Investigators try to find the cause of two similar air crashes that happened nearly 12 years apart.

A journey over America's western landscape featuring "wild" history and stories of colorful characters.

Tour the Wisconsin State Capitol and Milwaukee City Hall, once the tallest building in the world.

A cross-country flight over icy landscapes in Alaska's Denali, vast wetlands in Florida's Everglades, and over 100 million acres of badlands, deserts, and mountains.

The Wright Brothers gave the state its slogan "First in Flight"; civil rights leaders in Greensboro; NASCAR.

A cross-country flight across America reveals the nation's most iconic industries, the people behind them and the stories of how they came to be.

A flight over North and South Dakota reveals the shared history and the vast differences of these sibling states.

An aerial view of New Mexico; exploring its landscapes and landmarks, while revealing its many legends and secrets.

An aerial journey across Montana celebrates the Treasure State's adventure-filled history while showcasing its sprawling farms and rugged terrain.

A small state has a whole lot of history.

An aerial tour over Kentucky reveals a state of racetracks, country music highways, bourbon distilleries and a history of feuds and traditions.

Beauty of the Empire State; Central Park; tallest skyscrapers; mighty rivers; 17th century explorer Henry Hudson.

The Empire State of the South; ancient Moundbuilders to the Cherokee Indians.

An aerial tour of Florida's peninsula and panhandle celebrates the state's sights, unique history and lavish lifestyles.

The Lone Star's rugged canyons, historic ranches and modern cities.

A sky-high tour over Ireland reveals its towering cliffs, rolling hills, ancient ruins, and rich history.

Eoin starts his island voyage on Rathlin, then heads west for Malin Head and Inishtrahull meeting Basking Sharks and Dolphins en route, before going south to Achill Island and the story of the Irish Stoat.

Eoin visits a wondrous native woodland on Clare Island and as he sails his Galway Hooker through Connemara's turquoise waters he finds deserted islands home to skylarks and on the Aran Islands, Ireland's only native reptile.

Eoin is back in his Galway Hooker and sailing to the islands off County Kerry before heading south into his home waters off Cork and the end of his journey at Fastnet Rock.

A sky-high tour over Ireland reveals its towering cliffs, rolling hills, ancient ruins, and rich history.

In 1991, a Boeing 737 operating as United Airlines Flight 585 suddenly rolls into a dive and crashes within eight seconds, killing all 25 people on board.

When Germanwings Flight 9525 crashes in the French Alps, investigators discover shocking truths about the co-pilot's mental health.

On 27 November 2008, an aircraft on a post-maintenance test flight operating as XL Airways Germany Flight 888T stalls and crashes into the Mediterranean Sea off the coast of France, killing all seven people on board.

In 1999, EgyptAir Flight 990 crashes into the Atlantic Ocean while flying from New York City to Cairo, killing all 217 people on board; the cause of the crash is disputed.

Northwest Airlines Flight 255 crashes shortly after take-off in Detroit in 1987; a fatal preflight error caused the second-deadliest plane crash in the U.S. history.

Oregon's Cascade Mountains; Columbia River waterway.

A high-flying tour of Pennsylvania.

A sky-high tour over Minnesota reveals the state's ancient, glacial landscapes and tells the stories of the pioneers who helped build the nation.

A day-long aerial tour of the New England city of Boston in Massachusetts; where Americans first rebelled against Britain by dumping chests of tea into the harbor and where rock band Aerosmith first made it big.

An aerial tour over the places made famous by America's most influential men and women.

A view of Idaho from the air reveals a state filled with agricultural fields, lands untouched by human hands, and riches in the form of gold, ski resorts and spuds.

Louisiana's wetlands and underwater oil fields.

A coast-to-coast aerial journey across America, visiting locations made famous by movies such as Rocky, Citizen Kane, Forrest Gump and others.

Explore the forests, shores, bridges and tunnels of one of American's 13 original states, New Jersey.

Home to some of America's highest mountains; Mount St. Helens.

Natural wonders, manmade marvels, hidden treasures and places of inspiration.

Viewing Oklahoma from the sky reveals a state filled with tall-grass prairies and man-made wonders; the Dust Bowl, Tornado Alley and buffalo-filled plains; it also shows a history steeped in tragedy and devastation.

This 50-year-old ocean liner offers off-season Baltic tours, battling unpredictable weather to deliver one-of-a-kind experiences.

One of Holland America Line's largest cruisers makes its debut in the Caribbean, highlighted by a visit to an exclusive private island resort.

Experience romance on a mega cruiser that pampers its guests with the best of Italian design and American convenience.

The world's latest, most-advanced expedition cruise ship Roald Amundsen whisks passengers on an adventurous voyage to Antarctica.

Costa Diadema's seven-day cruise around the Mediterranean offers Italian delights to its passengers and challenges to its captain and crew.

Japan's largest cruise ship brings East and West together on a cruise featuring cherry.

Three crews experience the same devastating event; with radically different outcomes when an engine falls off their commercial airplane.

How routine flights can turn catastrophic in mere seconds when the pilots become momentarily distracted; three flights end in a disaster.

A false warning in the cockpit triggers a series of pilot errors, sending a commuter plane crashing by the runway of an Amsterdam airport.

When a turboprop stalls and crashes into a North Carolina forest, investigators resort to a risky test flight-and uncover an industry-wide safety problem.

A plane with members of the Manchester United football team crashes while heading home from Yugoslavia, killing 23 aboard.

On 28 December 1978, the crew of United Airlines Flight 173 are preoccupied with a landing gear problem as the aircraft circles in a holding pattern in the vicinity of Portland, Oregon; it runs out of fuel and crashes in a sparsely populated area.

Relying on instinct rather than the rule book, three flights end in tragedy when crews improvise on their final approach.

A passenger ferry sinks after crashing into rocks off the coast of a Greek island, killing 82; it leads to a shocking investigation.

Near the end of its flight, Continental Express Flight 2574 suffers wing damage and goes into a dive falling out of the sky.

When an American cargo plane crashes moments after takeoff, investigators uncover a systemic problem with aircraft maintenance.

A Boeing 767 crashes miles from a South Korean runway; the investigation leads to contradicting stories between the surviving pilot and air traffic control.

Almost immediately after taking off from Madrid International Airport, Spanair Flight 5022 banked to the right, slammed into a creek and burst into flames.

Martinair 495 crashes on a rain-soaked runway in Portugal, showing how weather can doom a landing; American 1572 hits a storm and loses both engines amid a tower shutdown; crosswinds challenge an Air France crew already halfway down the runway.

An examination of three crashes that occurred when pilots battled against their sophisticated aircraft.

A private jet attempting to compensate for a late approach to the airport, slams into an Ohio apartment building just a couple of miles from the runway.

A high-stakes demonstration flight in Indonesia turns catastrophic when a Russian jet slams into a mountain.

A complex recovery operation is launched to find out if a 747 which disappeared into the Indian Ocean was carrying illegal weapons.

Pilots are prepared to cope with a range of emergency scenarios, but failures in training can lead to catastrophe in the cockpit.

A behind-the-scenes look at how the U.S. Navy's radically redesigned Ford-class aircraft carrier was built.

The crew of the USS George H.W. Bush aircraft carrier prepares to give air support to ground troops battling ISIS in Iraq.

A behind-the-scenes look at the operations of a U.S. Navy aircraft carrier; the dedicated sailors who keep it running at maximum efficiency.

From the USS Langley to the high-tech floating airports; the history of the aircraft carrier and how its air wing operates.

First-person accounts and rare color footage detail the final 100 days of World War II in Europe.

The war was over in Europe but in the Pacific one of the bloodiest battles was being fought; a look at the bloody and history-altering final 100 days of the Pacific War, shown through rare war footage and first-person accounts.

After taking off from Taiwan, a China Airlines 747 suddenly disappears from radar and crashes, killing 225 people.

A 747's cargo door opens at 23,000 feet, causing an explosive decompression that ejects nine passengers from the plane.

When Air Transat Flight 236 runs out of fuel over the Atlantic, its pilots desperately try to keep their Airbus A330 in the air until they reach land.

The U.S. Aviation Weather Center in Kansas City, Miss.; the importance of accurate weather forecasting to the aviation industry.

On 10 January 2000, Crossair Flight 498 crashes just two minutes after takeoff from Zürich, Switzerland, while heading for Dresden, Germany, killing all 10 people on board.

A team of experts investigates in detail the carnage of a cargo plane; an anonymous tip helps explain why a cargo plane crashed just moments after taking off from Miami.

Sailing from Chile and Peru to Ecuador and Costa Rica, the luxurious Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers.

Facing Australia's fierce heat, Celebrity Solstice provides guests with views of waterfalls, jumping crocodiles, koalas and the Great Barrier Reef.

Visit Stonehenge, kiss the Blarney Stone and hunt for Nessie on a magical tour of the British Isles, aboard Marina.

Follow mega cruiser Regal Princess as she whisks guests to Germany, Russia, and Scandinavia in style.

The Carnival Vista is the new flagship for one of the world's largest cruise lines, carrying more than 4,600 passengers and boasting 10 restaurants, nearly 2,000 staterooms and a crew of 1,400.

A crew of 2,200 on the Symphony of the Seas tends to more than 5,500 passengers as they sail to ports in Spain, France and Italy.

VIA Rail's passenger train travels between Vancouver and Toronto on four-day, four-night journey that cater to everyone.

Travel aboard the colourful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers.

Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country.

The Norwegian Epic is a billion-dollar showboat with more than 20 bars and restaurants and pool decks that transform into nightclubs.

Le Boreal is built to take on the demanding waters of the Southern Ocean.

MSC's biggest cruise ship navigates tight Mediterranean harbors, offering a brand new water park, classic excursions and Cirque du Soleil at Sea.

Royal Clipper is the largest sailing cruise ship in the world, celebrating tall ships of the 19th century while offering modern-day service for its guests.

Set a course for breathtaking sights on Koningsdam's 15-day voyage from Amsterdam to the northern tip of Norway.

The Stargazer launches Pegasus rockets, delivering specialized weather satellites designed to detect the magnitude and intensity of hurricanes.

Two magnificent journeys with New Zealand's KiwiRail: the TranzAlpine, a five-hour journey across 223 kilometers, and Northern Explorer, an 11-hour trip through five unique regions of the North Island.

Take a river tour through some of Europe's greatest cities--Budapest, Vienna, and Amsterdam--on Viking Longship Gefjon.

Azamara Journey travels the rivers of Southeast Asia, delivering passengers to exotic cities and hidden treasures that larger cruise ships cannot reach.

A trip aboard the luxury tourist train, Transcantábrico Clásico through Northern Spain along a historic 19th century rail line.

Travelling up the coast of New Zealand in style aboard the Coastal Pacific, a train that embodies the nation's spirit of grit and determination; for two years, this ride was shut down due to an earthquake in 2016.

We follow passengers and crew aboard Viking Star during its two-week tour from Barcelona to its home port in Bergen, Norway.

The new Viking Sea cruise ship whisks guests away on a journey across the Arctic Circle and into the heart of Norway.

Take a cruise where the guests choose the ports to visit and the captain and crew work overtime to make it happen.

The only cruise ship designed specifically to navigate the treasures and dangers at the southern tip of South America.

Traveling to New York, Denver and Nice, France to visit Little Island, the Denver Museum of Art and La Tête Carrée; the secrets to how they were built is revealed.

Visiting the Vancouver House, Norway's Under restaurant and the Seattle Central Library to discover how these visionary buildings were created.

A towering bridge in France; upside-down hotel in China; Italy's forest into the sky.

Exploring the engineering and architectural masterpieces like The Copper in Manhattan to Gardens By the Bay in Singapore.

Engineers grapple with an apartment building, ripped apart by a man-made canyon; the Gateway Arch takes shape in St. Louis; an unpromising plot in Copenhagen, Denmark, is transformed by a gleaming new triangular office.

Alien port authority in Belgium; ultrathin skyscraper in Manhattan; hanging museum in Scotland.

A ride on the Panama Canal Railway reveals the track repairs, engine overhauls and dangerous searches involved in keeping vital freight runs rolling.

A crew and its massive air crane helicopter haul millions of pounds of timber while battling the elements and handling emergency repairs.

A ride through Eastern Europe aboard heavy-hauling trains shows the logistical and mechanical challenges of making a multimillion-dollar cargo delivery.

Mike joins the U.S. Marines' Heavy Haulers helicopter squadron and gets inside their battle to keep a fleet of souped-up Sikorsky CH-53E Super Stallion choppers flying as they prepare for intense war games in the desert and mountains.

A new performance center with a tent-like glass-and-steel lobby tests engineers in Kansas City; two twisting apartment towers make heads spin in Ontario.

Exploring the design and engineering stories behind D.C.'s Museum of African American History, the Montreal Tower and the Equinor building in Oslo.

A new Olympic and Paralympic museum tests engineers with its trailblazing accessible design. A dazzling curved glass skyscraper battles gravity in Milan. And a student center built under a noisy railroad.

The engineering secrets behind the world's steepest mountain railway, a remodeled 145-year-old museum and a futuristic condo.

Building an eco-friendly visitor center in the permafrost on Colorado's Pikes Peak tests the team. A museum is constructed in a disused dry dock that's in danger of collapse.

A look at three deadly air disasters that are caused by misunderstandings between pilots and air traffic controllers.

A commuter turboprop crashes onto hilly terrain in New Zealand; the search for answers inevitably leads to the cockpit.

Joining NTSB and military experts as they work together to uncover how a fighter jet could collide with a civilian flight.

Landing at one of the world's most challenging airports, a passenger plane comes in like a fighter jet and crashes, killing 51 of the 71 people aboard.

On Jan. 3, 2004, Flash Airlines Flight 604 banks to the right just after takeoff and crashes into the Red Sea, killing all 148 people on board.

Experts analyze various plane crashes with an aim to figure out how these disasters occurred; they also shed light on how such accidents shaped the aviation industry and improved safety standards.

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined.

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined.

A look at the fate of United Airlines Flight 232 which crashed into Sioux City's runway in 1989; it caused a subsequent explosion that left 111 people dead.

The legendary Battle of Trafalgar in 1805, which pitted Napoleon's French ships against a British armada under the command of Admiral Horatio Nelson.

A portrayal of a crucial September 1950 military operation that helped the UN and ROK gain the upper hand over North Korea in the Korean War.

Examining some of maritime history's most effective lightning strikes; how the French frigate Nivôse set a trap to lure Somali pirates; how the HMS Illustrious captured a well-defended Mediterranean harbor in WWII; a surprise attack on Tokyo in 1942.

A look at how the art of deception was used by naval forces in the first half of the 20th century; in 1939, the German raider Atlantis is equipped with fake funnels, while its sailors dressed as women pushing prams to fool Allied merchant ships.

Revolutionary ship design helped Sir John Hawkins and Sir Francis Drake lead England to defeat the Spanish Armada and become a world power.

A look at Naval warfare's fastest combat ships and how the advantage of speed determined the outcome of some of the great seas battles of the last 150 years.

Exploring the world's top close air support aircraft, which enter battles at a minute's notice.

The history of the KC-135 Stratotanker, the 60-year-old aerial refueler that keeps fighter jets flying.

The North American F-100 Super Saber, also known as the Hun, becomes a supersonic powerhouse after initial difficulties; it was used primarily in the Vietnam War.

The 35-year history of the UH-60 Black Hawk.

A look at how the C-47 evolved from passenger plane to a transport aircraft and flying hospital in WWII and years later as a gunship in Vietnam.

Stories of fighter aircraft and deadly combat, including dogfights with the P-38 Lightning and Messerschmitts over Nazi Germany, told through rarely seen battle footage and first-hand accounts.

The history of the B-1 Lancer reveals how the Cold War bomber evolved to become one of Americas most effective military aircraft.

A countdown of the most influential and impactful military planes of the Cold War, from America's B-2 to the Soviet's MiG-15.

Germany devastated Allied ships in the Atlantic, thanks to the new wolf pack tactic in 1940.

The Nazi campaign to send U-boats across the Atlantic to the U.S. at the beginning of Operation Drumbeat.

U.S. submarine skippers change the course of the WWII after entering the war and taking the fight to Japanese warships.

A 3-day clash between Nazi U-boats and Allied ships in March of 1943 marks a major turning point in World War II.

In June of 1944, American skipper Sam Dealey leads a rescue mission in Borneo.

Submarine skipper Dick O'Kane and the USS Tang sink Japanese ships through 1944, until their reign is threatened.

The inside story of the F-86 Sabre, one of America's first fighter jets, and its epic battles against the Soviet MiG jet during the Korean War and beyond.

A look at the top U.S. military aircraft in America's modern arsenal, including the F-117 Nighthawk stealth fighter, the hybrid V-22 Osprey, and more.

The rapid evolution of drones and how they're changing the future of aviation.

The inside story of the ultimate stealth fighter, the F-22 Raptor, and its predecessors.

A flight over Arizona explores the state's storied past, architectural achievements and landscapes, including America's natural wonder, the Grand Canyon.

An aerial tour over America's Great Plains tracks the prairies, farms, oilfields and wildlife.

Vast cotton fields, Gulf coast beaches; famous Civil Rights marches; NASCAR's most dangerous track; steel factories.

A look at America's landmarks, including a view of bears catching clams in Alaska's rivers; a high-flying tour reveals Alaska's call of the wild spirit that has lured adventurers and dreamers north for centuries.

The world's largest volcanic island; Iceland's landscapes, forged by fire and ice; a tour over Alaska, the residents it attracts and the wildlife that thrives in these unique surroundings.

An aerial tour over America's coastlines explores the visual splendor and rich history of the nation's varied borders.

Zoom above, and below, some of the Golden State's greatest monuments.

When a 737 careens off the runway in Indonesia, investigators uncover a shocking explanation for the crash.

A look at the fatal consequences that can occur when a fire breaks out on a plane; three flights that erupted in flames and the investigations that changed aviation forever.

On July 11, 1991, the crew of Nigeria Airways Flight 2120 unsuccessfully tries to return to the airport after a burst tire creates an in-flight fire which causes 247 Nigerian pilgrims and 14 crew to perish.

When the crash of a commuter plane in Georgia kills a NASA astronaut, a four-term U.S. senator and 21 others, the disaster grabs headlines around the world.

Confused, flying blind and lost in the dark, three crews lose sight of the horizon and fall into the same deadly trap.

Seeing how international investigative teams must overcome differences to solve controversial plane crashes.

Investigating the 2009 crash of Colgan Air Flight 3407; the plane stalls at low altitude and dives into a residential area near Buffalo, N.Y.

Moments after takeoff, a plane sustains electrical failures and crashes in the Florida Everglades, killing 110 people on board.

Investigators struggle to determine why a 757 strayed off course during its final approach to a Colombia airport and crashed into a mountain.

When a British tycoon and his family die in a 2017 Australian seaplane crash, investigators spend over two years searching for the reason behind the tragedy.

A plane carrying Mexico's interior minister crashes into Mexico City's financial district.

Three devastating crashes make front-page news around the globe; the media frenzy puts intense pressure on investigators to uncover the causes.

History's most terrifying air disasters, and the investigations that followed, are revisited and reexamined.

Three flight crews face impossible odds: a Boeing 707 loses engines over the Alps as fire spreads, Air Astana 1388 goes out of control over Portugal, and a bomb on PA 434 severs control cables and blasts a hole in the fuselage.

Within five minutes of takeoff, the Dominican Republic bound Birgenair Flight 301 crashes into the Atlantic Ocean; a series of confusing signals crashes the plane.

The consequences are disastrous when ice forms on an airplane's wings; three planes are brought down by ice, and it's up to investigators to determine how modern aircraft could possibly end up with frozen wings.

A crew argues with no runway in sight; a captain ignores a critical signal; an exhausted pilot picks a catastrophic time to try a new approach.

Soaring above the Cornhusker State's vast farms, towering spires, desolate badlands and gleaming cities.

A sweeping tour over popular destinations in America, including the Badlands, Nantucket, the National Mall and more.

Alpine valleys; Rocky Mountains; Denver's towering skyscrapers.

An aerial journey over Ohio showcases the Buckeye State's autumnal vistas, majestic rivers, epic skyscrapers and battlegrounds.

An amazing aerial tour over Utah reveals a state full of otherworldly landscapes and landmarks, including a history steeped in Mormonism, pioneering tragedy, and Olympic glory.

An aerial exploration of Wyoming reveals the Cowboy State's controversial history while highlighting its breathtaking canyons and volcanic formations.

An aerial tour of Kansas shows a state with varied landscapes, scenic areas and historical conflict sites.

Taking flight for a bird's eye tour of America's rivers, lakes and canals.

Great mountain ranges; coal-based economy.

An aerial tour of Nevada; the state's deserts, ghost towns, neon cities and Hoover Dam; its history built on epic booms and busts.

An aerial tour of the world's first national park showcases Yellowstone's diverse wildlife and rich history.

A flight over Northern California explores ancient forests, timeless coasts, golden cities and the region's pioneering spirit.

A crew of 2,200 on the Symphony of the Seas tends to more than 5,500 passengers as they sail to ports in Spain, France and Italy.

Costa Diadema's seven-day cruise around the Mediterranean offers Italian delights to its passengers and challenges to its captain and crew.

Japan's largest cruise ship brings East and West together on a cruise featuring cherry.

We hop aboard a seven-day cruise to the Canary Islands and Madeira aboard the first large liner to run purely on cleaner-burning liquefied natural gas.

Sailing from Chile and Peru to Ecuador and Costa Rica, the luxurious Seven Seas Explorer cruise ship is full of marble, granite and almost 500 chandeliers.

Norwegian Joy sails amid icebergs in Alaska's Inside Passage, treating guests to glaciers, humpback whales, and the largest zip line in the world.

The Paul Gauguin offers five-star luxury while sailing near the coral reefs, mountainous islands and tropical playgrounds of French Polynesia.

New luxury liner Le Soleal navigates the uncharted waters of Indonesia to give her passengers one-of-a-kind encounters at exotic destinations.

Three flights end in tragedy after miscommunication mix-ups and personality clases; Investigators try to unravel what went wrong.

Investigators face a mystery when Varig Flight 254 disappears without a trace over the jungles of Brazil.

Airplane crashes involving high-profile passengers put added pressure on investigators.

A Boeing 737 leaving Panama City crashes into one of the most remote and treacherous jungles on the planet.

One of the most beautiful states on the Atlantic Coast.

A soaring tour over Washington, D.C. explores the unique landscape, rich history and colorful story of the Nation's Capital.

White sand beaches; Blue Ridge Mountains; Charleston's Rainbow Row.

A cross-country aerial journey over America's most majestic and unique roadside attractions.

An aerial tour over New England captures its beauty while celebrating its rich history; from the Massachusetts harbours, where Americans rebelled against the British, to the autumn colours that blanket the mountains of Vermont.

A high-flying tour over Illinois; the Windy City, prairies and rivers; the state's dramatic history of great fires, crime and historic battles; Chicago's unique skyscrapers and the Lincoln Tomb.

An aerial tour over Dallas and Fort Worth highlights the cities' differences while showcasing their shared contributions to the Texas narrative.

A sky-high tour over Iowa explores its vast stretches of farmland, covered bridges and evolution from wilderness to statehood.

An aerial tour of New York City, spanning the city's five boroughs, capturing man-made and natural wonders; revealing the ways its citizens live, work and play.

Mississippi from above; the state's unique beauty and history; mighty waters, ancient trails and the birth of the Delta Blues.

Ancestral home of the Abenaki Indians; Henry David Thoreau's first book; Mount Monadnock; New Hampshire is seen from the air.

A flight over Indiana explores the Hoosier State's rich agriculture, busy highways and basketball legends; exploring the War Memorial and the Angel Mounds of the southwest.

A bomb explodes on Pan Am Flight 103, causing the aircraft to disintegrate in midair and the wreckage of the aircraft to crash into the Scottish town of Lockerbie, killing all 259 people on board and 11 people on the ground.

Investigators hunt for answers when the pilots of three aircraft skip protocols, ignore their training and crash.

Investigators race to determine the cause of the deadliest single aircraft accident in history: the 1985 crash of Japan Airlines 123, which claimed 520 lives.

The cockpit window of an Airbus A319 explodes; pilots miraculously land the out-of-control plane; investigators must determine how the freshly serviced aircraft was released with a fatal flaw.

Investigators must figure out why the safety systems of a turboprop plane failed to prevent a crash into an Indonesian mountain.

A look at the commercial flights that ended in disaster because of suspected murder-suicide.

When John F. Kennedy Jr.'s Piper Saratoga crashed in 1999, the NTSB faces big pressure to find the wreckage and the cause.

Pilots aboard a hijacked plane are forced to attempt an emergency landing at sea.

When an Illinois turboprop crashes after losing battery power, investigators uncover a series of errors made by the pilots.

Experts investigate the West Air Sweden Flight 294 crash and how the cargo jet nosedived into the Swedish Arctic at speeds nearing 600 mph.

When a Bulgarian airliner is taken over by violent hijackers, the crew and authorities on the ground devise a daring plan to save the airliner.

From pilot error to meltdowns within air traffic control, investigators dig deep into three mid-air collisions that seem to defy logic.

Three last-resort water landings, all handled differently yet each one crucial to improving the outcomes of ditching on open water.

A trio of crashes reveals that when the nuts and bolts of maintenance go unchecked, it can spell catastrophe.

When a commercial airliner goes down in eastern Ukraine in 2014, examiners must conduct an investigation in the middle of a war zone.

A miraculous rescue is launched after a 747 plummets toward the Pacific.

Two identical plane crashes involving the same icy conditions and the same plane design are examined, revealing why neither disaster should have happened.

An MD-82 crash lands in Arkansas during a severe thunderstorm; but investigators believe weather is not the main reason for the accident.

Partnair Flight 394 loses control, breaks up in mid-air and crashes into the North Sea; the aircraft's vertical stabilizer vibrates loose during flight due to excessive wear on substandard bolts, sleeves and pins that have been illegally sold.

With its conductors sound asleep, a freight train fails to stop and collides with an oncoming passenger train, resulting in tragedy.

A 1994 terrorist bombing aboard Philippine Airlines Flight 434 forces its pilots into a daring emergency landing.

When a plane carrying Russian tourists crashes in Egypt, investigators face political tensions and terrorist claims in their search for the truth.

A Korean Airlines passenger plane is shot down by a Soviet fighter jet in 1983; political tensions nearly escalate into war.

Fifteen minutes after taking off from Puerto Vallarta for San Francisco, the pilots of an MD-83 realize something is very wrong with their plane.

An elite group of British paratroopers launch a midnight raid in order to capture Hitler's unusual radar equipment.

American paratroopers are dropped behind German lines on D-Day in order to secure territory behind the beaches.