Aviation Accident Summary Archive

LOT Flight 5055 suffered a catastrophic uncontained engine failure while climbing through 26,000 feet. A faulty bearing in the number 2 engine caused the turbine shaft to disintegrate, sending debris into the adjacent number 1 engine and the rear fuselage. The resulting fire and structural damage severed the elevator control cables and caused an explosive decompression. Despite losing two engines and primary pitch control, the crew managed to turn the aircraft back toward Warsaw using the trim tabs. However, a fire in the cargo hold eventually weakened the tail structure and disabled the remaining controls, causing the aircraft to crash into the Kabaty Woods nature reserve just 5 kilometers from the runway.

Mechanical Failure

American Eagle Flight 5452 crashed short of the runway at Eugenio María de Hostos Airport after experiencing an asymmetric power condition during a visual approach. The investigation revealed that improper maintenance of the propeller flight idle blade angle and engine fuel flow caused one engine to produce significantly less thrust than the other. The pilots, who were flying an unstabilized approach, were unable to maintain control of the aircraft as it yawed and rolled before impacting the ground 643 feet short of the runway threshold. Both crew members were killed, while all four passengers survived with minor injuries.

Human Factors (Maintenance)

A Boeing 707 cargo flight crashed into a ridge during an ILS approach to Kansas City International Airport after the captain intentionally descended below the decision height. Despite two low-altitude warnings from air traffic control, the crew failed to arrest the descent until seconds before impact. The investigation revealed that the aircraft was significantly below the glideslope and that the Ground Proximity Warning System (GPWS) failed to activate for unknown reasons. All four people on board, consisting of three crew members and one authorized passenger, were killed.

Pilot Error

Northwest Airlink Flight 2268 crashed during a visual approach to Detroit Metropolitan Wayne County Airport after the captain intentionally used the propeller 'beta mode' to rapidly descend and decelerate. This maneuver, performed at low altitude and low airspeed, resulted in an asymmetric power condition and a violent loss of control. The aircraft banked steeply, struck the ramp area, collided with a catering truck, and burst into flames. Nine of the 19 occupants were killed, primarily due to smoke inhalation and burns exacerbated by the lack of fire-retardant seat cushions.

Pilot Error

Aeroflot Flight 505 crashed seconds after takeoff from Tashkent Airport after encountering wake turbulence generated by a heavy Ilyushin Il-76. The Yak-40, which departed only 66 to 75 seconds after the preceding aircraft, experienced a rapid, uncontrollable right roll at low altitude. The investigation highlighted inadequate separation standards at Tashkent Airport, which permitted one-minute intervals regardless of aircraft weight class, and crew haste that led to procedural violations.

Other

A SkyWest Airlines Metro II collided mid-air with a private Mooney M20C over a residential area in Kearns, Utah, while on final approach to Salt Lake City. The collision occurred after the Mooney instructor pilot entered the Salt Lake City Airport Radar Service Area (ARSA) without clearance. The air traffic controller, focused on separating IFR traffic, failed to detect the Mooney's primary radar target and did not issue a traffic advisory to the SkyWest crew. All eight people aboard the Metro II and both occupants of the Mooney were killed.

Human Factors (Operational) · Multi-aircraft

Aeroflot Flight 892 crashed into a forest during a landing approach to Berlin-Schönefeld Airport after the crew misinterpreted a radio message regarding a closed runway. Due to poor English proficiency, the radio operator believed the flight was cleared for runway 25R, which was actually closed for renovation. The crew's subsequent manual maneuvers to realign with the correct runway, 25L, resulted in a high rate of descent and a stall without sufficient engine power to recover.

Human Factors (Operational)

A Boeing Vertol 234LR Chinook crashed into the North Sea approximately 2.5 miles east of Sumburgh Airport following a catastrophic failure of the forward transmission. The failure caused a loss of rotor synchronization, leading the twin rotor systems to collide and the aircraft to break up in mid-air. Of the 47 people on board, only the captain and one passenger survived. The accident remains the deadliest civilian helicopter crash in European history.

Mechanical Failure

A Tupolev Tu-134A crashed during a scheduled stopover at Kurumoch Airport after the captain attempted to land the aircraft blindly to win a bet. The flight, which originated in Sverdlovsk and was bound for Grozny, ended in disaster when the captain curtained off the cockpit windows to perform an instrument-only approach without visual contact with the ground. The aircraft touched down with excessive force, causing the left wing to collapse and the fuselage to roll around its longitudinal axis, coming to rest upside down 214 meters from the point of touchdown.

Pilot Error

A Mozambican government Tupolev Tu-134 carrying President Samora Machel crashed into a hillside in the Lebombo Mountains of South Africa after the crew inadvertently followed a 37 degree turn away from their intended destination. The investigation determined that the crew likely tuned their navigation equipment to the wrong VOR frequency, mistaking the Matsapa beacon for the Maputo beacon. Despite a Ground Proximity Warning System (GPWS) alert sounding for 32 seconds, the crew failed to take corrective action, continuing their descent in darkness and cloud until impact.

Human Factors (CRM)

Pan Am Flight 73 was hijacked on the ground at Karachi by four armed members of the Abu Nidal Organization. Disguised as airport security, the militants seized the aircraft during passenger boarding. The flight deck crew successfully escaped through a cockpit hatch, grounding the aircraft. After a 16-hour standoff, the onboard power failed and the hijackers opened fire on the passengers and detonated grenades. The massacre resulted in 21 deaths, though the quick actions of the cabin crew in hiding passports and opening emergency exits saved hundreds of lives.

Security / Sabotage

Aeroméxico Flight 498, a DC-9, was on approach to Los Angeles International Airport when it collided mid-air with a private Piper PA-28 Archer II over Cerritos. The Piper had inadvertently entered the Los Angeles Terminal Control Area (TCA) without clearance and was not equipped with a Mode C transponder. The collision sheared off the DC-9's horizontal stabilizer, causing it to plunge into a residential neighborhood. All 67 people on both aircraft and 15 people on the ground were killed.

Human Factors (Operational) · Multi-aircraft

A Sudan Airways Fokker F-27 was shot down approximately 10 kilometers from Malakal Airport by Sudan People's Liberation Army (SPLA) militants using a surface-to-air missile. All 60 people on board were killed in the crash.

Military Action

LIAT Flight 319 disappeared on August 3, 1986, while attempting to land at E. T. Joshua Airport during a severe rainstorm. The aircraft, a de Havilland Canada DHC-6 Twin Otter, encountered poor visibility and mountainous terrain before presumably crashing into the Caribbean Sea. Despite an extensive international search effort involving the coast guards of several nations, no wreckage or bodies were ever recovered. The government of Saint Vincent and the Grenadines declared all 13 people on board dead six days after the disappearance.

Weather

Aeroflot Flight 2306 crashed during an emergency landing in a forest after an intense fire broke out in the rear cargo compartment. The crew initiated an emergency descent from cruising altitude through thick clouds and rain, but the fire's rapid spread and smoke in the cabin forced a premature landing in wooded terrain near Kopsa.

In-flight Fire

On June 18, 1986, a Grand Canyon Airlines de Havilland DHC-6 Twin Otter and a Helitech Bell 206B helicopter collided in mid-air over the Grand Canyon, killing all 25 people on both aircraft. The collision occurred at approximately 6,500 feet near the Tonto Plateau and Mencius Temple in visual meteorological conditions. The helicopter's main rotor struck the Twin Otter's nose gear and tail section, causing the tail to separate and both aircraft to plummet into the canyon. The NTSB determined the primary cause was the failure of both flightcrews to see and avoid each other, exacerbated by a lack of standardized routes and the concentration of air traffic over specific scenic points.

Human Factors (Operational) · Multi-aircraft

Air Lanka Flight 512 was destroyed by a time bomb while boarding at Bandaranaike International Airport, killing 21 people. The aircraft, a Lockheed L-1011 TriStar, had arrived from London via Zurich and Dubai and was preparing for its final leg to the Maldives. The explosion, which occurred at 09:10 local time, ripped the fuselage in two and scattered debris across the tarmac. Investigators determined the bomb was hidden in the aircraft's 'Fly Away Kit' or possibly within cargo. The device was reportedly timed to detonate mid-flight, but a delay caused by minor damage during baggage loading meant the aircraft was still on the ground when the blast occurred, likely preventing a much higher death toll.

Security / Sabotage

A catastrophic mid-air bombing was averted at London Heathrow Airport when El Al security discovered 1.5 kilograms of Semtex explosives hidden in the luggage of an unsuspecting pregnant passenger. The passenger, Anne-Marie Murphy, had been duped by her fiancé, Nezar Hindawi, into carrying the device, which was set to detonate while the aircraft was at cruising altitude over Austria. Murphy was six months pregnant at the time. The plot was linked to Syrian intelligence, leading to a major diplomatic crisis and the severance of UK-Syria relations.

Security / Sabotage

On April 5, 1986, an Eagle Air Piper PA-23-250 Aztec E crashed into the northern slopes of the Ljósufjöll mountain range in Iceland during a charter flight. The investigation by the Air Accident Committee and the Civil Aviation Administration concluded that the aircraft encountered a powerful downdraft, causing it to impact terrain at an altitude of approximately 700 meters. Five of the seven occupants were killed, including one survivor who died during the rescue operation while being transported down the mountain. The investigation highlighted a lack of up-to-date weather information available to the pilot as a significant contributing factor.

Weather

Mexicana Flight 940 suffered an in-flight breakup and crashed into a mountain after a tire explosion in the wheel well triggered a massive fire. The explosion was caused by the maintenance team's decision to fill a tire with compressed air instead of nitrogen, which, combined with overheated brakes, led to a chemical explosion.

Human Factors (Maintenance)

An Aeroflot Ilyushin Il-14M crashed into the Philippi Glacier during a ferry flight across Antarctica after encountering unforecast severe icing and hurricane-force headwinds. The adverse weather forced the crew to descend to 1,500 meters, where they encountered a jet stream that significantly reduced their ground speed and increased fuel consumption. Facing a critical fuel shortage and near-zero visibility due to whiteout conditions, the crew attempted an emergency landing on the glacier but collided with the surface, killing all six people on board.

Weather

The Space Shuttle Challenger disintegrated 73 seconds into its flight after a structural failure of the right Solid Rocket Booster (SRB). The failure was caused by the inability of rubber O-rings to seal a joint in the booster due to record-low temperatures at the time of launch. This allowed pressurized hot gases to escape, eventually burning through the external fuel tank and causing a catastrophic structural breakup of the entire vehicle. All seven crew members, including schoolteacher Christa McAuliffe, were killed when the crew cabin impacted the Atlantic Ocean.

Human Factors (Operational)

VASP Flight 210 crashed after the flight crew inadvertently attempted to take off from a taxiway instead of the designated runway during conditions of dense fog. Upon realizing the error at high speed, the crew initiated a rejected takeoff, but the aircraft overran the taxiway and struck a dyke. The impact broke off the forward section of the fuselage and crushed the cockpit, resulting in the death of one passenger.

Pilot Error

An Aerovías Sud Aviation Caravelle crashed into a hill during its second approach to Santa Elena Airport, killing all 94 people on board. The flight was carrying tourists from Guatemala City to the Maya ruins at Tikal. After overshooting the runway on the first attempt due to excessive altitude, the aircraft impacted terrain approximately 8 kilometers from the airport during the subsequent approach. While the exact cause remains undetermined, investigators suspect low cloud cover and poor visibility led to pilot disorientation and controlled flight into terrain.

Controlled Flight Into Terrain (CFIT)