Mayday

March 27, 1977 – At 2:00 in the afternoon a thick fog rolled into the usually quiet Los Rodeos Airport in Tenerife, in the Canary Islands. On the runway sat two fully loaded jumbo airliners, blanketed in fog. A bomb explosion at a nearby airport had re-directed air traffic to the undermanned airfield at Tenerife. Within three hours, a KLM 747 slams into a taxiing PAM 747, killing 583 people. The planes never left the ground.

This special looked at how people survive aviation accidents, in part with demonstrations at the Czech Airlines Training Centre. It provided case studies on the following flight: - Asiana Airlines Flight 214 - Air France Flight 358 - Reeve Aleutian Airways Flight 8 - Air Canada Flight 797 - US Airways Flight 1549

It's May Day and the members of a small community go about their business as they wait for this year's parade to begin. But when the May Queen - local teenager Hattie Sutton - fails to appear, several townsfolk are sent spinning by the suspicion that someone among them has taken her.

The day after Hattie's disappearance the locals unite to look for her, with Steve leading the search in the hope of winning favour with the girl's family, and also to conceal his worries about his brother. Routine questioning by the police gives Linus food for thought about his father, while Gail grows increasingly suspicious of husband Malcolm, so her son James goes rooting through his office for clues. Ex-cop Fiona ignores husband Alan's protests and embarks on her own unofficial investigation.

A devastating discovery throws the spotlight on a key suspect and forces Gail to face unwelcome facts about husband Malcolm. Caitlin and Linus's relationship deepens when she tells him a shameful secret about the day her sister went missing, while Fiona grows suspicious of Everett.

On June 10, 1990, the cockpit window blows out on British Airways Flight 5390, partially ejecting and injuring the captain through the hole. A member of the cabin crew clings to his legs as the co-pilot completes an emergency landing without any fatality. The captain is found to be still alive after being outside the cockpit for 21 minutes.

On 21 August 1995, Atlantic Southeast Airlines Flight 529 is climbing to its cruising altitude, when a blade on the left-side propeller comes off. The imbalance of the rotating propeller causes the engine to partly tear itself from its mounting, creating excessive drag. The aircraft rapidly loses altitude and crashes, killing nine people.

On 24 December 1994, Air France Flight 8969 is hijacked on the ground at Algiers Airport. The four terrorists demand the aircraft be allowed to depart for Paris so they can blow up the aircraft over the Eiffel Tower, but the Algerian Army blocks the aircraft with vehicles and refuse to allow it to take off. Unable to carry out their plans, the terrorists kill three passengers over the next two days. The aircraft is then cleared to take off, but the crew diverts to Marseille Provence Airport. The hostage rescue team of the French Gendarmerie storms the aircraft, and after a gun battle in the cabin, the four hijackers are killed and everyone else is evacuated. It is described as "one of the most successful anti-terrorist operations in history."

On 28 April 1988, Aloha Airlines Flight 243 is en route from Hilo to Honolulu in Hawaii, when the upper half of the front fuselage is torn off, blowing out a flight attendant. The aircraft subsequently lands safely at Kahului, Maui. The fuselage failed from corrosion damage and metal fatigue.

On 22 November 2003, a European Air Transport Airbus A300 operating on behalf of DHL is climbing away from Baghdad International Airport, when the left wing explodes, causing a massive loss of hydraulic fluid which immobilizes the flight control surfaces. The crew flies the aircraft by changing the engines' thrust for control and make a safe landing 16 minutes later. A surface-to-air missile had been launched at the aircraft.

On 12 August 1985, the rear pressure bulkhead bursts on a Boeing 747SR operating as Japan Airlines Flight 123, destroying the vertical stabilizer and severing all four of the aircraft's hydraulic systems. The crew manages to keep the aircraft flying for 32 minutes until it clips Mount Osutaka and crashes, killing all but four people out of the 524 passengers and crew aboard.

On 23 June 1985, Air India Flight 182 explodes in mid-air and disintegrates over the coast of Ireland, killing all 329 passengers and crew members on board. Investigators discovered that a bomb from Sikh militant group Babbar Khalsa caused the explosion.

On 12 June 1972, a McDonnell Douglas DC-10, just a few months old, operating as American Airlines Flight 96 from Detroit, Michigan, to Buffalo, New York, suffers an explosive decompression after a cargo door in the lower rear fuselage bursts open. The crew makes an emergency landing at Detroit without any loss of life. Two years later, on 3 March 1974, Turkish Airlines Flight 981 suffers a similar sequence of events during a flight from Paris to London. This time, the DC-10's hydraulic systems are damaged enough that the crew loses control, and the aircraft crashes in a forest near Senlis outside Paris, killing all 346 on board. At the time, it was the worst aviation disaster in history. A design fault with the cargo door mechanism was not rectified after the first accident, and the second DC-10's door opened during flight, causing the crash.

On 4 April 1977, Southern Airways Flight 242, a flight from Huntsville, Alabama, to Atlanta, Georgia, flies through a severe thunderstorm and is hit by large hailstones. Both engines of the DC-9-31 fail, and the aircraft makes an emergency landing on a highway in New Hope, Paulding County, Georgia. However, it collides with a gas station and explodes, killing 62 people on board and eight on the ground. Two more die later of injuries sustained during the crash.

BOAC Flight 781 ,South African Airways Flight 201, Aloha Airlines Flight 243, British Airways Flight 5390, United Airlines Flight 811, Helios Airways Flight 522. This special looks at accidents and incidents where pressurization failure or explosive decompression played a part. Episodes re-visited: Hanging by a Thread, Blow Out, Unlocking Disaster, Ghost Plane.

Alaska Airlines Flight 261, Japan Airlines Flight 123, Atlantic Southeast Airlines Flight 529, Swissair Flight 111, United Airlines Flight 585, USAir Flight 427, Eastwind Airlines Flight 517. This special looks at accidents caused by seemingly minor defects or errors. Episodes re-visited: Cutting Corners, Out of Control, A Wounded Bird, Fire on Board, Hidden Danger.

This special looked at accidents and incidents where problems with the interface between crew members and on-board avionics were a factor and the causes of those problems. Episodes re-visited: Flying Blind, Panic Over the Pacific, Kid in the Cockpit, Vertigo, Flying on Empty.

Shortly after leaving London Heathrow airport in December 1988, Pan Am flight 103 exploded above Lockerbie , Scotland killing 270 people. Investigators soon discovered that a bomb in the forward cargo compartment had taken down the plane.

Find out what went wrong when a Kazakhstan Airlines jet and a Saudi Airways plane collided in the worst mid-air crash in aviation history, killing 349 people on November 12, 1996.

Rescuers have to look to the past to solve the riddle of Flight 611, a China Airlines 747 that disappeared 20 minutes after taking off.

1956 Grand Canyon mid-air collision, 1986 Cerritos mid-air collision, Avianca Flight 52, Gol Transportes Aéreos Flight 1907, Überlingen mid-air collision. This special looked at the role of air traffic controllers in the airline industry, and took a look at the Next Generation Air Transportation System, a new technology meant to eliminate mid-air collisions by reducing overall dependence on radar and radio, as well as delegating some of the air traffic controllers' tasks to computers on board each plane.

Southern Airways Flight 242, Delta Air Lines Flight 191, American Airlines Flight 1420, British Airways Flight 9. This special looked at the role of bad weather in disasters and examines the US Aviation Weather Center in Kansas City, Missouri, to see how information on weather is transmitted to pilots in the sky.

On 16 August 1987, Northwest Airlines Flight 255 crashed shortly after take off, killing 156 people. The crew did not follow the taxi checklist prior to take off.

On 22 August 1985, an engine of British Airtours Flight 28M fails during takeoff, puncturing a hole in the wing fuel tank and starting a fire. The crew successfully abandons the takeoff and stops the aircraft on the runway, but the fire spreads to the cabin. 55 people die before they can evacuate, mainly due to inhaling toxic smoke. The investigation found that fatigue of a part in the engine caused it to fail.

On 26 June 1988, Air France Flight 296 fails to climb and crashes into trees after performing a flyby during an airshow at Mulhouse-Habsheim Airport, killing three people. The cause of this crash remains in dispute.

On 16 August 1987, Northwest Airlines Flight 255 stalls as it lifts off from Detroit Metropolitan Airport and crashes just beyond the runway, killing 154 of the 155 people on board and two people on the ground. The investigation showed that the pilots failed to configure the aircraft's flaps and slats for takeoff.

On 25 February 2009, Turkish Airlines Flight 1951 is on approach to land at Schiphol in Amsterdam, when it stalls and crashes 1.5 kilometres from the runway. Nine people, including the three cockpit crew members, are killed. A faulty radar altimeter caused the aircraft's flight control computer to automatically reduce engine thrust prematurely, and the flight crew failed to notice the resulting drop in airspeed until it was too late.

On 17 January 2008, British Airways Flight 38 is on its final approach to land, when the autothrottles command increased thrust from the engines. The engines do not respond to the control inputs and remain at idle. The captain raises one notch of flaps to give the aircraft a few more feet of flying distance; it crash-lands just short of the runway without causing any fatalities. The fuel flow to both engines was restricted because of ice crystals causing a blockage in the fuel-oil heat exchangers.

On 24 November 2001, Crossair Flight 3597 crashes into a hill during final approach to Zurich, killing 24 of the 33 passengers and crew members on board. The cause of the crash was the pilot descending the aircraft below the minimum safe altitude for the approach.

On 17 July 2007, TAM Airlines Flight 3054 careens off runway 35L at Brazil's Congonhas Airport, crashes at high speed into a warehouse adjacent to a filling station and explodes. A total of 199 people on board the aircraft and on the ground are killed. Incorrect engine throttle settings upon landing caused one engine to reverse thrust while the other increased power, resulting in the loss of control.

On 16 August 2005, West Caribbean Airways Flight 708 stalls while cruising and crashes in rural Venezuela during a severe thunderstorm. Investigations revealed there were no faults with the engines. Pilot error led to the stall which was misinterpreted by the crew members, who took no recovery action until it was too late.

On 12 December 1985, Arrow Air Flight 1285, carrying troops of the US Army's 101st Airborne Division, stalls and crashes just seconds after taking off from Gander International Airport in Canada, killing all 256 people on board. The cause of the crash remains disputed.

On 8 June 1983, Reeve Aleutian Airways Flight 8's propeller separates from the aircraft over Cold Bay, Alaska, causing an explosive decompression and loss of control. The pilots manage to land the aircraft safely at Anchorage, Alaska. The propeller fell into the sea, and the cause of the separation is undetermined.

On 11 May 1996, 10 minutes after takeoff, ValuJet Flight 592 crashes into the Florida Everglades, killing all 110 people on board. The cause was an in-flight fire which was started by the accidental triggering of a chemical oxygen generator improperly shipped as cargo.

On 31 October 2000, Singapore Airlines Flight 006 collides with construction equipment at Chiang Kai-shek International Airport in Taipei while attempting to take off on the wrong runway in a typhoon. 83 of the 179 passengers and crew members perish. Investigators concluded that pilot error was the cause of the crash.

On 18 June 1972, British European Airways Flight 548 stalls and crashes in a field near Staines-upon-Thames shortly after takeoff from London Heathrow Airport, killing all 118 people on board. The crash was attributed to the pilot retracting the aircraft's droops at too low an airspeed and failing to recognise the stall warnings.

On 13 January 1982, Air Florida Flight 90 takes off from a snowy runway in Washington D.C, stalls at 300 feet altitude, strikes a road bridge and crashes into the Potomac River, killing a total of 78 people. The causes were ice on the wings and the pilots' failure to turn on the engines' anti-freeze system, causing erroneous engine instrument readings.

On 6 June 1971, Hughes Airwest Flight 706 collides with a United States Marine Corps (USMC) jet fighter above the San Gabriel Mountains. A total of 50 people from the two aircraft are killed, with the backseat crewman of the USMC aircraft the only survivor.

On 8 January 1989, British Midland Flight 92 crashes onto the embankment of the M1 motorway near Kegworth, Leicestershire, UK. The aircraft was attempting to conduct an emergency landing at East Midlands Airport. Of the 126 people aboard, 47 died and 74, including seven members of the flight crew, sustained serious injuries.

On 26 May 1991, the thrust reverser of the first engine of Lauda Air Flight 004 accidentally deploys in mid-flight causing the plane to spiral out of control and disintegrate about 100 miles northwest of Bangkok. All of the 223 passengers and crew die in the crash.

On 25 July 2000, a Concorde operating as Air France Flight 4590 en route to New York City, USA, stalls and crashes into a hotel in Gonesse shorty after take off from Charles de Gaulle International Airport. The plane had struck foreign debris from a Continental Airlines DC-10 causing the plane's fuel tanks to ignite and the engines to fail. All of the 109 passengers and crew die in the incident and 4 on the ground.

On 19 November 1996, United Express Flight 5925, operating for Great Lakes Airlines, lands at Quincy Regional Airport and collides with a light aircraft taking off from an intersecting runway. All 14 occupants on both aircraft were killed in a subsequent fire.

On 7 March 2007, while landing at Yogyakarta at the end of a routine domestic flight from Jakarta, Garuda Indonesia Flight 200 hits the ground so hard that it bounces violently before running off the end of the runway, killing 21 of the 140 people on board.

On 3 September 2010, the pilots of UPS Airlines Flight 6 report a fire and declare an emergency shortly after taking off from Dubai International Airport. The crew tries to land back at the airport, but are unsuccessful. The aircraft flies over the airport and crashes into an unpopulated area nearby. Both of the pilots die.

On 25 October 1999, a chartered Learjet 35 operated by Sunjet Aviation, carrying golfer Payne Stewart and his agents, runs out of fuel and crashes into a field in South Dakota after flying off course, killing all 6 occupants on board.

On 11 September 2001, during the September 11 attacks, American Airlines Flight 77 flies off course and crashes into the Pentagon in Arlington County, Virginia, after being hijacked. All the 64 people on board the aircraft, including the 5 hijackers, are killed, along with 125 people in the building.

On 27 March 1977, the deadliest-ever aviation accident occurs at Los Rodeos Airport (now known as Tenerife-North Airport) in the Canary Islands. KLM Flight 4805 and Pan Am Flight 1736 collide on the runway in thick fog during the KLM aircraft's attempt to take off, killing 583 people.

After a routine one-hour flight from Minneapolis, Northwest Airlink Flight 5719 crashes in northern Minnesota, killing everyone on board. Investigators face intense pressure to find the cause. The cockpit voice recorder raises disturbing questions about an inexperienced pilot. But as investigators dig deeper, they uncover a troubling pattern of abuse that led to a breakdown in human cooperation.

When a commuter flight to Detroit ends in a harrowing death spiral, it's up to investigators to determine the cause and prevent it from ever happening again. They sort through the shattered wreckage in search of clues, and a close analysis of the flight data eventually leads them to a stunning realization-What doomed Flight 3272 is a danger the industry has known about for years.

Headed for South Korea's Gimhae International Airport, a Boeing 767 crashes into a hillside several miles from the runway. As the nation mourns its worst-ever air disaster, investigators face puzzling evidence: The surviving captain of Air China Flight 129 claims that everything on board was normal, but air traffic controllers testify that the crew's radio communications were anything but.

On 16 February 2000, Emery Worldwide Flight 17 crashes into an automobile salvage yard shortly after taking off from Sacramento Mather Airport on a flight to Dayton, Ohio, killing all 3 crew members on board.

On 23 July 2014, TransAsia Airways Flight 222 crashes into buildings while attempting to land at Magong Airport during inclement weather and low visibility, killing 48 of the 58 people on board.

On 31 August 1988, Delta Air Lines Flight 1141 crashes beyond the runway while taking off from Dallas/Fort Worth International Airport, killing 14 of the 108 people on board.

En route to Hong Kong, Cathay Pacific Flight 780 is high over the South China Sea when both of the plane's engines fail, turning the Airbus A-330 into a 200-ton glider; the captain takes over manual control and manages to power up one engine.

Competing in a highly-modified P-51 Mustang at the Reno Air Races, Jimmy Leeward is determined to set a new speed record, but half way through the race, his plane spirals out of control and crashes onto the tarmac in front of the stands.

On 18 August 1993, American International Airways Flight 808 stalls, rolls to the right and crashes into the ground 1 quarter of a mile short of the runway while manoeuvring onto final approach to Leeward Point Airfield in Guantánamo Bay, Cuba. All 3 crew members on board survive.