales and purchase agreement with certain wholly-owned subsidiaries of Air Lease Corporation on 5 December. Acquisition of three Boeing 737-800 aircraft. [32]

Major accident

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The year 2006

At 16:48 PM on September 29, 2006 (3:48 PM on September 30, Beijing time), a Brazilian Gol Airlines Boeing 737-800 passenger plane with 154 people on board collided with a small business jet and disappeared. The plane was supposed to make a stopover in Brasilia Rio de Janeiro The scheduled landing time in Rio de Janeiro was 18:10. On September 30, a mayor of Brazil's Amazon region confirmed that the passenger plane crashed on a remote farm in the Amazon, but the plane had broken up in the air before the crash. The small business jet that collided with it suffered wing damage but landed successfully. [1]

The year 2007

Kenya Airways disaster
May 5, 2007 Kenya Airways A Boeing 737-800 from Cameroon Douala It crashed after takeoff. There were 114 people on board, including 82 African passengers, 21 Asian passengers, seven European passengers and one American. The passenger plane was scheduled to arrive in the Kenyan capital Nairobi on the morning of the 5th, and its departure port is Cote d 'Ivoire capital Abidjan Of the 114 people on board, 105 were passengers and the other nine were crew members. There were no survivors. [2]
China Airlines Flight 120
On August 20, 2007, China Airlines Flight 120, a Boeing 737-800, landed at Naha International Airport in Okinawa. When the plane has successfully slowed down and stopped on the tarmac, the second engine suddenly burst into flames, and the passengers quickly escaped, and it was not long before the fuel tank exploded, and the first and second officers jumped out of the plane at the instant of the explosion. Fortunately, no one was hurt. [3]

The year 2009

American Airlines Jamaica overshoots the runway
A (air, air, etc.) American Airlines corporate Boeing 737 On the evening of December 22nd local time Jamaica Kingston International Airport overran the runway, injuring 40 passengers.
Turkish Airlines flight 1951
On February 25, 2009, Turkish Airlines Flight 1951, due to a failure of flight control instruments and pilot error, failed to notice that the aircraft had entered the landing condition early and stalled and crashed 3 km from the airport. Nine people were killed and 55 injured.
Turkish Airlines flight 1951

The year 2010

Indian plane crashes into wall after landing
An Indian Express Airlines Boeing 737-800 with 166 people on board in southern India early on May 22, 2010 Mangalore Only eight people were rescued, but one of those rescued, a child, died, bringing the death toll to 159. The plane's descent rate was too large, the grounding was late, and the captain's judgment was wrong, resulting in a long time after landing, a failure to return to the ground, rushed out of the runway, hit the separation wall, caught fire and broke into pieces, resulting in a tragedy. [4]
Ethiopian Airlines Flight ET-409
Flight from Lebanon Beirut From Rafik Hariri International Airport Ethiopia Addis Ababa International Airport, which lost contact with the airport control tower less than five minutes after takeoff from Beirut at 2:35 a.m. local time, caught fire and crashed 3.5 kilometers south of Beirut, off the coast Mediterranean The sea. The plane was carrying 83 passengers and seven crew members.

The year 2013

Shenzhen fire
On the evening of August 25, 2013, Shenzhen Airlines flight ZH9969 (Shenzhen-Beijing) skidded out at Shenzhen Airport in Shenzhen APU A mechanical failure triggered a fire alarm, causing smoke to come out of the tail of the aircraft. Twelve passengers suffered minor bruises while evacuating from the slide, but no fatalities were reported.
Shenzhen Boeing 738 accident

The year 2014

Wuhan (capital of Hubei Province) Unable to move after landing
At about 18:00 on June 26, 2014, China Eastern Airlines After the normal landing of the Wuhan MU2541 flight from Guangzhou to Wuhan, the front wheel was briefly stuck during the taxiway, and the plane stayed on the taxiway. There were no casualties.

The year 2015

Nigeria Two Boeing 737-800NG wings collided
According to Nigerian media reports, on the afternoon of October 20, two Boeing 737-800NG aircraft belonging to Nigeria's Arik Air collided on the ground on the tarmac of the general aviation terminal of Murtala Mohammed International Airport (MMIA) in Lagos, after which Arik Air grounded the two aircraft. [5]

The year 2016

March 19, 2016 A Boeing 737-800 passenger plane in the early morning of 19 in the southern Russian city Rostov-on-Don The crash killed all 62 people on board, including 55 passengers and seven crew members. The airliner was operated by FlyDubai from the United Arab Emirates Dubai Flying to Rostov-on-Don, crashed on landing at the airport. [6]
2016迪拜航空空难 2016迪拜航空空难 2016迪拜航空空难
2016 Dubai Air crash

2019

In November 2019, a Boeing 737-800 operated by Ukraine's SkyUp Airlines caught fire after landing at Sharm el-Sheikh airport in Egypt. The flames burned for about a minute before airport staff put them out with fire extinguishers.
The airline said none of the 196 passengers on board were injured and that the fire was probably caused by an oil leak. [7]

The year 2020

On February 5, 2020, a Boeing 737-800 passenger plane flying from Izmir to Istanbul skidded off the runway at Istanbul's Sabiha Gokchen Airport, severely damaging the body and breaking into three pieces. Three people have been killed and 179 injured. [9]

2022

On March 21, 2022, a Boeing 737 passenger plane of China Eastern Airlines lost contact over Wuzhou while carrying out a mission from Kunming to Guangzhou. It is confirmed that the plane crashed. There were 132 people on board, including 123 passengers and 9 crew members. [8] The aircraft has 12 seats in business class at the front and 150 seats in economy class, with six marked exits and three toilets at the front, middle and end of the cabin. [11] The homepage of China Eastern's official website has been painted in black and white to mourn the victims of the accident. [10] At 17:00 and 22:00 on March 26, the National Emergency Response Command of the "3·21" China Eastern MU5735 aircraft flight accident held the sixth and seventh press conference in Wuzhou City, at which the latest progress of the investigation was announced and confirmed that all 123 passengers and 9 crew members on the flight had been killed. [24]
China Eastern Airlines decided to suspend the operation of all its 737-800 aircraft from March 21, 2022, and the recovery time is uncertain. [15] On April 17, China Eastern Airlines announced the grounding of all its Boeing 737-800 aircraft, including 224 from China Eastern Airlines, Shanghai Airlines and China United Airlines, after the March 21 MU5735 flight accident. [26]
The plane, a B737-800, was delivered to China Eastern's Yunnan branch on June 22, 2015 and is 6.8 years old. [23]
On May 18, 2022, the Civil Aviation Administration responded to reports related to the "March 21" China Eastern Airlines accident: The US investigators said that they had not released relevant investigation information to any media. [28]
Internal structure
In the early morning of July 4, 2022, a Boeing 737-800(BCF) converted freighter flying from Macao SAR to Kuala Lumpur, Malaysia, suffered a suspected loss of cabin pressure shortly after takeoff and was diverted to Hong Kong International Airport. [29]
On November 25, 2022 local time, Flair Airlines Flight F8501 of Canada was carrying 134 passengers and six crew members when it accidentally overshot the runway during landing and stopped on the airport lawn. The flight was reportedly operated by a Boeing 737-800 (registration number C-FFLC). [31]

2023

On January 8, 2023, local time, a Boeing 737-800 passenger plane of Russia's "Victory" airlines ran off the runway in the process of taking off at Perm Grand Savino Airport, and 183 passengers and passengers on board None of the crew was injured and the aircraft was not damaged. The cause of the accident is still under investigation. [33]
On February 24, 2023, local time, the Russian Federal Investigative Committee Eastern Regional Traffic Investigation Bureau released news that a Boeing 737-800 passenger plane of a Russian airline made an emergency landing at an airport in Krasnoyarsk region due to "loss of tightness" on the same day, with 167 passengers and 8 crew members on board. According to the Russian "Izvestia" reported that the incident has caused five injuries. [34]
On August 20, 2023, Alaska Airlines Flight 1288, a Boeing 737-800, lost its left landing gear and landed hard on the runway at John Wayne Airport, causing sparks to fly. None of the 106 passengers and six crew members on board were injured. [35]

2024

On the morning of January 9, 2024, local time, Russia's West Siberian Transportation Prosecutor's Office released news that a Boeing 737-800 belonging to Russia's "Northern Star" Airlines ran off the runway during landing at Norilsk Airport in Krasnoyarsk Krai, Russia. There were more than 170 passengers and crew on board, but no one was injured. The airport is still operating normally. [36]
Comprehensive foreign media reports, the US Federal Aviation Administration (FAA) said that on January 28, 2024, local time, a United Airlines Boeing 737-800 passenger plane's windshield broke, and the flight had to divert to Denver International Airport in Colorado. [37]
On March 15, 2024, a United Airlines flight from San Francisco International Airport was found to be missing an external panel on its fuselage upon arrival at its destination airport in Medford, Oregon. The Boeing 737-800 was carrying 139 passengers and six crew members. The Federal Aviation Administration says it will investigate the absence of an external fuselage panel on a United Airlines Boeing jet. [38]
In March 2024, according to the website of the Civil Aviation Administration, the Civil Aviation Administration issued a notice on the progress of the flight accident investigation of "3·21" China Eastern MU5735 aircraft. The Civil Aviation Administration of China, in accordance with the provisions of the Civil Aviation Regulations of China on Technical Investigation of Civil Aircraft Incidents (CCAR-395) and the relevant provisions of Annex 13 to the Convention on International Civil Aviation on Investigation of Aircraft Accidents and Accident Symptoms, has carried out technical investigation of this accident in conjunction with relevant departments. The main progress is as follows:
Search, identification and analysis of debris. Organize the search of debris material evidence, identify the main debris, take photos for evidence collection, mark the location of discovery, and make the location distribution map of debris; The aircraft structure, flight control system, engine and other debris were investigated, and the attitude of the aircraft before landing and the possible working status of key control components were analyzed. Send important debris such as engine components and control system components to the laboratory for analysis to determine the cause of damage.
Flight operation and airworthiness of the aircraft. To investigate the personal conditions of the crew members, such as their technical status, health status and actual performance; Investigate the flight release plan, load balance, performance calculation, operation monitoring, crew preparation and other operational conditions; Investigate the company's safety management, training management, personnel qualification management, maintenance management and other organizational management; Investigate aircraft airworthiness instruction, service notice implementation, route and order inspection maintenance, fault retention and other maintenance; Investigate and analyze the fuel filling and fuel quality of the incident flight; Integrate surveillance data, video recordings, etc., to analyze the flight status of the aircraft in the final stage; Repair the damaged recorder and analyze the obtained data.
Iii. Flight security. Investigate the qualifications of support personnel, facilities and equipment working conditions at the airport; Investigate the routine inspection and maintenance of the runway, taxiway, taxiway and apron surface used by the incident flight; To investigate the qualification of air traffic control personnel, communication and navigation monitoring equipment and air traffic control automation system, air traffic control command process, and air route weather conditions; To investigate the basic information of passengers, baggage, cargo, mail, security and loading conditions; Check the dangerous goods transport information of the incident flight and the dangerous goods training of the crew and relevant support personnel.
After investigation, the flight crew and cabin crew of the incident flight with valid licenses and certificates, flight, duty, rest time to meet the requirements, the day before the flight health examination passed, the qualification and configuration of the crew meet the requirements; The airworthiness certificate of the accident plane is valid, and the qualification of the relevant maintenance personnel meets the requirements; No faults or abnormalities were found in the aircraft system, fuselage structure or engine before takeoff, and no faults were retained. The qualification of relevant operation support personnel on the day of departure of the airport meets the requirements, the facilities and equipment work normally, and the operation and operation meet the working procedures; The qualifications of the relevant air traffic control personnel met the requirements, the communication and navigation monitoring equipment worked normally, the radio communication and control command were not abnormal before the incident, and there was no dangerous weather report at the airspace and flight altitude level of the aircraft at the time of the incident. The flight in question was loaded in accordance with the requirements, no cargo declared as dangerous goods, and there was no evidence of dangerous goods in the cargo and baggage.
Subsequently, the technical investigation team will continue to carry out experimental verification and cause analysis and other work, and timely release relevant information according to the progress of the investigation. [39]
On April 5, 2024, local time, Southwest Airlines reported that one of its Boeing 737-800 aircraft was forced to cancel its flight due to an engine fire on the 4th, but no one was injured. [41]
Local time on April 7, 2024, a Southwest Airlines Boeing 737-800 from Denver, Colorado to Houston, Texas, during takeoff, the engine cover fell off. [42]
On April 10, 2024, Jennifer Homendy, chairman of the National Transportation Safety Board (NTSB), said that the engine hood of a Southwest Airlines Boeing 737-800 passenger plane fell off during takeoff on April 7, which was caused by maintenance problems. [43]
At noon local time on April 21, a wheel on the left main landing gear of a Boeing 737-800 passenger plane operated by South African airline FlySafair fell off during takeoff from Johannesburg. The plane returned to land about two and a half hours after taking off. [44]
On May 9, 2024, a Boeing 737-800 passenger plane of Turkish Corondon Airlines suffered a nose gear tyre burst while landing at Alania-Gazi Pasha airport in Antalya province, Turkey. Turkey's transport ministry said the plane took off from Cologne, Germany. All 184 passengers and six crew members on board were safely evacuated and there were no injuries. The runway was also undamaged. [45]